// JavaScript Document

var xmlHttp;
var idchange;   

function check(str,id) {
idchange = str;   
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="ajax/checkregister.php";
url=url+"?mode="+str;
url=url+"&value="+id;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

} 
 
 
function stateChanged() 
{ 
if (xmlHttp.readyState==1) {
document.getElementById(idchange).innerHTML="";
}
if (xmlHttp.readyState==4)
{ 

document.getElementById(idchange).innerHTML=xmlHttp.responseText;

}

}