function showImage(pass,img_name)
      {
         var myimage = document.getElementsByTagName('img');
     
         for(i=0; i<myimage.length; i++)
         {
            if(myimage[i].id.match('img1'))
               myimage[i].src = 'Images/Tab.png';
            else if(myimage[i].id.match('img2'))
               myimage[i].src = 'Images/Tab.png';
               else if(myimage[i].id.match('img3'))
               myimage[i].src = 'Images/Tab.png';
         }    
         if(img_name != 'img0')
         {
            for(i=0; i<myimage.length; i++)
            {  
               if(myimage[i].id.match(img_name))
               {
                  if (document.getElementById) // DOM3 = IE5, NS6
                     myimage[i].src = 'Images/pointer.png';
                  else if (document.layers) // Netscape 4
                     document.layers[myimage[i]].src = 'Images/pointer.png';
                  else // IE 4
                     document.all.myimage[i].src = 'Images/pointer.png';
               }
            }
         }
      }
      
    function hideImage()
    {
         var myimage = document.getElementsByTagName('img');
     
         for(i=0; i<myimage.length; i++)
         {
            if(myimage[i].id.match('img1'))
               myimage[i].src = 'Images/Tab.png';
            else if(myimage[i].id.match('img2'))
               myimage[i].src = 'Images/Tab.png';
            else if(myimage[i].id.match('img3'))
               myimage[i].src = 'Images/Tab.png';
         }  
       }
    function RefVisitorInfo()
    {
       window.open('RefVisitorInfo.aspx',null,'left=100, top=10, height=400, width= 500, status=no, resizable= no, scrollbars=no, toolbar= no,location= no, menubar= no');
    }