standardFeatures = "toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,titlebar=no,";
screenWidth=screen.availWidth;
screenHeight=screen.availHeight;
function openCenteredWindow(theURL, winName, w, h) {	
	var x = screenWidth/2 - w/2;
	var y = screenHeight/2 - h/2;
	if (document.layers) {
		myWindow=window.open(theURL,winName,standardFeatures+'innerWidth='+w+',innerHeight='+h+',screenX='+x+',screenY='+y);
	} else {
		myWindow=window.open(theURL,winName,standardFeatures+'width='+w+',height='+h);
		setTimeout('myWindow.moveTo('+x+','+y+'+35)',500);
	}
	myWindow.focus();
}