function ajaxSearch()
  {
  var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
    
    xmlHttp.onreadystatechange=function()
      {
      	document.getElementById('loadImg').style.display='block';
      if(xmlHttp.readyState==4)
        {
        document.getElementById('searchContent').innerHTML=xmlHttp.responseText;
        document.getElementById('loadImg').style.display='none';
        }
      }
      var urlString = document.getElementById('searchElement').value;
    xmlHttp.open("POST",'index.php?c_=BetoSearch&m_=showSearchResult&searchstring=' + urlString,true);
    xmlHttp.send(null);
    
  }