<script type="text/javascript">

function initialize(){ 

  var xmlHttp;
  try{
    xmlHttp = new XMLHttpRequest();    
  }catch (e){
    try{     
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");      
    }catch (e){      
      try{        
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");        
        }catch (e){
          alert("No ajax!");        
          return false;        
        }      
      }    
    }  
  }

function mail(){

initialize();

xmlHttp.onreadystatechange=function()
  {
  if(xmlHttp.readyState == 4)
    {
    document.getElementById("show_box").innerHTML = xmlHttp.responseText;
    }
  }

xmlHttp.open("GET","http://www.staticfire.co.uk/ajaxrequest.php?cmd=mail",true);
xmlHttp.send(null);

}

</script>