function openmax(url) {
    today = new Date();
    w = window.open('http://' + pdfurl + '/' + url,today.getTime(),
        'height=' + screen.availHeight
       + ',width=' + screen.availWidth
       + ',left=0,top=0'
       + ',toolbar=no');
    if (!w) {
      alert(nopopupinst);
    }
  }

function openmaxstraight(url) {
    today = new Date();
    w = window.open(url,today.getTime(),
        'height=' + screen.availHeight
       + ',width=' + screen.availWidth
       + ',left=0,top=0'
       + ',toolbar=no');
    if (!w) {
      alert(nopopupinst);
    }
  }