function show_page(page){

$.post("test.php",{ page: page}, function(current_page_content){
  
    alert(current_page_content);
  
  });
 
  } 
  
  function gotoPage(page){
    document.getElementById('loader').style.visibility="visible";
    $.post("/index",{ page: page}, function(current_page_content){
       document.getElementById('index').innerHTML = current_page_content;
   });
    setTimeout('goPage()', 800);
    
  }   
 function goPage(){  
  
   document.getElementById('loader').style.visibility='hidden'; 
   }