function JS(menu,image) {
   nameDiv=eval("document.getElementById(menu)");
   myimage=eval("document.getElementById(image)");
   if(nameDiv.style.display=='none')
   {
   nameDiv.style.display='block';
   myimage.src='images/minus.jpg';
   }
   else
   {
   nameDiv.style.display='none';
   myimage.src='images/plus.jpg';
   }
}