function popup(url, title) {
	height = 500;
 	helpWindow = window.open(url, title , 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=790,height=' + height + ',left='+((screen.availWidth/2)-(600/2))+'  '); 
 	helpWindow.focus();
 	return false;
}