function openCaseStudy(num)
{
  var cstudy = "/swf/swfDriver.php?run="+num;
  window.caseNum = num;
  window.open(cstudy,'case_study','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=680,height=560');
}

function markCompleted(num)
{
  document.getElementById(num).src='/images/swfThumbnailComp.jpg';
  document.getElementById("hidden"+num).value = "1";
}

function validateCaseStudies(form)
{
  // Check for bypass element
  for(var j = 0; j < form.elements.length; j++)
  {
    var elem = form.elements[j];
    if(elem.type == "hidden" && elem.name == "all_completed" && elem.value == "1")
    {
      return true;
    }
  }
  for(var i = 0; i < form.elements.length; i++)
  {
    var elem = form.elements[i];
    if(elem.type == "hidden" && elem.name == "completed" && elem.value != "1")
    {
      alert("You must correctly complete all case studies on this page before continuing.");
      return false;
    }
  }
  return true;
}