function popUp(URL, myHeight, myWidth)
{
	day = new Date();
	id = day.getTime();
	myLeft = (screen.width-myWidth)/2;
	myTop = (screen.height-myHeight)/2;
	//myHeight=400;
	//myWidth=400;
	window.open(URL, "Loading"+id, 'top='+myTop+',left='+myLeft+'+,toolbar=0 status=0,resizable=0,Width='+myWidth+',height='+myHeight+',scrollbars=1');
}