rem: if (this.webkit419) return this.innerWidth; if (this.opera) return document.body.clientWidth; 
add: if (Client.engine.webkit419) return this.innerWidth; if (Client.engine.opera) return document.body.clientWidth; 
context: 	getWidth: function(){		if (this.webkit419) return this.innerWidth;		if (this.opera) return document.body.clientWidth;		return document.documentElement.clientWidth;	},
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/db54fd2c189ed22d6be9e1d097dc31001ac7f994/Window.Size.js/buggy/Window/Window.Size.js