function toggle_visibility(o,id) {
      var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }

 function resettoggle() {
var Test = document.getElementsByTagName("div");
            for(var x=0; x<Test.length; x++) {
                  name = Test[x].getAttribute("name");
                  if (name == 'Test') {
                      
                        Test[x].style.display = 'none';
                  }
                  }
  
}



  
   
  
  function showonlyone(thechosenone) {
      var Test = document.getElementsByTagName("div");
            for(var x=0; x<Test.length; x++) {
                  name = Test[x].getAttribute("name");
                  if (name == 'Test') {
                        if (Test[x].id == thechosenone) {
                        Test[x].style.display = 'block';
                  }
                  else {
                        Test[x].style.display = 'none';
                  }
            }
      }
}