function showUser(str)
{
    
    var year = str.substr(0,4);
    var month = str.substr(5,2);
    var day = str.substr(8,2);
    
    var page = year + '/' + month + '/' + day + '/pages/' + day + '_' + month + '_' + year + '_001.html';
    
if (str=="")
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  } 
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("testFrame").src = page;
    document.getElementById("cmb_pagename").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","get_pagename.php?q="+str,true);
xmlhttp.send();
}