// JavaScript Document

function getStyle()
   {
      var temp = document.getElementById("noXmas").style.visibility;
  
      return temp;
   }

 function switchMain()
  {

      var current = getStyle();

      if( current == "visible" )
       {
         document.getElementById("noXmas").style.visibility = "hidden";
       }
       else
       {
         document.getElementById("noXmas").style.visibility = "visible";
       }
  }