// JScript File
 function change_back_color(td_id,img1,img2)
{
   var x=td_id;
  document.getElementById(img1).style.display="none";
  document.getElementById(img2).style.display="block";
  // document.getElementById(x).style.position="absolute";
   //document.getElementById(x).background="img_website/meun_back_green.gif";
   //document.getElementById(x).background-repeat="repeat-x";

}

function change_back(td_id,img1,img2)
{
   var x=td_id;
   //document.getElementById(x).background="img_website/meun_back.gif";
  document.getElementById(img1).style.display="block";
  document.getElementById(img2).style.display="none";
   //document.getElementById(x).background-repeat="repeat-x";

}