lib/leaflet/src/layer/marker/Icon.js in leaflet-js-0.6.beta4 vs lib/leaflet/src/layer/marker/Icon.js in leaflet-js-0.7.0

@@ -8,11 +8,11 @@
 		iconUrl: (String) (required)
 		iconRetinaUrl: (String) (optional, used for retina devices if detected)
 		iconSize: (Point) (can be set through CSS)
 		iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
 		popupAnchor: (Point) (if not specified, popup opens in the anchor point)
-		shadowUrl: (Point) (no shadow by default)
+		shadowUrl: (String) (no shadow by default)
 		shadowRetinaUrl: (String) (optional, used for retina devices if detected)
 		shadowSize: (Point)
 		shadowAnchor: (Point)
 		*/
 		className: ''
@@ -20,29 +20,34 @@
 
 	initialize: function (options) {
 		L.setOptions(this, options);
 	},
 
-	createIcon: function () {
-		return this._createIcon('icon');
+	createIcon: function (oldIcon) {
+		return this._createIcon('icon', oldIcon);
 	},
 
-	createShadow: function () {
-		return this._createIcon('shadow');
+	createShadow: function (oldIcon) {
+		return this._createIcon('shadow', oldIcon);
 	},
 
-	_createIcon: function (name) {
+	_createIcon: function (name, oldIcon) {
 		var src = this._getIconUrl(name);
 
 		if (!src) {
 			if (name === 'icon') {
 				throw new Error('iconUrl not set in Icon options (see the docs).');
 			}
 			return null;
 		}
 
-		var img = this._createImg(src);
+		var img;
+		if (!oldIcon || oldIcon.tagName !== 'IMG') {
+			img = this._createImg(src);
+		} else {
+			img = this._createImg(src, oldIcon);
+		}
 		this._setIconStyles(img, name);
 
 		return img;
 	},
 
@@ -72,20 +77,12 @@
 			img.style.width  = size.x + 'px';
 			img.style.height = size.y + 'px';
 		}
 	},
 
-	_createImg: function (src) {
-		var el;
-
-		if (!L.Browser.ie6) {
-			el = document.createElement('img');
-			el.src = src;
-		} else {
-			el = document.createElement('div');
-			el.style.filter =
-			        'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
-		}
+	_createImg: function (src, el) {
+		el = el || document.createElement('img');
+		el.src = src;
 		return el;
 	},
 
 	_getIconUrl: function (name) {
 		if (L.Browser.retina && this.options[name + 'RetinaUrl']) {