function toggle( targetId ){
  if (document.getElementById){
        target = document.getElementById( targetId );
           if (target.style.display == "none"){
              target.style.display = "";
           } else {
              target.style.display = "none";
           }
     }
}

function toggle2( item ){
obj=document.getElementsByName(item); 
   for (i=0;i<obj.length;i++) { 
       visible=(obj[i].style.display!="none") 
       if (visible) { 
         obj[i].style.display="none"; 
       } else { 
          obj[i].style.display="block"; 
       } 
    } 
}