function popup_window(URL,WindowName) {
	iwidth=950;
	iheight=550;
	if (WindowName == 'glossary'){
		iwidth=450;
		iheight=250;
		}
		sOption = 'top=1,left=1,screenX=0,screenY=0,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,alwaysRaised=yes,copyhistory=no,width=' + iwidth + ',height=' + iheight; 
		whnd = window.open(URL,WindowName,sOption );
	whnd.focus();
}