public/rails_ext/rails_ext.js in rails-ext-0.2.7 vs public/rails_ext/rails_ext.js in rails-ext-0.2.8

@@ -87,14 +87,14 @@
 		}            
 		return id;
 	},
 
 	first: function(){
-		return $((this.size() > 0) ? this[0] : this)
+		return (this.size() > 0) ? $(this[0]) : null
 	},
 	
 	last: function(){
-		return $((this.size() > 0) ? this[this.size() - 1] : this)
+		return (this.size() > 0) ? $(this[this.size() - 1]) : null
 	},
 	
 	blank: function(){
 		return this.size() < 1
 	}
\ No newline at end of file