function firstLoading(){
      //hideDiv('wholepage');
//      write = setInterval("writeContent()",3000);
//      clearInterval(write);
      //showDiv("wholepage");
//window.setTimeout("alert('Hello, world')", 1000);
}
function hideDiv(id){
    document.getElementById(id).style.visibility = 'hidden';
//    document.getElementById(id).style.display = 'block';
}
function showDiv(id){
   document.getElementById(id).style.visibility = 'visible';
 //   document.getElementById(id).style.display = 'none';
}
function writeContent(){
    var content = "hello";
    document.write(content);
}