addLoadListener(swapImage);

function swapImage(){
  
  var links = getElementsByAttribute("class", "rollover");
  
  for (var i=0; i<links.length;i++){

     links[i].onmouseover = function(){
        var id = this.id;
        this.getElementsByTagName("img")[0].src = "/dira/cpdirect/cpdirectpublishing.nsf/AttachmentsBytitle/" + id + "_o.gif/$file/" + id + "_o.gif";
       
     }
  
     links[i].onmouseout = function(){ 
        var id = this.id;                
        if (this.parentNode.className.indexOf("navselected") == -1 ){   
              this.getElementsByTagName("img")[0].src = "/dira/cpdirect/cpdirectpublishing.nsf/AttachmentsBytitle/" + id + ".gif/$file/" + id + ".gif";  
        }              
       
    }

  }
}


function getElementsByAttribute(attribute, attributeValue)
{
  var elementArray = new Array();
  var matchedArray = new Array();

  if (document.all)
  {
    elementArray = document.all;
  }
  else
  {
    elementArray = document.getElementsByTagName("*");
  }

  for (var i = 0; i < elementArray.length; i++)
  {
    if (attribute == "class")
    {
      var pattern = new RegExp("(^| )" + attributeValue + "( |$)");

      if (elementArray[i].className.match(pattern))
      {
        matchedArray[matchedArray.length] = elementArray[i];
      }
    }
    else if (attribute == "for")
    {
      if (elementArray[i].getAttribute("htmlFor") || elementArray[i].getAttribute("for"))
      {
        if (elementArray[i].htmlFor == attributeValue)
        {
          matchedArray[matchedArray.length] = elementArray[i];
        }
      }
    }
    else if (elementArray[i].getAttribute(attribute) == attributeValue)
    {
      matchedArray[matchedArray.length] = elementArray[i];
    }
  }

  return matchedArray;
}



function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}