function openPopup(url, x, y){
	var newwin;
	var windowFeatures = "width=" + x + ",height=" + y + ",scrollbars=yes,directories=no,location=no,menubar=no,resizable=yes,status=no,toolbar=no,left=0,top=0,screenX=0,screenY=0";
	newwin = window.open("", "popup", windowFeatures);
	newwin.location.href = url;
	newwin.focus();
}

function openPopupPosFix(url, wname, xa, ya, xb, yb){
	var newwin;
	var windowFeatures = "width=" + xa + ",height=" + ya + ",scrollbars=yes,directories=no,location=no,menubar=no,resizable=yes,status=no,toolbar=no,left=" + xb + ",top=" + yb + ",screenX=" + xb + ",screenY=" + yb;
	newwin = window.open("", wname, windowFeatures);
	newwin.location.href = url;
	newwin.focus();
}