//DOM-Extension helper
jQuery.webshims.register('dom-extend', function($, webshims, window, document, undefined){
	"use strict";
	//shortcus
	var modules = webshims.modules;
	var listReg = /\s*,\s*/;
		
	//proxying attribute
	var olds = {};
	var havePolyfill = {};
	var extendedProps = {};
	var extendQ = {};
	var modifyProps = {};
	
	var oldVal = $.fn.val;
	var singleVal = function(elem, name, val, pass, _argless){
		return (_argless) ? oldVal.call($(elem)) : oldVal.call($(elem), val);
	};
	$.fn.val = function(val){
		var elem = this[0];
		if(arguments.length && val == null){
			val = '';
		}
		if(!arguments.length){
			if(!elem || elem.nodeType !== 1){return oldVal.call(this);}
			return $.prop(elem, 'value', val, 'val', true);
		}
		if($.isArray(val)){
			return oldVal.apply(this, arguments);
		}
		var isFunction = $.isFunction(val);
		return this.each(function(i){
			elem = this;
			if(elem.nodeType === 1){
				if(isFunction){
					var genVal = val.call( elem, i, $.prop(elem, 'value', undefined, 'val', true));
					if(genVal == null){
						genVal = '';
					}
					$.prop(elem, 'value', genVal, 'val') ;
				} else {
					$.prop(elem, 'value', val, 'val');
				}
			}
		});
	};
	
	var dataID = '_webshimsLib'+ (Math.round(Math.random() * 1000));
	var elementData = function(elem, key, val){
		elem = elem.jquery ? elem[0] : elem;
		if(!elem){return val || {};}
		var data = $.data(elem, dataID);
		if(val !== undefined){
			if(!data){
				data = $.data(elem, dataID, {});
			}
			if(key){
				data[key] = val;
			}
		}
		
		return key ? data && data[key] : data;
	};


	[{name: 'getNativeElement', prop: 'nativeElement'}, {name: 'getShadowElement', prop: 'shadowElement'}, {name: 'getShadowFocusElement', prop: 'shadowFocusElement'}].forEach(function(data){
		$.fn[data.name] = function(){
			return this.map(function(){
				var shadowData = elementData(this, 'shadowData');
				return shadowData && shadowData[data.prop] || this;
			});
		};
	});
	
	
	['removeAttr', 'prop', 'attr'].forEach(function(type){
		olds[type] = $[type];
		$[type] = function(elem, name, value, pass, _argless){
			var isVal = (pass == 'val');
			var oldMethod = !isVal ? olds[type] : singleVal;
			if( !elem || !havePolyfill[name] || elem.nodeType !== 1 || (!isVal && pass && type == 'attr' && $.attrFn[name]) ){
				return oldMethod(elem, name, value, pass, _argless);
			}
			
			var nodeName = (elem.nodeName || '').toLowerCase();
			var desc = extendedProps[nodeName];
			var curType = (type == 'attr' && (value === false || value === null)) ? 'removeAttr' : type;
			var propMethod;
			var oldValMethod;
			var ret;
			
			
			if(!desc){
				desc = extendedProps['*'];
			}
			if(desc){
				desc = desc[name];
			}
			
			if(desc){
				propMethod = desc[curType];
			}
			
			if(propMethod){
				if(name == 'value'){
					oldValMethod = propMethod.isVal;
					propMethod.isVal = isVal;
				}
				if(curType === 'removeAttr'){
					return propMethod.value.call(elem);	
				} else if(value === undefined){
					return (propMethod.get) ? 
						propMethod.get.call(elem) : 
						propMethod.value
					;
				} else if(propMethod.set) {
					if(type == 'attr' && value === true){
						value = name;
					}
					
					ret = propMethod.set.call(elem, value);
				}
				if(name == 'value'){
					propMethod.isVal = oldValMethod;
				}
			} else {
				ret = oldMethod(elem, name, value, pass, _argless);
			}
			if((value !== undefined || curType === 'removeAttr') && modifyProps[nodeName] && modifyProps[nodeName][name]){
				
				var boolValue;
				if(curType == 'removeAttr'){
					boolValue = false;
				} else if(curType == 'prop'){
					boolValue = !!(value);
				} else {
					boolValue = true;
				}
				
				modifyProps[nodeName][name].forEach(function(fn){
					if(!fn.only || (fn.only = 'prop' && type == 'prop') || (fn.only == 'attr' && type != 'prop')){
						fn.call(elem, value, boolValue, (isVal) ? 'val' : curType, type);
					}
				});
			}
			return ret;
		};
		
		extendQ[type] = function(nodeName, prop, desc){
			
			if(!extendedProps[nodeName]){
				extendedProps[nodeName] = {};
			}
			if(!extendedProps[nodeName][prop]){
				extendedProps[nodeName][prop] = {};
			}
			var oldDesc = extendedProps[nodeName][prop][type];
			var getSup = function(propType, descriptor, oDesc){
				if(descriptor && descriptor[propType]){
					return descriptor[propType];
				}
				if(oDesc && oDesc[propType]){
					return oDesc[propType];
				}
				if(type == 'prop' && prop == 'value'){
					return function(value){
						var elem = this;
						return (desc.isVal) ? 
							singleVal(elem, prop, value, false, (arguments.length === 0)) : 
							olds[type](elem, prop, value)
						;
					};
				}
				if(type == 'prop' && propType == 'value' && desc.value.apply){
					return  function(value){
						var sup = olds[type](this, prop);
						if(sup && sup.apply){
							sup = sup.apply(this, arguments);
						} 
						return sup;
					};
				}
				return function(value){
					return olds[type](this, prop, value);
				};
			};
			extendedProps[nodeName][prop][type] = desc;
			if(desc.value === undefined){
				if(!desc.set){
					desc.set = desc.writeable ? 
						getSup('set', desc, oldDesc) : 
						(webshims.cfg.useStrict && prop == 'prop') ? 
							function(){throw(prop +' is readonly on '+ nodeName);} : 
							$.noop
					;
				}
				if(!desc.get){
					desc.get = getSup('get', desc, oldDesc);
				}
				
			}
			
			['value', 'get', 'set'].forEach(function(descProp){
				if(desc[descProp]){
					desc['_sup'+descProp] = getSup(descProp, oldDesc);
				}
			});
		};
		
	});
	
	//see also: https://github.com/lojjic/PIE/issues/40 | https://prototype.lighthouseapp.com/projects/8886/tickets/1107-ie8-fatal-crash-when-prototypejs-is-loaded-with-rounded-cornershtc
	var isExtendNativeSave = (!$.browser.msie || parseInt($.browser.version, 10) > 8);
	var extendNativeValue = (function(){
		var UNKNOWN = webshims.getPrototypeOf(document.createElement('foobar'));
		var has = Object.prototype.hasOwnProperty;
		return function(nodeName, prop, desc){
			var elem = document.createElement(nodeName);
			var elemProto = webshims.getPrototypeOf(elem);
			if( isExtendNativeSave && elemProto && UNKNOWN !== elemProto && ( !elem[prop] || !has.call(elem, prop) ) ){
				var sup = elem[prop];
				desc._supvalue = function(){
					if(sup && sup.apply){
						return sup.apply(this, arguments);
					}
					return sup;
				};
				elemProto[prop] = desc.value;
			} else {
				desc._supvalue = function(){
					var data = elementData(this, 'propValue');
					if(data && data[prop] && data[prop].apply){
						return data[prop].apply(this, arguments);
					}
					return data && data[prop];
				};
				initProp.extendValue(nodeName, prop, desc.value);
			}
			desc.value._supvalue = desc._supvalue;
		};
	})();
		
	var initProp = (function(){
		
		var initProps = {};
		
		webshims.addReady(function(context, contextElem){
			var nodeNameCache = {};
			var getElementsByName = function(name){
				if(!nodeNameCache[name]){
					nodeNameCache[name] = $(context.getElementsByTagName(name));
					if(contextElem[0] && $.nodeName(contextElem[0], name)){
						nodeNameCache[name] = nodeNameCache[name].add(contextElem);
					}
				}
			};
			
			
			$.each(initProps, function(name, fns){
				getElementsByName(name);
				if(!fns || !fns.forEach){
					webshims.warn('Error: with '+ name +'-property. methods: '+ fns);
					return;
				}
				fns.forEach(function(fn){
					nodeNameCache[name].each(fn);
				});
			});
			nodeNameCache = null;
		});
		
		var tempCache;
		var emptyQ = $([]);
		var createNodeNameInit = function(nodeName, fn){
			if(!initProps[nodeName]){
				initProps[nodeName] = [fn];
			} else {
				initProps[nodeName].push(fn);
			}
			if($.isDOMReady){
				(tempCache || $( document.getElementsByTagName(nodeName) )).each(fn);
			}
		};
		
		var elementExtends = {};
		return {
			createTmpCache: function(nodeName){
				if($.isDOMReady){
					tempCache = tempCache || $( document.getElementsByTagName(nodeName) );
				}
				return tempCache || emptyQ;
			},
			flushTmpCache: function(){
				tempCache = null;
			},
			content: function(nodeName, prop){
				createNodeNameInit(nodeName, function(){
					var val =  $.attr(this, prop);
					if(val != null){
						$.attr(this, prop, val);
					}
				});
			},
			createElement: function(nodeName, fn){
				createNodeNameInit(nodeName, fn);
			},
			extendValue: function(nodeName, prop, value){
				createNodeNameInit(nodeName, function(){
					$(this).each(function(){
						var data = elementData(this, 'propValue', {});
						data[prop] = this[prop];
						this[prop] = value;
					});
				});
			}
		};
	})();
		
	var createPropDefault = function(descs, removeType){
		if(descs.defaultValue === undefined){
			descs.defaultValue = '';
		}
		if(!descs.removeAttr){
			descs.removeAttr = {
				value: function(){
					descs[removeType || 'prop'].set.call(this, descs.defaultValue);
					descs.removeAttr._supvalue.call(this);
				}
			};
		}
		if(!descs.attr){
			descs.attr = {};
		}
	};
	
	$.extend(webshims, {

		getID: (function(){
			var ID = new Date().getTime();
			return function(elem){
				elem = $(elem);
				var id = elem.attr('id');
				if(!id){
					ID++;
					id = 'ID-'+ ID;
					elem.attr('id', id);
				}
				return id;
			};
		})(),
		extendUNDEFProp: function(obj, props){
			$.each(props, function(name, prop){
				if( !(name in obj) ){
					obj[name] = prop;
				}
			});
		},
		//http://www.w3.org/TR/html5/common-dom-interfaces.html#reflect
		createPropDefault: createPropDefault,
		data: elementData,
		moveToFirstEvent: function(elem, eventType, bindType){
			var events = ($._data(elem, 'events') || {})[eventType];
			var fn;
			
			if(events && events.length > 1){
				fn = events.pop();
				if(!bindType){
					bindType = 'bind';
				}
				if(bindType == 'bind' && events.delegateCount){
					events.splice( events.delegateCount, 0, fn);
				} else {
					events.unshift( fn );
				}
				
				
			}
			elem = null;
		},
		addShadowDom: (function(){
			var resizeTimer;
			var lastHeight;
			var lastWidth;
			
			var docObserve = {
				init: false,
				runs: 0,
				test: function(){
					var height = docObserve.getHeight();
					var width = docObserve.getWidth();
					
					if(height != docObserve.height || width != docObserve.width){
						docObserve.height = height;
						docObserve.width = width;
						docObserve.handler({type: 'docresize'});
						docObserve.runs++;
						if(docObserve.runs < 9){
							setTimeout(docObserve.test, 90);
						}
					} else {
						docObserve.runs = 0;
					}
				},
				handler: function(e){
					clearTimeout(resizeTimer);
					resizeTimer = setTimeout(function(){
						if(e.type == 'resize'){
							var width = $(window).width();
							var height = $(window).width();
							if(height == lastHeight && width == lastWidth){
								return;
							}
							lastHeight = height;
							lastWidth = width;
							
							docObserve.height = docObserve.getHeight();
							docObserve.width = docObserve.getWidth();
							
						}
						$.event.trigger('updateshadowdom');
					}, (e.type == 'resize') ? 50 : 9);
				},
				_create: function(){
					$.each({ Height: "getHeight", Width: "getWidth" }, function(name, type){
						var body = document.body;
						var doc = document.documentElement;
						docObserve[type] = function(){
							return Math.max(
								body[ "scroll" + name ], doc[ "scroll" + name ],
								body[ "offset" + name ], doc[ "offset" + name ],
								doc[ "client" + name ]
							);
						};
					});
				},
				start: function(){
					if(!this.init && document.body){
						this.init = true;
						this._create();
						this.height = docObserve.getHeight();
						this.width = docObserve.getWidth();
						setInterval(this.test, 600);
						$(this.test);
						webshims.ready('WINDOWLOAD', this.test);
						$(window).bind('resize', this.handler);
						(function(){
							var oldAnimate = $.fn.animate;
							var animationTimer;
							
							$.fn.animate = function(){
								clearTimeout(animationTimer);
								animationTimer = setTimeout(function(){
									docObserve.test();
								}, 99);
								
								return oldAnimate.apply(this, arguments);
							};
						})();
					}
				}
			};
			
			
			$.event.customEvent.updateshadowdom = true;
			webshims.docObserve = function(){
				webshims.ready('DOM', function(){
					docObserve.start();
				});
			};
			return function(nativeElem, shadowElem, opts){
				opts = opts || {};
				if(nativeElem.jquery){
					nativeElem = nativeElem[0];
				}
				if(shadowElem.jquery){
					shadowElem = shadowElem[0];
				}
				var nativeData = $.data(nativeElem, dataID) || $.data(nativeElem, dataID, {});
				var shadowData = $.data(shadowElem, dataID) || $.data(shadowElem, dataID, {});
				var shadowFocusElementData = {};
				if(!opts.shadowFocusElement){
					opts.shadowFocusElement = shadowElem;
				} else if(opts.shadowFocusElement){
					if(opts.shadowFocusElement.jquery){
						opts.shadowFocusElement = opts.shadowFocusElement[0];
					}
					shadowFocusElementData = $.data(opts.shadowFocusElement, dataID) || $.data(opts.shadowFocusElement, dataID, shadowFocusElementData);
				}
				
				nativeData.hasShadow = shadowElem;
				shadowFocusElementData.nativeElement = shadowData.nativeElement = nativeElem;
				shadowFocusElementData.shadowData = shadowData.shadowData = nativeData.shadowData = {
					nativeElement: nativeElem,
					shadowElement: shadowElem,
					shadowFocusElement: opts.shadowFocusElement
				};
				if(opts.shadowChilds){
					opts.shadowChilds.each(function(){
						elementData(this, 'shadowData', shadowData.shadowData);
					});
				}
				
				if(opts.data){
					shadowFocusElementData.shadowData.data = shadowData.shadowData.data = nativeData.shadowData.data = opts.data;
				}
				opts = null;
				webshims.docObserve();
			};
		})(),
		propTypes: {
			standard: function(descs, name){
				createPropDefault(descs);
				if(descs.prop){return;}
				descs.prop = {
					set: function(val){
						descs.attr.set.call(this, ''+val);
					},
					get: function(){
						return descs.attr.get.call(this) || descs.defaultValue;
					}
				};
				
			},
			"boolean": function(descs, name){
				
				createPropDefault(descs);
				if(descs.prop){return;}
				descs.prop = {
					set: function(val){
						if(val){
							descs.attr.set.call(this, "");
						} else {
							descs.removeAttr.value.call(this);
						}
					},
					get: function(){
						return descs.attr.get.call(this) != null;
					}
				};
			},
			"src": (function(){
				var anchor = document.createElement('a');
				anchor.style.display = "none";
				return function(descs, name){
					
					createPropDefault(descs);
					if(descs.prop){return;}
					descs.prop = {
						set: function(val){
							descs.attr.set.call(this, val);
						},
						get: function(){
							var href = this.getAttribute(name);
							var ret;
							if(href == null){return '';}
							
							anchor.setAttribute('href', href+'' );
							
							if(!$.support.hrefNormalized){
								try {
									$(anchor).insertAfter(this);
									ret = anchor.getAttribute('href', 4);
								} catch(er){
									ret = anchor.getAttribute('href', 4);
								}
								$(anchor).detach();
							}
							return ret || anchor.href;
						}
					};
				};
			})(),
			enumarated: function(descs, name){
					
					createPropDefault(descs);
					if(descs.prop){return;}
					descs.prop = {
						set: function(val){
							descs.attr.set.call(this, val);
						},
						get: function(){
							var val = (descs.attr.get.call(this) || '').toLowerCase();
							if(!val || descs.limitedTo.indexOf(val) == -1){
								val = descs.defaultValue;
							}
							return val;
						}
					};
				}
			
//			,unsignedLong: $.noop
//			,"doubble": $.noop
//			,"long": $.noop
//			,tokenlist: $.noop
//			,settableTokenlist: $.noop
		},
		reflectProperties: function(nodeNames, props){
			if(typeof props == 'string'){
				props = props.split(listReg);
			}
			props.forEach(function(prop){
				webshims.defineNodeNamesProperty(nodeNames, prop, {
					prop: {
						set: function(val){
							$.attr(this, prop, val);
						},
						get: function(){
							return $.attr(this, prop) || '';
						}
					}
				});
			});
		},
		defineNodeNameProperty: function(nodeName, prop, descs){
			havePolyfill[prop] = true;
						
			if(descs.reflect){
				webshims.propTypes[descs.propType || 'standard'](descs, prop);
			}
			
			['prop', 'attr', 'removeAttr'].forEach(function(type){
				var desc = descs[type];
				if(desc){
					if(type === 'prop'){
						desc = $.extend({writeable: true}, desc);
					} else {
						desc = $.extend({}, desc, {writeable: true});
					}
						
					extendQ[type](nodeName, prop, desc);
					if(nodeName != '*' && webshims.cfg.extendNative && type == 'prop' && desc.value && $.isFunction(desc.value)){
						extendNativeValue(nodeName, prop, desc);
					}
					descs[type] = desc;
				}
			});
			if(descs.initAttr){
				initProp.content(nodeName, prop);
			}
			return descs;
		},
		
		defineNodeNameProperties: function(name, descs, propType, _noTmpCache){
			var olddesc;
			for(var prop in descs){
				if(!_noTmpCache && descs[prop].initAttr){
					initProp.createTmpCache(name);
				}
				if(propType){
					if(descs[prop][propType]){
						//webshims.log('override: '+ name +'['+prop +'] for '+ propType);
					} else {
						descs[prop][propType] = {};
						['value', 'set', 'get'].forEach(function(copyProp){
							if(copyProp in descs[prop]){
								descs[prop][propType][copyProp] = descs[prop][copyProp];
								delete descs[prop][copyProp];
							}
						});
					}
				}
				descs[prop] = webshims.defineNodeNameProperty(name, prop, descs[prop]);
			}
			if(!_noTmpCache){
				initProp.flushTmpCache();
			}
			return descs;
		},
		
		createElement: function(nodeName, create, descs){
			var ret;
			if($.isFunction(create)){
				create = {
					after: create
				};
			}
			initProp.createTmpCache(nodeName);
			if(create.before){
				initProp.createElement(nodeName, create.before);
			}
			if(descs){
				ret = webshims.defineNodeNameProperties(nodeName, descs, false, true);
			}
			if(create.after){
				initProp.createElement(nodeName, create.after);
			}
			initProp.flushTmpCache();
			return ret;
		},
		onNodeNamesPropertyModify: function(nodeNames, props, desc, only){
			if(typeof nodeNames == 'string'){
				nodeNames = nodeNames.split(listReg);
			}
			if($.isFunction(desc)){
				desc = {set: desc};
			}
			
			nodeNames.forEach(function(name){
				if(!modifyProps[name]){
					modifyProps[name] = {};
				}
				if(typeof props == 'string'){
					props = props.split(listReg);
				}
				if(desc.initAttr){
					initProp.createTmpCache(name);
				}
				props.forEach(function(prop){
					if(!modifyProps[name][prop]){
						modifyProps[name][prop] = [];
						havePolyfill[prop] = true;
					}
					if(desc.set){
						if(only){
							desc.set.only =  only;
						}
						modifyProps[name][prop].push(desc.set);
					}
					
					if(desc.initAttr){
						initProp.content(name, prop);
					}
				});
				initProp.flushTmpCache();
				
			});
		},
		defineNodeNamesBooleanProperty: function(elementNames, prop, descs){
			if(!descs){
				descs = {};
			}
			if($.isFunction(descs)){
				descs.set = descs;
			}
			webshims.defineNodeNamesProperty(elementNames, prop, {
				attr: {
					set: function(val){
						this.setAttribute(prop, val);
						if(descs.set){
							descs.set.call(this, true);
						}
					},
					get: function(){
						var ret = this.getAttribute(prop);
						return (ret == null) ? undefined : prop;
					}
				},
				removeAttr: {
					value: function(){
						this.removeAttribute(prop);
						if(descs.set){
							descs.set.call(this, false);
						}
					}
				},
				reflect: true,
				propType: 'boolean',
				initAttr: descs.initAttr || false
			});
		},
		contentAttr: function(elem, name, val){
			if(!elem.nodeName){return;}
			var attr;
			if(val === undefined){
				attr = (elem.attributes[name] || {});
				val = attr.specified ? attr.value : null;
				return (val == null) ? undefined : val;
			}
			
			if(typeof val == 'boolean'){
				if(!val){
					elem.removeAttribute(name);
				} else {
					elem.setAttribute(name, name);
				}
			} else {
				elem.setAttribute(name, val);
			}
		},
		
//		set current Lang:
//			- webshims.activeLang(lang:string);
//		get current lang
//			- webshims.activeLang();
//		get current lang
//			webshims.activeLang({
//				register: moduleName:string,
//				callback: callback:function
//			});
//		get/set including removeLang
//			- webshims.activeLang({
//				module: moduleName:string,
//				callback: callback:function,
//				langObj: languageObj:array/object
//			});
		activeLang: (function(){
			var callbacks = [];
			var registeredCallbacks = {};
			var currentLang;
			var shortLang;
			var notLocal = /:\/\/|^\.*\//;
			var loadRemoteLang = function(data, lang, options){
				var langSrc;
				if(lang && options && $.inArray(lang, options.availabeLangs || []) !== -1){
					data.loading = true;
					langSrc = options.langSrc;
					if(!notLocal.test(langSrc)){
						langSrc = webshims.cfg.basePath+langSrc;
					}
					webshims.loader.loadScript(langSrc+lang+'.js', function(){
						if(data.langObj[lang]){
							data.loading = false;
							callLang(data, true);
						} else {
							$(function(){
								if(data.langObj[lang]){
									callLang(data, true);
								}
								data.loading = false;
							});
						}
					});
					return true;
				}
				return false;
			};
			var callRegister = function(module){
				if(registeredCallbacks[module]){
					registeredCallbacks[module].forEach(function(data){
						data.callback();
					});
				}
			};
			var callLang = function(data, _noLoop){
				if(data.activeLang != currentLang && data.activeLang !== shortLang){
					var options = modules[data.module].options;
					if( data.langObj[currentLang] || (shortLang && data.langObj[shortLang]) ){
						data.activeLang = currentLang;
						data.callback(data.langObj[currentLang] || data.langObj[shortLang], currentLang);
						callRegister(data.module);
					} else if( !_noLoop &&
						!loadRemoteLang(data, currentLang, options) && 
						!loadRemoteLang(data, shortLang, options) && 
						data.langObj[''] && data.activeLang !== '' ) {
						data.activeLang = '';
						data.callback(data.langObj[''], currentLang);
						callRegister(data.module);
					}
				}
			};
			
			
			var activeLang = function(lang){
				
				if(typeof lang == 'string' && lang !== currentLang){
					currentLang = lang;
					shortLang = currentLang.split('-')[0];
					if(currentLang == shortLang){
						shortLang = false;
					}
					$.each(callbacks, function(i, data){
						callLang(data);
					});
				} else if(typeof lang == 'object'){
					
					if(lang.register){
						if(!registeredCallbacks[lang.register]){
							registeredCallbacks[lang.register] = [];
						}
						registeredCallbacks[lang.register].push(lang);
						lang.callback();
					} else {
						if(!lang.activeLang){
							lang.activeLang = '';
						}
						callbacks.push(lang);
						callLang(lang);
					}
				}
				return currentLang;
			};
			
			return activeLang;
		})()
	});
	
	$.each({
		defineNodeNamesProperty: 'defineNodeNameProperty',
		defineNodeNamesProperties: 'defineNodeNameProperties',
		createElements: 'createElement'
	}, function(name, baseMethod){
		webshims[name] = function(names, a, b, c){
			if(typeof names == 'string'){
				names = names.split(listReg);
			}
			var retDesc = {};
			names.forEach(function(nodeName){
				retDesc[nodeName] = webshims[baseMethod](nodeName, a, b, c);
			});
			return retDesc;
		};
	});
	
	webshims.isReady('webshimLocalization', true);
});
//html5a11y
(function($, document){
	var browserVersion = $.webshims.browserVersion;
	if($.browser.mozilla && browserVersion > 5){return;}
	if (!$.browser.msie || (browserVersion < 12 && browserVersion > 7)) {
		var elemMappings = {
			article: "article",
			aside: "complementary",
			section: "region",
			nav: "navigation",
			address: "contentinfo"
		};
		var addRole = function(elem, role){
			var hasRole = elem.getAttribute('role');
			if (!hasRole) {
				elem.setAttribute('role', role);
			}
		};
		
		$.webshims.addReady(function(context, contextElem){
			$.each(elemMappings, function(name, role){
				var elems = $(name, context).add(contextElem.filter(name));
				for (var i = 0, len = elems.length; i < len; i++) {
					addRole(elems[i], role);
				}
			});
			if (context === document) {
				var header = document.getElementsByTagName('header')[0];
				var footers = document.getElementsByTagName('footer');
				var footerLen = footers.length;
				if (header && !$(header).closest('section, article')[0]) {
					addRole(header, 'banner');
				}
				if (!footerLen) {
					return;
				}
				var footer = footers[footerLen - 1];
				if (!$(footer).closest('section, article')[0]) {
					addRole(footer, 'contentinfo');
				}
			}
		});
	}
})(jQuery, document);

(function($, Modernizr, webshims){
	"use strict";
	var hasNative = Modernizr.audio && Modernizr.video;
	var supportsLoop = false;
	var bugs = webshims.bugs;
	
	var loadSwf = function(){
		webshims.ready(swfType, function(){
			if(!webshims.mediaelement.createSWF){
				webshims.mediaelement.loadSwf = true;
				webshims.reTest([swfType], hasNative);
			}
		});
	};
	var options = webshims.cfg.mediaelement;
	var swfType = options && options.player == 'jwplayer' ? 'mediaelement-swf' : 'mediaelement-jaris';
	var hasSwf;
	if(!options){
		webshims.error("mediaelement wasn't implemented but loaded");
		return;
	}
	if(hasNative){
		var videoElem = document.createElement('video');
		Modernizr.videoBuffered = ('buffered' in videoElem);
		supportsLoop = ('loop' in videoElem);
		
		webshims.capturingEvents(['play', 'playing', 'waiting', 'paused', 'ended', 'durationchange', 'loadedmetadata', 'canplay', 'volumechange']);
		
		if(!Modernizr.videoBuffered){
			webshims.addPolyfill('mediaelement-native-fix', {
				f: 'mediaelement',
				test: Modernizr.videoBuffered,
				d: ['dom-support']
			});
			
			webshims.reTest('mediaelement-native-fix');
		}
	}
	
	if(hasNative && !options.preferFlash){
		var switchOptions = function(e){
			var parent = e.target.parentNode;
			if(!options.preferFlash && ($(e.target).is('audio, video') || (parent && $('source:last', parent)[0] == e.target)) ){
				webshims.ready('DOM mediaelement', function(){
					if(hasSwf){
						loadSwf();
					}
					webshims.ready('WINDOWLOAD '+swfType, function(){
						setTimeout(function(){
							if(hasSwf && !options.preferFlash && webshims.mediaelement.createSWF && !$(e.target).closest('audio, video').is('.nonnative-api-active')){
								options.preferFlash = true;
								document.removeEventListener('error', switchOptions, true);
								$('audio, video').mediaLoad();
								webshims.info("switching mediaelements option to 'preferFlash', due to an error with native player: "+e.target.src);
							} else if(!hasSwf){
								document.removeEventListener('error', switchOptions, true);
							}
						}, 20);
					});
				});
			}
		};
		document.addEventListener('error', switchOptions, true);
		$('audio, video').each(function(){
			if(this.error){
				switchOptions({target: this});
			}
		});
	}
	
	
	if(Modernizr.track && !bugs.track){
		(function(){
			
			if(!bugs.track){
				bugs.track = typeof $('<track />')[0].readyState != 'number';
			}
			
			if(!bugs.track){
				try {
					new TextTrackCue(2, 3, '');
				} catch(e){
					bugs.track = true;
				}
			}
			
			var trackOptions = webshims.cfg.track;
			var trackListener = function(e){
				$(e.target).filter('track').each(changeApi);
			};
			var changeApi = function(){
				if(bugs.track || (!trackOptions.override && $.prop(this, 'readyState') == 3)){
					trackOptions.override = true;
					webshims.reTest('track');
					document.removeEventListener('error', trackListener, true);
					if(this && $.nodeName(this, 'track')){
						webshims.error("track support was overwritten. Please check your vtt including your vtt mime-type");
					} else {
						webshims.info("track support was overwritten. due to bad browser support");
					}
				}
			};
			var detectTrackError = function(){
				document.addEventListener('error', trackListener, true);
				
				if(bugs.track){
					changeApi();
				} else {
					$('track').each(changeApi);
				}
			};
			if(!trackOptions.override){
				if(webshims.isReady('track')){
					detectTrackError();
				} else {
					$(detectTrackError);
				}
			}
		})();
		
	}

webshims.register('mediaelement-core', function($, webshims, window, document, undefined){
	hasSwf = swfobject.hasFlashPlayerVersion('9.0.115');
	$('html').addClass(hasSwf ? 'swf' : 'no-swf');
	var mediaelement = webshims.mediaelement;
	mediaelement.parseRtmp = function(data){
		var src = data.src.split('://');
		var paths = src[1].split('/');
		var i, len, found;
		data.server = src[0]+'://'+paths[0]+'/';
		data.streamId = [];
		for(i = 1, len = paths.length; i < len; i++){
			if(!found && paths[i].indexOf(':') !== -1){
				paths[i] = paths[i].split(':')[1];
				found = true;
			}
			if(!found){
				data.server += paths[i]+'/';
			} else {
				data.streamId.push(paths[i]);
			}
		}
		if(!data.streamId.length){
			webshims.error('Could not parse rtmp url');
		}
		data.streamId = data.streamId.join('/');
		console.log(data)
	};
	var getSrcObj = function(elem, nodeName){
		elem = $(elem);
		var src = {src: elem.attr('src') || '', elem: elem, srcProp: elem.prop('src')};
		var tmp;
		
		if(!src.src){return src;}
		
		tmp = elem.attr('data-server');
		if(tmp != null){
			src.server = tmp;
		}
		
		tmp = elem.attr('type');
		if(tmp){
			src.type = tmp;
			src.container = $.trim(tmp.split(';')[0]);
		} else {
			if(!nodeName){
				nodeName = elem[0].nodeName.toLowerCase();
				if(nodeName == 'source'){
					nodeName = (elem.closest('video, audio')[0] || {nodeName: 'video'}).nodeName.toLowerCase();
				}
			}
			if(src.server){
				src.type = nodeName+'/rtmp';
				src.container = nodeName+'/rtmp';
			} else {
				
				tmp = mediaelement.getTypeForSrc( src.src, nodeName, src );
				
				if(tmp){
					src.type = tmp;
					src.container = tmp;
				}
			}
		}
		tmp = elem.attr('media');
		if(tmp){
			src.media = tmp;
		}
		if(src.type == 'audio/rtmp' || src.type == 'video/rtmp'){
			if(src.server){
				src.streamId = src.src;
			} else {
				mediaelement.parseRtmp(src);
			}
		}
		return src;
	};
	
	
	
	var hasYt = !hasSwf && ('postMessage' in window) && hasNative;
	
	var loadTrackUi = function(){
		if(loadTrackUi.loaded){return;}
		loadTrackUi.loaded = true;
		$(function(){
			webshims.loader.loadList(['track-ui']);
		});
	};
	var loadYt = (function(){
		var loaded;
		return function(){
			if(loaded || !hasYt){return;}
			loaded = true;
			webshims.loader.loadScript("https://www.youtube.com/player_api");
			$(function(){
				webshims.polyfill("mediaelement-yt");
			});
		};
	})();
	var loadThird = function(){
		if(hasSwf){
			loadSwf();
		} else {
			loadYt();
		}
	};
	
	webshims.addPolyfill('mediaelement-yt', {
		test: !hasYt,
		d: ['dom-support']
	});
	
	mediaelement.mimeTypes = {
		audio: {
				//ogm shouldn´t be used!
				'audio/ogg': ['ogg','oga', 'ogm'],
				'audio/ogg;codecs="opus"': 'opus',
				'audio/mpeg': ['mp2','mp3','mpga','mpega'],
				'audio/mp4': ['mp4','mpg4', 'm4r', 'm4a', 'm4p', 'm4b', 'aac'],
				'audio/wav': ['wav'],
				'audio/3gpp': ['3gp','3gpp'],
				'audio/webm': ['webm'],
				'audio/fla': ['flv', 'f4a', 'fla'],
				'application/x-mpegURL': ['m3u8', 'm3u']
			},
			video: {
				//ogm shouldn´t be used!
				'video/ogg': ['ogg','ogv', 'ogm'],
				'video/mpeg': ['mpg','mpeg','mpe'],
				'video/mp4': ['mp4','mpg4', 'm4v'],
				'video/quicktime': ['mov','qt'],
				'video/x-msvideo': ['avi'],
				'video/x-ms-asf': ['asf', 'asx'],
				'video/flv': ['flv', 'f4v'],
				'video/3gpp': ['3gp','3gpp'],
				'video/webm': ['webm'],
				'application/x-mpegURL': ['m3u8', 'm3u'],
				'video/MP2T': ['ts']
			}
		}
	;
	
	mediaelement.mimeTypes.source =  $.extend({}, mediaelement.mimeTypes.audio, mediaelement.mimeTypes.video);
	
	mediaelement.getTypeForSrc = function(src, nodeName, data){
		if(src.indexOf('youtube.com/watch?') != -1 || src.indexOf('youtube.com/v/') != -1){
			return 'video/youtube';
		}
		if(src.indexOf('rtmp') === 0){
			return nodeName+'/rtmp';
		}
		src = src.split('?')[0].split('.');
		src = src[src.length - 1];
		var mt;
		
		$.each(mediaelement.mimeTypes[nodeName], function(mimeType, exts){
			if(exts.indexOf(src) !== -1){
				mt = mimeType;
				return false;
			}
		});
		return mt;
	};
	
	
	mediaelement.srces = function(mediaElem, srces){
		mediaElem = $(mediaElem);
		if(!srces){
			srces = [];
			var nodeName = mediaElem[0].nodeName.toLowerCase();
			var src = getSrcObj(mediaElem, nodeName);
			
			if(!src.src){
				
				$('source', mediaElem).each(function(){
					src = getSrcObj(this, nodeName);
					if(src.src){srces.push(src);}
				});
			} else {
				srces.push(src);
			}
			return srces;
		} else {
			mediaElem.removeAttr('src').removeAttr('type').find('source').remove();
			if(!$.isArray(srces)){
				srces = [srces]; 
			}
			srces.forEach(function(src){
				var source = document.createElement('source');
				if(typeof src == 'string'){
					src = {src: src};
				} 
				source.setAttribute('src', src.src);
				if(src.type){
					source.setAttribute('type', src.type);
				}
				if(src.media){
					source.setAttribute('media', src.media);
				}
				mediaElem.append(source);
			});
			
		}
	};
	
	
	$.fn.loadMediaSrc = function(srces, poster){
		return this.each(function(){
			if(poster !== undefined){
				$(this).removeAttr('poster');
				if(poster){
					$.attr(this, 'poster', poster);
				}
			}
			mediaelement.srces(this, srces);
			$(this).mediaLoad();
		});
	};
	
	mediaelement.swfMimeTypes = ['video/3gpp', 'video/x-msvideo', 'video/quicktime', 'video/x-m4v', 'video/mp4', 'video/m4p', 'video/x-flv', 'video/flv', 'audio/mpeg', 'audio/aac', 'audio/mp4', 'audio/x-m4a', 'audio/m4a', 'audio/mp3', 'audio/x-fla', 'audio/fla', 'youtube/flv', 'jwplayer/jwplayer', 'video/youtube', 'video/rtmp', 'audio/rtmp'];
	
	mediaelement.canThirdPlaySrces = function(mediaElem, srces){
		var ret = '';
		if(hasSwf || hasYt){
			mediaElem = $(mediaElem);
			srces = srces || mediaelement.srces(mediaElem);
			$.each(srces, function(i, src){
				if(src.container && src.src && ((hasSwf && mediaelement.swfMimeTypes.indexOf(src.container) != -1) || (hasYt && src.container == 'video/youtube'))){
					ret = src;
					return false;
				}
			});
			
		}
		
		return ret;
	};
	
	var nativeCanPlayType = {};
	mediaelement.canNativePlaySrces = function(mediaElem, srces){
		var ret = '';
		if(hasNative){
			mediaElem = $(mediaElem);
			var nodeName = (mediaElem[0].nodeName || '').toLowerCase();
			if(!nativeCanPlayType[nodeName]){return ret;}
			srces = srces || mediaelement.srces(mediaElem);
			
			$.each(srces, function(i, src){
				if(src.type && nativeCanPlayType[nodeName].prop._supvalue.call(mediaElem[0], src.type) ){
					ret = src;
					return false;
				}
			});
		}
		return ret;
	};
	
	mediaelement.setError = function(elem, message){
		if(!message){
			message = "can't play sources";
		}
		
		$(elem).pause().data('mediaerror', message);
		webshims.warn('mediaelementError: '+ message);
		setTimeout(function(){
			if($(elem).data('mediaerror')){
				$(elem).trigger('mediaerror');
			}
		}, 1);
	};
	
	var handleThird = (function(){
		var requested;
		return function( mediaElem, ret, data ){
			if(!requested){
				loadTrackUi();
			}
			webshims.ready(hasSwf ? swfType : 'mediaelement-yt', function(){
				if(mediaelement.createSWF){
					mediaelement.createSWF( mediaElem, ret, data );
				} else if(!requested) {
					requested = true;
					loadThird();
					//readd to ready
					handleThird( mediaElem, ret, data );
				}
			});
			if(!requested && hasYt && !mediaelement.createSWF){
				loadYt();
			}
		};
	})();
	
	var stepSources = function(elem, data, useSwf, _srces, _noLoop){
		var ret;
		if(useSwf || (useSwf !== false && data && data.isActive == 'third')){
			ret = mediaelement.canThirdPlaySrces(elem, _srces);
			if(!ret){
				if(_noLoop){
					mediaelement.setError(elem, false);
				} else {
					stepSources(elem, data, false, _srces, true);
				}
			} else {
				handleThird(elem, ret, data);
			}
		} else {
			ret = mediaelement.canNativePlaySrces(elem, _srces);
			if(!ret){
				if(_noLoop){
					mediaelement.setError(elem, false);
					if(data && data.isActive == 'third') {
						mediaelement.setActive(elem, 'html5', data);
					}
				} else {
					stepSources(elem, data, true, _srces, true);
				}
			} else if(data && data.isActive == 'third') {
				mediaelement.setActive(elem, 'html5', data);
			}
		}
	};
	var stopParent = /^(?:embed|object|datalist)$/i;
	var selectSource = function(elem, data){
		var baseData = webshims.data(elem, 'mediaelementBase') || webshims.data(elem, 'mediaelementBase', {});
		var _srces = mediaelement.srces(elem);
		var parent = elem.parentNode;
		
		clearTimeout(baseData.loadTimer);
		$.data(elem, 'mediaerror', false);
		
		if(!_srces.length || !parent || parent.nodeType != 1 || stopParent.test(parent.nodeName || '')){return;}
		data = data || webshims.data(elem, 'mediaelement');
		stepSources(elem, data, options.preferFlash || undefined, _srces);
	};
	
	
	$(document).on('ended', function(e){
		var data = webshims.data(e.target, 'mediaelement');
		if( supportsLoop && (!data || data.isActive == 'html5') && !$.prop(e.target, 'loop')){return;}
		setTimeout(function(){
			if( $.prop(e.target, 'paused') || !$.prop(e.target, 'loop') ){return;}
			$(e.target).prop('currentTime', 0).play();
		}, 1);
		
	});
	if(!supportsLoop){
		webshims.defineNodeNamesBooleanProperty(['audio', 'video'], 'loop');
	}
	
	['audio', 'video'].forEach(function(nodeName){
		var supLoad = webshims.defineNodeNameProperty(nodeName, 'load',  {
			prop: {
				value: function(){
					var data = webshims.data(this, 'mediaelement');
					selectSource(this, data);
					if(hasNative && (!data || data.isActive == 'html5') && supLoad.prop._supvalue){
						supLoad.prop._supvalue.apply(this, arguments);
					}
				}
			}
		});
		nativeCanPlayType[nodeName] = webshims.defineNodeNameProperty(nodeName, 'canPlayType',  {
			prop: {
				value: function(type){
					var ret = '';
					if(hasNative && nativeCanPlayType[nodeName].prop._supvalue){
						ret = nativeCanPlayType[nodeName].prop._supvalue.call(this, type);
						if(ret == 'no'){
							ret = '';
						}
					}
					if(!ret && hasSwf){
						type = $.trim((type || '').split(';')[0]);
						if(mediaelement.swfMimeTypes.indexOf(type) != -1){
							ret = 'maybe';
						}
					}
					return ret;
				}
			}
		});
	});
	webshims.onNodeNamesPropertyModify(['audio', 'video'], ['src', 'poster'], {
		set: function(){
			var elem = this;
			var baseData = webshims.data(elem, 'mediaelementBase') || webshims.data(elem, 'mediaelementBase', {});
			clearTimeout(baseData.loadTimer);
			baseData.loadTimer = setTimeout(function(){
				selectSource(elem);
				elem = null;
			}, 9);
		}
	});
		
	var initMediaElements = function(){
		
		webshims.addReady(function(context, insertedElement){
			var media = $('video, audio', context)
				.add(insertedElement.filter('video, audio'))
				.each(function(){
					if($.browser.msie && webshims.browserVersion > 8 && $.prop(this, 'paused') && !$.prop(this, 'readyState') && $(this).is('audio[preload="none"][controls]:not([autoplay])')){
						$(this).prop('preload', 'metadata').mediaLoad();
					} else {
						selectSource(this);
					}
					
					
					
					if(hasNative){
						var bufferTimer;
						var lastBuffered;
						var elem = this;
						var getBufferedString = function(){
							var buffered = $.prop(elem, 'buffered');
							if(!buffered){return;}
							var bufferString = "";
							for(var i = 0, len = buffered.length; i < len;i++){
								bufferString += buffered.end(i);
							}
							return bufferString;
						};
						var testBuffer = function(){
							var buffered = getBufferedString();
							if(buffered != lastBuffered){
								lastBuffered = buffered;
								$(elem).triggerHandler('progress');
							}
						};
						
						$(this)
							.on({
								'play loadstart progress': function(e){
									if(e.type == 'progress'){
										lastBuffered = getBufferedString();
									}
									clearTimeout(bufferTimer);
									bufferTimer = setTimeout(testBuffer, 999);
								},
								'emptied stalled mediaerror abort suspend': function(e){
									if(e.type == 'emptied'){
										lastBuffered = false;
									}
									clearTimeout(bufferTimer);
								}
							})
						;
					}
					
				})
			;
			if(!loadTrackUi.loaded && $('track', media).length){
				loadTrackUi();
			}
			media = null;
		});
	};
	
	if(Modernizr.track && !bugs.track){
		webshims.defineProperty(TextTrack.prototype, 'shimActiveCues', {
			get: function(){
				return this._shimActiveCues || this.activeCues;
			}
		});
	}
	//set native implementation ready, before swf api is retested
	if(hasNative){
		webshims.isReady('mediaelement-core', true);
		initMediaElements();
		webshims.ready('WINDOWLOAD mediaelement', loadThird);
	} else {
		webshims.ready(swfType, initMediaElements);
	}
	webshims.ready('WINDOWLOAD mediaelement', loadTrackUi);
});
})(jQuery, Modernizr, jQuery.webshims);
jQuery.webshims.register('track', function($, webshims, window, document, undefined){
	"use strict";
	var mediaelement = webshims.mediaelement;
	var id = new Date().getTime();
	//descriptions are not really shown, but they are inserted into the dom
	var showTracks = {subtitles: 1, captions: 1, descriptions: 1};
	var notImplemented = function(){
		webshims.error('not implemented yet');
	};
	var dummyTrack = $('<track />');
	var supportTrackMod = Modernizr.ES5 && Modernizr.objectAccessor;
	var createEventTarget = function(obj){
		var eventList = {};
		obj.addEventListener = function(name, fn){
			if(eventList[name]){
				webshims.error('always use $.on to the shimed event: '+ name +' already bound fn was: '+ eventList[name] +' your fn was: '+ fn);
			}
			eventList[name] = fn;
			
		};
		obj.removeEventListener = function(name, fn){
			if(eventList[name] && eventList[name] != fn){
				webshims.error('always use $.on/$.off to the shimed event: '+ name +' already bound fn was: '+ eventList[name] +' your fn was: '+ fn);
			}
			if(eventList[name]){
				delete eventList[name];
			}
		};
		return obj;
	};
	
	
	var cueListProto = {
		getCueById: function(id){
			var cue = null;
			for(var i = 0, len = this.length; i < len; i++){
				if(this[i].id === id){
					cue = this[i];
					break;
				}
			}
			return cue;
		}
	};
	var numericModes = {
		0: 'disabled',
		1: 'hidden',
		2: 'showing'
	};
	
	var textTrackProto = {
		shimActiveCues: null,
		_shimActiveCues: null,
		activeCues: null,
		cues: null,
		kind: 'subtitles',
		label: '',
		language: '',
		mode: 'disabled',
		readyState: 0,
		oncuechange: null,
		toString: function() {
			return "[object TextTrack]";
		},
		addCue: function(cue){
			if(!this.cues){
				this.cues = mediaelement.createCueList();
			} else {
				var lastCue = this.cues[this.cues.length-1];
				if(lastCue && lastCue.startTime > cue.startTime){
					webshims.error("cue startTime higher than previous cue's startTime");
				}
			}
			if(cue.track && cue.track.removeCue){
				cue.track.removeCue(cue);
			}
			cue.track = this;
			this.cues.push(cue);
		},
		//ToDo: make it more dynamic
		removeCue: function(cue){
			var cues = this.cues || [];
			var i = 0;
			var len = cues.length;
			if(cue.track != this){
				webshims.error("cue not part of track");
				return;
			}
			for(; i < len; i++){
				if(cues[i] === cue){
					cues.splice(i, 1);
					cue.track = null;
					break;
				}
			}
			if(cue.track){
				webshims.error("cue not part of track");
				return;
			}
		},
		DISABLED: 'disabled',
		OFF: 'disabled',
		HIDDEN: 'hidden',
		SHOWING: 'showing',
		ERROR: 3,
		LOADED: 2,
		LOADING: 1,
		NONE: 0
	};
	var copyProps = ['kind', 'label', 'srclang'];
	var copyName = {srclang: 'language'};
	
	var owns = Function.prototype.call.bind(Object.prototype.hasOwnProperty);
	
	var updateMediaTrackList = function(baseData, trackList){
		var removed = [];
		var added = [];
		var newTracks = [];
		var i, len;
		if(!baseData){
			baseData =  webshims.data(this, 'mediaelementBase') || webshims.data(this, 'mediaelementBase', {});
		}
		
		if(!trackList){
			baseData.blockTrackListUpdate = true;
			trackList = $.prop(this, 'textTracks');
			baseData.blockTrackListUpdate = false;
		}
		
		clearTimeout(baseData.updateTrackListTimer);
		
		$('track', this).each(function(){
			var track = $.prop(this, 'track');
			newTracks.push(track);
			if(trackList.indexOf(track) == -1){
				added.push(track);
			}
		});
		
		if(baseData.scriptedTextTracks){
			for(i = 0, len = baseData.scriptedTextTracks.length; i < len; i++){
				newTracks.push(baseData.scriptedTextTracks[i]);
				if(trackList.indexOf(baseData.scriptedTextTracks[i]) == -1){
					added.push(baseData.scriptedTextTracks[i]);
				}
			}
		}
		
		for(i = 0, len = trackList.length; i < len; i++){
			if(newTracks.indexOf(trackList[i]) == -1){
				removed.push(trackList[i]);
			}
		}
		
		if(removed.length || added.length){
			trackList.splice(0);
			
			for(i = 0, len = newTracks.length; i < len; i++){
				trackList.push(newTracks[i]);
			}
			for(i = 0, len = removed.length; i < len; i++){
				$([trackList]).triggerHandler($.Event({type: 'removetrack', track: removed[i]}));
			}
			for(i = 0, len = added.length; i < len; i++){
				$([trackList]).triggerHandler($.Event({type: 'addtrack', track: added[i]}));
			}
			if(baseData.scriptedTextTracks || removed.length){
				$(this).triggerHandler('updatetrackdisplay');
			}
		}
	};
	
	var refreshTrack = function(track, trackData){
		if(!trackData){
			trackData = webshims.data(track, 'trackData');
		}
		if(trackData && !trackData.isTriggering){
			trackData.isTriggering = true;
			setTimeout(function(){
				if(!(trackData.track || {}).readyState){
					$(track).triggerHandler('checktrackmode');
				} else {
					$(track).closest('audio, video').triggerHandler('updatetrackdisplay');
				}
				trackData.isTriggering = false;
			}, 1);
		}
	};
	
	var emptyDiv = $('<div />')[0];
	window.TextTrackCue = function(startTime, endTime, text){
		if(arguments.length != 3){
			webshims.error("wrong arguments.length for TextTrackCue.constructor");
		}
		
		this.startTime = startTime;
		this.endTime = endTime;
		this.text = text;
		
		this.id = "";
		this.pauseOnExit = false;
		
		createEventTarget(this);
	};
	
	window.TextTrackCue.prototype = {
		
		onenter: null,
		onexit: null,
		pauseOnExit: false,
		getCueAsHTML: function(){
			var lastText = "";
			var parsedText = "";
			var fragment = document.createDocumentFragment();
			var fn;
			if(!owns(this, 'getCueAsHTML')){
				fn = this.getCueAsHTML = function(){
					var i, len;
					if(lastText != this.text){
						lastText = this.text;
						parsedText = mediaelement.parseCueTextToHTML(lastText);
						emptyDiv.innerHTML = parsedText;
						
						for(i = 0, len = emptyDiv.childNodes.length; i < len; i++){
							fragment.appendChild(emptyDiv.childNodes[i].cloneNode(true));
						}
					}
					return fragment.cloneNode(true);
				};
				
			}
			return fn ? fn.apply(this, arguments) : fragment.cloneNode(true);
		},
		track: null,
		
		
		id: ''
		//todo-->
//			,
//			snapToLines: true,
//			line: 'auto',
//			size: 100,
//			position: 50,
//			vertical: '',
//			align: 'middle'
	};
	
	
	
	
	
	mediaelement.createCueList = function(){
		return $.extend([], cueListProto);
	};
	
	mediaelement.parseCueTextToHTML = (function(){
		var tagSplits = /(<\/?[^>]+>)/ig;
		var allowedTags = /^(?:c|v|ruby|rt|b|i|u)/;
		var regEnd = /\<\s*\//;
		var addToTemplate = function(localName, attribute, tag, html){
			var ret;
			if(regEnd.test(html)){
				ret = '</'+ localName +'>';
			} else {
				tag.splice(0, 1);
				ret =  '<'+ localName +' '+ attribute +'="'+ (tag.join(' ').replace(/\"/g, '&#34;')) +'">';
			}
			return ret;
		};
		var replacer = function(html){
			var tag = html.replace(/[<\/>]+/ig,"").split(/[\s\.]+/);
			if(tag[0]){
				tag[0] = tag[0].toLowerCase();
				if(allowedTags.test(tag[0])){
					if(tag[0] == 'c'){
						html = addToTemplate('span', 'class', tag, html);
					} else if(tag[0] == 'v'){
						html = addToTemplate('q', 'title', tag, html);
					}
				} else {
					html = "";
				}
			}
			return html;
		};
		
		return function(cueText){
			return cueText.replace(tagSplits, replacer);
		};
	})();
	
	mediaelement.loadTextTrack = function(mediaelem, track, trackData, _default){
		var loadEvents = 'play playing timeupdate updatetrackdisplay';
		var obj = trackData.track;
		var load = function(){
			var src = $.prop(track, 'src');
			var error;
			var ajax;
			if(obj.mode != 'disabled' && src && $.attr(track, 'src')){
				$(mediaelem).unbind(loadEvents, load);
				$(track).unbind('checktrackmode', load);
				if(!obj.readyState){
					error = function(){
						obj.readyState = 3;
						obj.cues = null;
						obj.activeCues = obj.shimActiveCues = obj._shimActiveCues = null;
						$(track).triggerHandler('error');
					};
					obj.readyState = 1;
					try {
						obj.cues = mediaelement.createCueList();
						obj.activeCues = obj.shimActiveCues = obj._shimActiveCues = mediaelement.createCueList();
						ajax = $.ajax({
							dataType: 'text',
							url: src,
							success: function(text){
								if(ajax.getResponseHeader('content-type') != 'text/vtt'){
									webshims.error('set the mime-type of your WebVTT files to text/vtt. see: http://dev.w3.org/html5/webvtt/#text/vtt');
								}
								mediaelement.parseCaptions(text, obj, function(cues){
									if(cues && 'length' in cues){
										obj.readyState = 2;
										$(track).triggerHandler('load');
										$(mediaelem).triggerHandler('updatetrackdisplay');
									} else {
										error();
									}
								});
								
							},
							error: error
						});
					} catch(er){
						error();
						webshims.warn(er);
					}
				}
			}
		};
		obj.readyState = 0;
		obj.shimActiveCues = null;
		obj._shimActiveCues = null;
		obj.activeCues = null;
		obj.cues = null;
		$(mediaelem).unbind(loadEvents, load);
		$(track).unbind('checktrackmode', load);
		$(mediaelem).on(loadEvents, load);
		$(track).on('checktrackmode', load);
		if(_default){
			obj.mode = showTracks[obj.kind] ? 'showing' : 'hidden';
			load();
		}
	};
	
	mediaelement.createTextTrack = function(mediaelem, track){
		var obj, trackData;
		if(track.nodeName){
			trackData = webshims.data(track, 'trackData');
			
			if(trackData){
				refreshTrack(track, trackData);
				obj = trackData.track;
			}
		}
		
		if(!obj){
			obj = createEventTarget(webshims.objectCreate(textTrackProto));
			
			if(!supportTrackMod){
				copyProps.forEach(function(copyProp){
					var prop = $.prop(track, copyProp);
					if(prop){
						obj[copyName[copyProp] || copyProp] = prop;
					}
				});
			}
			
			
			if(track.nodeName){
				
				if(supportTrackMod){
					copyProps.forEach(function(copyProp){
						webshims.defineProperty(obj, copyName[copyProp] || copyProp, {
							get: function(){
								return $.prop(track, copyProp);
							}
						});
					});
				}
				
				trackData = webshims.data(track, 'trackData', {track: obj});
				mediaelement.loadTextTrack(mediaelem, track, trackData, ($.prop(track, 'default') && $(track).siblings('track[default]').andSelf()[0] == track));
			} else {
				if(supportTrackMod){
					copyProps.forEach(function(copyProp){
						webshims.defineProperty(obj, copyName[copyProp] || copyProp, {
							value: track[copyProp],
							writeable: false
						});
					});
				}
				obj.cues = mediaelement.createCueList();
				obj.activeCues = obj._shimActiveCues = obj.shimActiveCues = mediaelement.createCueList();
				obj.mode = 'hidden';
				obj.readyState = 2;
			}
		}
		return obj;
	};
	
	
/*
taken from:
Captionator 0.5.1 [CaptionCrunch]
Christopher Giffard, 2011
Share and enjoy

https://github.com/cgiffard/Captionator

modified for webshims
*/
	mediaelement.parseCaptionChunk = (function(){
		// Set up timestamp parsers
		var WebVTTTimestampParser			= /^(\d{2})?:?(\d{2}):(\d{2})\.(\d+)\s+\-\-\>\s+(\d{2})?:?(\d{2}):(\d{2})\.(\d+)\s*(.*)/;
		var GoogleTimestampParser		= /^([\d\.]+)\s+\+([\d\.]+)\s*(.*)/;
		var WebVTTDEFAULTSCueParser		= /^(DEFAULTS|DEFAULT)\s+\-\-\>\s+(.*)/g;
		var WebVTTSTYLECueParser		= /^(STYLE|STYLES)\s+\-\-\>\s*\n([\s\S]*)/g;
		var WebVTTCOMMENTCueParser		= /^(COMMENT|COMMENTS)\s+\-\-\>\s+(.*)/g;
		
		return function(subtitleElement,objectCount){
			var cueDefaults = [];
		
			var subtitleParts, timeIn, timeOut, html, timeData, subtitlePartIndex, cueSettings = "", id, specialCueData;
			var timestampMatch, tmpCue;

			// WebVTT Special Cue Logic
			if ((specialCueData = WebVTTDEFAULTSCueParser.exec(subtitleElement))) {
//				cueDefaults = specialCueData.slice(2).join("");
//				cueDefaults = cueDefaults.split(/\s+/g).filter(function(def) { return def && !!def.length; });
				return null;
			} else if ((specialCueData = WebVTTSTYLECueParser.exec(subtitleElement))) {
				return null;
			} else if ((specialCueData = WebVTTCOMMENTCueParser.exec(subtitleElement))) {
				return null; // At this stage, we don't want to do anything with these.
			}
			
			subtitleParts = subtitleElement.split(/\n/g);
		
			// Trim off any blank lines (logically, should only be max. one, but loop to be sure)
			while (!subtitleParts[0].replace(/\s+/ig,"").length && subtitleParts.length > 0) {
				subtitleParts.shift();
			}
		
			if (subtitleParts[0].match(/^\s*[a-z0-9-\_]+\s*$/ig)) {
				// The identifier becomes the cue ID (when *we* load the cues from file. Programatically created cues can have an ID of whatever.)
				id = String(subtitleParts.shift().replace(/\s*/ig,""));
			}
		
			for (subtitlePartIndex = 0; subtitlePartIndex < subtitleParts.length; subtitlePartIndex ++) {
				var timestamp = subtitleParts[subtitlePartIndex];
				
				if ((timestampMatch = WebVTTTimestampParser.exec(timestamp))) {
					
					// WebVTT
					
					timeData = timestampMatch.slice(1);
					
					timeIn =	parseInt((timeData[0]||0) * 60 * 60,10) +	// Hours
								parseInt((timeData[1]||0) * 60,10) +		// Minutes
								parseInt((timeData[2]||0),10) +				// Seconds
								parseFloat("0." + (timeData[3]||0));		// MS
					
					timeOut =	parseInt((timeData[4]||0) * 60 * 60,10) +	// Hours
								parseInt((timeData[5]||0) * 60,10) +		// Minutes
								parseInt((timeData[6]||0),10) +				// Seconds
								parseFloat("0." + (timeData[7]||0));		// MS
/*
					if (timeData[8]) {
						cueSettings = timeData[8];
					}
*/
				}
				
				// We've got the timestamp - return all the other unmatched lines as the raw subtitle data
				subtitleParts = subtitleParts.slice(0,subtitlePartIndex).concat(subtitleParts.slice(subtitlePartIndex+1));
				break;
			}

			if (!timeIn && !timeOut) {
				// We didn't extract any time information. Assume the cue is invalid!
				webshims.warn("couldn't extract time information: "+[timeIn, timeOut, subtitleParts.join("\n"), id].join(' ; '));
				return null;
			}
/*
			// Consolidate cue settings, convert defaults to object
			var compositeCueSettings =
				cueDefaults
					.reduce(function(previous,current,index,array){
						previous[current.split(":")[0]] = current.split(":")[1];
						return previous;
					},{});
			
			// Loop through cue settings, replace defaults with cue specific settings if they exist
			compositeCueSettings =
				cueSettings
					.split(/\s+/g)
					.filter(function(set) { return set && !!set.length; })
					// Convert array to a key/val object
					.reduce(function(previous,current,index,array){
						previous[current.split(":")[0]] = current.split(":")[1];
						return previous;
					},compositeCueSettings);
			
			// Turn back into string like the TextTrackCue constructor expects
			cueSettings = "";
			for (var key in compositeCueSettings) {
				if (compositeCueSettings.hasOwnProperty(key)) {
					cueSettings += !!cueSettings.length ? " " : "";
					cueSettings += key + ":" + compositeCueSettings[key];
				}
			}
*/
			// The remaining lines are the subtitle payload itself (after removing an ID if present, and the time);
			html = subtitleParts.join("\n");
			tmpCue = new TextTrackCue(timeIn, timeOut, html);
			if(id){
				tmpCue.id = id;
			}
			return tmpCue;
		};
	})();
	
	mediaelement.parseCaptions = function(captionData, track, complete) {
		var subtitles = mediaelement.createCueList();
		var cue, lazyProcess, regWevVTT;
		var startDate;
		var isWEBVTT;
		if (captionData) {
			
			regWevVTT = /^WEBVTT(\s*FILE)?/ig;
			
			lazyProcess = function(i, len){
				
				for(; i < len; i++){
					cue = captionData[i];
					if(regWevVTT.test(cue)){
						isWEBVTT = true;
					} else if(cue.replace(/\s*/ig,"").length){
						if(!isWEBVTT){
							webshims.error('please use WebVTT format. This is the standard');
							complete(null);
							break;
						}
						cue = mediaelement.parseCaptionChunk(cue, i);
						if(cue){
							track.addCue(cue);
						}
					}
					if(startDate < (new Date().getTime()) - 30){
						i++;
						setTimeout(function(){
							startDate = new Date().getTime();
							lazyProcess(i, len);
						}, 90);
						
						break;
					}
				}
				if(i >= len){
					if(!isWEBVTT){
						webshims.error('please use WebVTT format. This is the standard');
					}
					complete(track.cues);
				}
			};
			
			captionData = captionData.replace(/\r\n/g,"\n");
			
			setTimeout(function(){
				captionData = captionData.replace(/\r/g,"\n");
				setTimeout(function(){
					startDate = new Date().getTime();
					captionData = captionData.split(/\n\n+/g);
					lazyProcess(0, captionData.length);
				}, 9);
			}, 9);
			
		} else {
			webshims.error("Required parameter captionData not supplied.");
		}
	};
	
	
	mediaelement.createTrackList = function(mediaelem, baseData){
		baseData = baseData || webshims.data(mediaelem, 'mediaelementBase') || webshims.data(mediaelem, 'mediaelementBase', {});
		if(!baseData.textTracks){
			baseData.textTracks = [];
			webshims.defineProperties(baseData.textTracks, {
				onaddtrack: {value: null},
				onremovetrack: {value: null}
			});
			createEventTarget(baseData.textTracks);
		}
		return baseData.textTracks;
	};
	
	if(!Modernizr.track){
		webshims.defineNodeNamesBooleanProperty(['track'], 'default');
		webshims.reflectProperties(['track'], ['srclang', 'label']);
		
		webshims.defineNodeNameProperties('track', {
			src: {
				//attr: {},
				reflect: true,
				propType: 'src'
			}
		});
	}
	
	webshims.defineNodeNameProperties('track', {
		kind: {
			attr: Modernizr.track ? {
				set: function(value){
					var trackData = webshims.data(this, 'trackData');
					this.setAttribute('data-kind', value);
					if(trackData){
						trackData.attrKind = value;
					}
				},
				get: function(){
					var trackData = webshims.data(this, 'trackData');
					if(trackData && ('attrKind' in trackData)){
						return trackData.attrKind;
					}
					return this.getAttribute('kind');
				}
			} : {},
			reflect: true,
			propType: 'enumarated',
			defaultValue: 'subtitles',
			limitedTo: ['subtitles', 'captions', 'descriptions', 'chapters', 'metadata']
		}
	});
	
	$.each(copyProps, function(i, copyProp){
		var name = copyName[copyProp] || copyProp;
		webshims.onNodeNamesPropertyModify('track', copyProp, function(){
			var trackData = webshims.data(this, 'trackData');
			var track = this;
			if(trackData){
				if(copyProp == 'kind'){
					refreshTrack(this, trackData);
				}
				if(!supportTrackMod){
					trackData.track[name] = $.prop(this, copyProp);
				}
				clearTimeout(trackData.changedTrackPropTimer);
				trackData.changedTrackPropTimer = setTimeout(function(){
					$(track).trigger('updatesubtitlestate');
				}, 1); 
			}
		});
	});		
	
	
	webshims.onNodeNamesPropertyModify('track', 'src', function(val){
		if(val){
			var data = webshims.data(this, 'trackData');
			var media;
			if(data){
				media = $(this).closest('video, audio');
				if(media[0]){
					mediaelement.loadTextTrack(media, this, data);
				}
			}
		}
		
	});
	
	//
	
	webshims.defineNodeNamesProperties(['track'], {
		ERROR: {
			value: 3
		},
		LOADED: {
			value: 2
		},
		LOADING: {
			value: 1
		},
		NONE: {
			value: 0
		},
		readyState: {
			get: function(){
				return ($.prop(this, 'track') || {readyState: 0}).readyState;
			},
			writeable: false
		},
		track: {
			get: function(){
				return mediaelement.createTextTrack($(this).closest('audio, video')[0], this);
			},
			writeable: false
		}
	}, 'prop');
	
	webshims.defineNodeNamesProperties(['audio', 'video'], {
		textTracks: {
			get: function(){
				var media = this;
				var baseData = webshims.data(media, 'mediaelementBase') || webshims.data(media, 'mediaelementBase', {});
				var tracks = mediaelement.createTrackList(media, baseData);
				if(!baseData.blockTrackListUpdate){
					updateMediaTrackList.call(media, baseData, tracks);
				}
				return tracks;
			},
			writeable: false
		},
		addTextTrack: {
			value: function(kind, label, lang){
				var textTrack = mediaelement.createTextTrack(this, {
					kind: dummyTrack.prop('kind', kind || '').prop('kind'),
					label: label || '',
					srclang: lang || ''
				});
				var baseData = webshims.data(this, 'mediaelementBase') || webshims.data(this, 'mediaelementBase', {});
				if (!baseData.scriptedTextTracks) {
					baseData.scriptedTextTracks = [];
				}
				baseData.scriptedTextTracks.push(textTrack);
				updateMediaTrackList.call(this);
				return textTrack;
			}
		}
	}, 'prop');

	
	$(document).on('emptied ended updatetracklist', function(e){
		if($(e.target).is('audio, video')){
			var baseData = webshims.data(e.target, 'mediaelementBase');
			if(baseData){
				clearTimeout(baseData.updateTrackListTimer);
				baseData.updateTrackListTimer = setTimeout(function(){
					updateMediaTrackList.call(e.target, baseData);
				}, 0);
			}
		}
	});
	
	var getNativeReadyState = function(trackElem, textTrack){
		return textTrack.readyState || trackElem.readyState;
	};
	
	webshims.addReady(function(context, insertedElement){
		var insertedMedia = insertedElement.filter('video, audio, track').closest('audio, video');
		$('video, audio', context)
			.add(insertedMedia)
			.each(function(){
				updateMediaTrackList.call(this);
			})
			.each(function(){
				if(Modernizr.track){
					var shimedTextTracks = $.prop(this, 'textTracks');
					var origTextTracks = this.textTracks;
					if(shimedTextTracks.length != origTextTracks.length){
						webshims.error("textTracks couldn't be copied");
					}
					
					$('track', this)
						.each(function(){
							var shimedTrack = $.prop(this, 'track');
							var origTrack = this.track;
							var kind;
							var readyState;
							if(origTrack){
								kind = $.prop(this, 'kind');
								readyState = getNativeReadyState(this, origTrack);
								if (origTrack.mode || readyState) {
									shimedTrack.mode = numericModes[origTrack.mode] || origTrack.mode;
								}
								//disable track from showing + remove UI
								if(kind != 'descriptions'){
									origTrack.mode = (typeof origTrack.mode == 'string') ? 'disabled' : 0;
									this.kind = 'metadata';
									$(this).attr({kind: kind});
								}
								
							}
						})
						.on('load error', function(e){
							if(e.originalEvent){
								e.stopImmediatePropagation();
							}
						})
					;
				}
			})
		;
		insertedMedia.each(function(){
			var media = this;
			var baseData = webshims.data(media, 'mediaelementBase');
			if(baseData){
				clearTimeout(baseData.updateTrackListTimer);
				baseData.updateTrackListTimer = setTimeout(function(){
					updateMediaTrackList.call(media, baseData);
				}, 9);
			}
		});
	});
	
	if(Modernizr.track){
		$('video, audio').trigger('trackapichange');
	}
});