// Æ˾÷
function open_popup(url, wid, hei, scroll, winName)
{
	var url = url;
	var posi = "width="+ wid +",height="+hei+",toolbar=no,location=no,status=no,menubar=no,top=10,left=50,scrollbars=" + scroll +",resizable=no" ;
	if (winName == "")
	{
		winName = popup;
	}
	window.open(url,winName,posi);
}