function WinOpen(url,width,height)
{
var left = (screen.width/2) - width/2;
var top = 25;
var styleStr = 'toolbar=no,location=no,directories=auto,status=no,menubar=no,scrollbars=no,resizable=no,z-lock=no,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
window.open(url,"", styleStr);
}