function ShowOrHidden(id) {
    if(id=="1")
    {
        document.getElementById("1").style.display = "block";
        document.getElementById("2").style.display = "none";
        document.getElementById("3").style.display = "none";     
   }
   else  if (id == "2") {
       document.getElementById("2").style.display = "block";
       document.getElementById("1").style.display = "none";
       document.getElementById("3").style.display = "none";     
   }
   else  if (id == "3") {
       document.getElementById("3").style.display = "block";
       document.getElementById("1").style.display = "none";
       document.getElementById("2").style.display = "none";     
   }
 }