document.write("<script src=\"http://movie.580590.com/images/footad.js\" type=\"text/Jscript\"></script>");
var lib = {

	//删除一个元素
	remove: function (element)
	{
		element.parentNode.removeChild(element);
	},
	
	//取得一个对象的X坐标
	x: function (element)
	{
		var positionX = 0;
		while (element != null)
		{
			positionX += element.offsetLeft;
			element = element.offsetParent;
		}
		return positionX;
	},
	
	//取得一个对象的y坐标
	y: function (element)
	{
		var positionY = 0;
		while (element != null)
		{
			positionY += element.offsetTop;
			element = element.offsetParent;
		}
		return positionY;
	},

	//取得一个对象的width
	w: function (element)
	{
		return element.offsetWidth;
	}
}