function show_mus()
  {
     if (hidden.style.display == "none")
      {
         hidden.style.display = ""
       }
       else
      {
        hidden.style.display = "none"
       }
    }

  function show_mp3()
  {
     if (hidden3.style.display == "none")
      {
         hidden3.style.display = ""
       }
       else
      {
        hidden3.style.display = "none"
       }
    }

  function show_3gp()
  {
     if (hidden4.style.display == "none")
      {
         hidden4.style.display = ""
       }
       else
      {
        hidden4.style.display = "none"
       }
    }

    function show_sms()
  {
     if (hidden1.style.display == "none")
      {
         hidden1.style.display = ""
       }
       else
      {
        hidden1.style.display = "none"
       }
    }

function show_top()
  {
     if (hidden2.style.display == "none")
      {
         hidden2.style.display = ""
       }
       else
      {
        hidden2.style.display = "none"
       }
    }

   function popup_im(ref){
         window.open('view.php?file='+ref,'preview','status=no,scrollbars=no,resizable=no,width=200,height=400')
    }
    
function sm(name)
{
form1.text.value=form1.text.value+' :'+name+': ';
}