var xmlHttp;

function GetXmlHttpObject()
{
 
  try
    {
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp;
}

// Function for checking avaibility of User name
function SubmitUser()
{
	var name = document.getElementById("txtuserName").value;
	
	if(name == 0)
	{	
		alert("Please Specify User name.");
		return;
	}
	
	xmlHttp=GetXmlHttpObject();
	
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="getUser.php?uname="+name;
	
	xmlHttp.onreadystatechange=getUser;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);	
}


// Function for checking avaibility of User name
function getUser()
{	
	if (xmlHttp.readyState==4)
	{ 	
		var str12 = xmlHttp.responseText;
		if(str12 == "Exists")
		{
			document.getElementById('UnameFound').style.display="";
			document.getElementById('UnameNotFound').style.display="none";	
			document.signupform.txtuserName.value = "";
		}
		else
		{
			document.getElementById('UnameNotFound').style.display="";
			document.getElementById('UnameFound').style.display="none";	
			
		}
	}	
}

function SubmitPass()
{
	
	var name = document.getElementById("txtusername").value;
	var que = document.getElementById("secret_question").value;
	var ans = document.getElementById("txtsecretanswer").value;
	
	if(name == "")
	{	
		return;
	}
	xmlHttp=GetXmlHttpObject();
	
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="getPass.php?uname='"+name+"'&que="+que+"&ans='"+ans+"'";
	
	
	xmlHttp.onreadystatechange=getPass;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);	
}


// Function for checking avaibility of User name
function getPass()
{	
	if (xmlHttp.readyState==4)
	{ 	
		var str123 = xmlHttp.responseText;

		if(str123 == "InValid")
		{
			
			document.getElementById('Invalid').style.visibility="visible";
			
			document.forgotpass.txtusername.value = "";
			document.forgotpass.secret_question.value = "";
			document.forgotpass.txtsecretanswer.value = "";
		}
		
	}	
}