var zum=null;
function zoom(url)
{
if (zum && !zum.closed) {zum.close();}
return ! (zum=window.open(url,"zum","width=630,height=480,screenX=0,screenY=0,top=0,left=0,directories=no,menubar=no,scrollbars=no,status=no,toobar=no"));
zum.focus()
}

function zoom2(url,w,h)
{
if (zum && !zum.closed) {zum.close();}
return ! (zum=window.open(url,"zum","width="+w+",height="+h+",screenX=0,screenY=0,top=0,left=0,directories=no,menubar=no,scrollbars=no,status=no,toobar=no"));
zum.focus()
}