// JavaScript Document

function checkuser()
{
	if(document.frmregisters.User_Name.value!='')
	{
		
		http.open("GET", "user_check.php?user=" + escape(document.frmregisters.User_Name.value), true);
		http.onreadystatechange = handleHttpResponse_1s;
		http.send(null);
	}
}

function checkuser_edit()
{
	if(document.frmregisters.User_Name.value!='')
	{
		http.open("GET", "user_check.php?user_edit=" + escape(document.frmregisters.User_Name.value), true);
		http.onreadystatechange = handleHttpResponse_1s;
		http.send(null);
	}
}


function handleHttpResponse_1s() 
{
  if (http.readyState == 4) 
  {  
	 //results = http.responseText;
	results = http.responseText.split("*");
	if(results[1]==777)
	{
		alert("User Name "+results[0]+" is unavailable");
		document.frmregisters.User_Name.focus();
		return false;
	}
	
  }
}

function getHTTPObject() 
{
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
  try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject();