function popupWindow(URLtoOpen,windowName,height,width,resize,address)
{
	resize = resize?"yes":"no";
	address = address?"yes":"no";
	windowFeatures = "menubar=no,scrollbars=yes,location=no,favorites=no,resizable="+resize+",status=no,toolbar=no,directories=no,address="+address;
	winLeft = (screen.width-width)/2;
	winTop = (screen.height-(height+110))/2;
	return window.open(URLtoOpen,windowName,"width=" + width +",height=" + height + ",left=" + winLeft + ",top=" + winTop + "," + windowFeatures);
}