var xmlHttp
//1
function showUsername(str,str3)
{ 
document.getElementById('txtHint3').className='ajax_load_process';

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 


//var url="http://localhost/mylearningfriend/jslib/ajax_file/validate_dup.php";

var url="http://192.168.1.101/eduwebdb2/cdms/js/validate_dup.php";
url=url+"?q="+str+"&q3="+str3+"";
url=url+"&act=checkUser";
//url=url+"&sid="+Math.random();
//alert(url);
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint3").innerHTML=xmlHttp.responseText;
document.getElementById('txtHint3').className='';
}
}


//2
function showEmail(str,str2,str3)
{ 
document.getElementById('txtHint4').value='';
document.getElementById('txtHint4').className='ajax_load_process';
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 


//var url="http://localhost/mylearningfriend/jslib/ajax_file/validate_dup.php";
var url="http://192.168.1.101/eduwebdb2/cdms/js/validate_dup.php";


url=url+"?q="+str+"&q2="+str2+"&q3="+str3+"";
url=url+"&act=checkMail";
//url=url+"&sid="+Math.random();
//alert(url);
xmlHttp.onreadystatechange=stateChanged2;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged2() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint4").innerHTML=xmlHttp.responseText;
document.getElementById('txtHint4').className='';
}
}


//3
function showSecurity(str)
{ 
document.getElementById('txtHint5').className='ajax_load_process';
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 


//var url="http://localhost/mylearningfriend/jslib/ajax_file/validate_dup.php";
var url="http://192.168.1.101/eduwebdb2/cdms/js/validate_dup.php";


url=url+"?q="+str;
url=url+"&act=checkSec";
//url=url+"&sid="+Math.random();
//alert(url);
xmlHttp.onreadystatechange=stateChanged3;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged3() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint5").innerHTML=xmlHttp.responseText;
document.getElementById('txtHint5').className='';
}
}


function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}