// close and open popup
var theWin

function popup(theURL) {

	if(theWin == null || theWin.closed) {
		theWin = window.open(theURL, "theWin", "toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no,width=525,height=650,top=50,left=200");
	} else {
		theWin.close()
		theWin = window.open(theURL, "theWin", "toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no,width=525,height=650,top=50,left=200");
	}
	}
	
// hack to deal with image rollover flicker in IE
try {
  document.execCommand('BackgroundImageCache', false, true);
} catch(e) {}