锘縡unction layer_show(title, url, w, h)
{
	if (title == null || title == '')
	{
		title = false;
	};
	if (url == null || url == '')
	{
		url = "404.html";
	};
	if (w == null || w == '')
	{
		w = 800;
	};
	if (h == null || h == '')
	{
		h = ($(window).height() - 50);
	};
	layer.open({
		type: 2,
		area: [w + 'px', h + 'px'],
		fix: true, //涓嶅浐瀹
		maxmin: false,
		shade: 0.4,
		title: title,
		content: url
	});
}
/*鍏抽棴寮瑰嚭妗嗗彛*/
function layer_close()
{
	layer.closeAll();
}