// Function to swap images
          var imagenumber = 11 ;
          var randomnumber = Math.random() ;
          var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
          images = new Array
          images[1] = "http://www.library.ucla.edu/images/topleftpic_1.jpg"
          images[2] = "http://www.library.ucla.edu/images/topleftpic_2.jpg"
          images[3] = "http://www.library.ucla.edu/images/topleftpic_3.jpg"
          images[4] = "http://www.library.ucla.edu/images/topleftpic_4.jpg"
          images[5] = "http://www.library.ucla.edu/images/topleftpic_5.jpg"
          images[6] = "http://www.library.ucla.edu/images/topleftpic_6.jpg"
          images[7] = "http://www.library.ucla.edu/images/topleftpic_7.jpg"
          images[8] = "http://www.library.ucla.edu/images/topleftpic_8.jpg"
          images[9] = "http://www.library.ucla.edu/images/topleftpic_9.jpg"
          images[10] = "http://www.library.ucla.edu/images/topleftpic_10.jpg"
          images[11] = "http://www.library.ucla.edu/images/topleftpic_11.jpg"
          var image = images[rand1]
// End -->

// Function to popup help windows on home page

function popupHelp(name) {
_loc = '../help/' + name + '.html';
popupsWin = window.open(_loc,"PSpopups","toolbar=no,width=500,height=500,scrollbars=yes,resizable=no");
if (popupsWin.opener == null) { popupsWin.opener = self }
} 
// End -->

// Function close popup window on link click
function ChangeParentDocument(url) {
            opener.location = url;
			window.self.close();
          }
// End -->


// Function close popup window
function CloseWindow() {
			window.self.close();
          }
// End -->


// Function to submit form with return key
  var isNav, isIE

  if (parseInt(navigator.appVersion) >= 4) {
    if (navigator.appName == "Netscape")
      isNav = true
    else
      isIE = true
  }

  function showKeyValue(evt) {
    var keyValue

    if (isNav) 
      keyValue = evt.which
    else
      keyValue = window.event.keyCode

    /*status = keyValue*/
          
    if (keyValue == 13) {
      /*alert(keyValue)*/
      javascript:document.login.submit();
    }
    return false
  }
// End -->