function popUp(popupURL)
{
width = 650; height = 670; leftPosition = (screen.width) ? (screen.width-width)/2 : 0;
if (screen.height && (screen.height <= 600)) { topPosition = 0; } else { topPosition = (screen.height) ? (screen.height-height)/2 : 0; }
var settings='width='+width+',height='+height+',left='+leftPosition+',top='+topPosition+'toolbar=0,location=0,directories=0,menubar=0,scrollbar=0,resizable=0,status=0';
var popup=window.open(popupURL, 'agitopopup', settings);
if (popup != null) popup.focus();
}