function checkusername(txt)
{
	document.getElementById('userresp').innerHTML =  '<img src="ajax-loader.gif"/>'; 
	document.getElementById('userrow').style.display = 'none';

var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Your browser does not support AJAX!");
      return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
      {
		if (xmlHttp.responseText==1)
	  		{
			document.getElementById('userrow').style.display = 'none';
			document.getElementById('usermessage').innerHTML = '';
			document.getElementById('userresp').innerHTML = '<img src="accept.png"/>';
			}
		else if (xmlHttp.responseText==3)
	  		{
			document.getElementById('userrow').style.display = '';
			document.getElementById('usermessage').innerHTML = '<span class="error">Please input a username.</span>';
			document.getElementById('userresp').innerHTML = '<img src="delete.png"/>';
			}
		else
			{
			document.getElementById('userrow').style.display = '';
			document.getElementById('usermessage').innerHTML = '<span class="error">Username not available.</span>';
			document.getElementById('userresp').innerHTML = '<img src="delete.png"/>';
			}
		}
    }
	var url="checkusername.php";
	url=url+"?id="+txt;
			
     xmlHttp.open("GET",url,true);
     xmlHttp.send(null);

  }	
  
function checksponsor(txt)
{
	document.getElementById('sponsorresp').innerHTML =  '<img src="ajax-loader.gif"/>'; 
	document.getElementById('sponsorrow').style.display = 'none';

var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Your browser does not support AJAX!");
      return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
      {
		if (xmlHttp.responseText==1)
	  		{
			document.getElementById('sponsorname').innerHTML = '';
			document.getElementById('sponsorrow').style.display = '';
			document.getElementById('sponsormessage').innerHTML = '<span class="error">Invalid sponsor username.</span>';
			document.getElementById('sponsorresp').innerHTML = '<img src="delete.png"/>';
			}
		else if (xmlHttp.responseText==3)
	  		{
			document.getElementById('sponsorname').innerHTML = '';
			document.getElementById('sponsorrow').style.display = '';
			document.getElementById('sponsormessage').innerHTML = '<span class="error">Please input a sponsor username.</span>';
			document.getElementById('sponsorresp').innerHTML = '<img src="delete.png"/>';
			}
		else
			{
			document.getElementById('sponsorname').innerHTML = '<b>Sponsor Name: </b>';
			document.getElementById('sponsorrow').style.display = '';
			document.getElementById('sponsormessage').innerHTML = xmlHttp.responseText;
			document.getElementById('sponsorresp').innerHTML = '<img src="accept.png"/>';
			}
		}
    }
	var url="checksponsor.php";
	url=url+"?id="+txt;
			
     xmlHttp.open("GET",url,true);
     xmlHttp.send(null);

  }	
   
   
   
 function checkupline(txt)
{
	document.getElementById('uplineresp').innerHTML =  '<img src="ajax-loader.gif"/>'; 
	document.getElementById('uplinerow').style.display = 'none';

var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Your browser does not support AJAX!");
      return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
      {
		if (xmlHttp.responseText==1)
	  		{
			document.getElementById('uplinename').innerHTML = '';
			document.getElementById('uplinerow').style.display = '';
			document.getElementById('uplinemessage').innerHTML = '<span class="error">Invalid upline username.</span>';
			document.getElementById('uplineresp').innerHTML = '<img src="delete.png"/>';
			}
		else if (xmlHttp.responseText==3)
	  		{
			document.getElementById('uplinename').innerHTML = '';
			document.getElementById('uplinerow').style.display = '';
			document.getElementById('uplinemessage').innerHTML = '<span class="error">Please input a upline username.</span>';
			document.getElementById('uplineresp').innerHTML = '<img src="delete.png"/>';
			}
		else
			{
			document.getElementById('uplinename').innerHTML = '<b>Upline Name: </b>';
			document.getElementById('uplinerow').style.display = '';
			document.getElementById('uplinemessage').innerHTML = xmlHttp.responseText;
			document.getElementById('uplineresp').innerHTML = '<img src="accept.png"/>';
			}
		}
    }
	var url="checkupline.php";
	url=url+"?id="+txt;
			
     xmlHttp.open("GET",url,true);
     xmlHttp.send(null);

  }