wPop=null;
function goPopup(sUrl,nWidth,nHeight,bScroll) {
if (wPop)
	wPop.close();
wPop=window.open(sUrl,null,"height="+nHeight+",width="+nWidth+",status=no,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars="+bScroll);
wPop.focus();
}