function centerPopup(strUrl,intWidth,intHeight){ 
	var int_windowLeft = (screen.width - intWidth) / 2;
	var int_windowTop = (screen.height - intHeight) / 2;
	javascript:window.open(strUrl,'_blank','height=' + intHeight +',width='+intWidth +',status=no,titlebar=no,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=1,top=0,left=0,top=' + int_windowTop + ',left='+int_windowLeft )
}