function popupImage(imagename,imagewidth,imageheight,imageleft,imagetop,scroll) {
   apopup=window.open(imagename,'jsppopupimage','toolbar=no,location=no,directories=no,status=no,scrollbars='+scroll+',resizable=yes,copyhistory=no,left='+(imageleft+20)+',top='+(imagetop+20)+',width='+(imagewidth+20)+',height='+(imageheight+30));
}