// JavaScript Document

var xmlHttp

function showHint(str)
{
if (str.length==0)
  { 
  document.getElementById("txtHint").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Browser does not support HTTP Request")
  return
  } 

var url="usernamehint.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true);
xmlHttp.send(null)
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
	//document.getElementById("txtHint1").innerHTML = ""

	status = xmlHttp.responseText;

	if (status==0)
	{
		document.getElementById("txtHint").innerHTML="not available pls. choose another username";
		document.frmusercreate.cont_step4.disabled = true;
		//alert('not available');
		document.frmusercreate.Kids_Login.focus();
	}
	if (status==1)
	{
		document.getElementById("txtHint").innerHTML="";
		document.frmusercreate.cont_step4.disabled = false;
	} 
 } 
 
 
}

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;
}

function disable_button()
{
	document.frmusercreate.cont_step4.disabled = true;
}