var global_image;
function changeBgOver(obj,index){
      if(obj.style.backgroundImage != "url(/images/button_images/clicked/s"+(index+1)+"_h.gif)" ) 
      {
           obj.style.backgroundImage = "url(/images/button_images/s"+(index+1)+"_h.gif)";
           obj.getElementsByTagName("a")[0].style.color="#000000"; 
      }
            
      var undef;

      if(global_image != undef) 
      {
      document.getElementById("img"+(global_image+1)).style.display="none";
      }else
      {
      document.getElementById("img"+("1")).style.display="none";
      }
      document.getElementById("img"+(index+1)).style.display="block";
      global_image = index;
}


function changeBgOut(obj,index){
       if(obj.style.backgroundImage != "url(/images/button_images/clicked/s"+(index+1)+"_h.gif)" ) 
       {
          obj.style.backgroundImage = "url(/images/button_images/s"+(index+1)+"_sel.gif)";
          obj.getElementsByTagName("a")[0].style.color="#ffffff"; 
       }

}

function changeBgClick(obj,index){
      var undef;

      if(global_image != undef) 
      {
          document.getElementById("listers").getElementsByTagName("li")[global_image].style.backgroundImage =           "url(/images/button_images/s"+(global_image+1)+"_sel.gif)";
document.getElementById("listers").getElementsByTagName("li")[global_image].getElementsByTagName("a")[0].style.color="#ffffff";
      document.getElementById("img"+(global_image+1)).style.display="none";
      }else
      {
      document.getElementById("img"+("1")).style.display="none";
      }


document.getElementById("listers").getElementsByTagName("li")[index].getElementsByTagName("a")[0].style.color="#000000";
      document.getElementById("img"+(index+1)).style.display="block";
      obj.style.backgroundImage = "url(/images/button_images/clicked/s"+(index+1)+"_h.gif)";
      //obj.getElementsByTagName("a")[0].style.color="#000000";
      global_image = index;
}