function openintro(pophref){
	window.open(pophref,'popup','toolbar=no,menubar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width=740,height=445');
	//var pop = window.open(pophref,'popup','toolbar=no,menubar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width=740,height=445');
	//var SCRwidth  = (window.screen.width-740)/2;
	//var SCRheight = (window.screen.height-445)/2;
	//pop.moveTo(SCRwidth, SCRheight);
	//pop.focus();
}