startHighlight = function()
  {
    if (document.all && document.getElementById("DataGrid2"))
    {  
      navRoot = document.getElementById("DataGrid2");
      
      // Get a reference to the TBODY element 
      tbody = navRoot.childNodes[0];
      
      for (i = 1; i < tbody.childNodes.length; i++)
      {
        node = tbody.childNodes[i];
        if (node.nodeName == "TR")
        {
          node.onmouseover=function()
          {
            this.className = "over";                
          }
          
          node.onmouseout=function()
          {
            this.className = this.className.replace("over", "");
          }
        }
      }
    }
  }
  
  window.onload = startHighlight;