function getElement(theName)
{
  if (document.all)
  {
    return document.all[theName];
  }
  else if (document.getElementById)
  {
    return document.getElementById(theName);
  }
  else
  {
    return document[theName];
  }
}

function getSelectedValue(theSelect)
{
  if (theSelect.selectedIndex < 0)
    return null;
  return theSelect.options[theSelect.selectedIndex].value;
}


function popup(page, name, width, height)
{
  popupWindow=window.open(page,name,"menubar=no,resizable=yes,scrollbars=yes,width=" + width + ",height=" + height);
  popupWindow.focus();
	popupWindow.opener = window;
}

function showExhibitor(exhibitorID)
{
  popup("http://www.picturehouse.org/exhibitor.php?exhibitorID=" + exhibitorID, 'exhibitor', 400, 450);
}