var elemType = "";// = "returnCheckEmail";
	  
function checkUser(str)
{
	if (str.length==0)
  	{ 
	  document.getElementById("returnCheckUser").innerHTML="";
	  return;
  	}
  
	xmlHttp=GetXmlHttpObject();

	if (xmlHttp==null)
	{
	  alert ("Your browser does not support AJAX!");
	  return;
	} 
	
	var url="checkUser.php";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function checkThis(first, second, typeData)
{

	  if(typeData == true)
	  {
	  	elemType = "returnCheckPassword";
	  }
	  else
	  {
		elemType = "returnCheckEmail";
	  }

	if (first.length==0 || second.length==0)
  	{ 
	  document.getElementById(elemType).innerHTML="";
	  return;
  	}
  
	xmlHttpEmail=GetXmlHttpObject();

	if (xmlHttpEmail==null)
	{
	  alert ("Your browser does not support AJAX!");
	  return;
	} 
	
	var url="/register/match.php?a=a";

	if(typeData == true)
	{
		url=url+"&type=password";
	}
	else if(typeData != true)
	{
		url=url+"&type=email";
	}
	url=url+"&first="+first;
	url=url+"&second="+second;
	url=url+"&sid="+Math.random();
	xmlHttpEmail.onreadystatechange=stateChangedEmail;
	xmlHttpEmail.open("GET",url,true);
	xmlHttpEmail.send(null);
}

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 stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("returnCheckUser").innerHTML=xmlHttp.responseText;
	}
}

function stateChangedEmail() 
{ 
	if (xmlHttpEmail.readyState==4)
	{ 
		document.getElementById(elemType).innerHTML=xmlHttpEmail.responseText;
	}
}


var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

//places the ajax loading image into the element passed into the function
function ajaxLoaderImage(containerid)
{
	document.getElementById(containerid).innerHTML="<p align = \"center\"><img src = \"/ajax-loader.gif\" name=\"ajaxLoader\" id=\"ajaxLoader\" style=\"border:0;\"/></p>"	
}

function getPage(url, containerid)
{
	var page_request = false
	
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
		
	else if (window.ActiveXObject)
	{ // if IE
		try 
		{
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e)
		{
			try
			{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
	return false
	
	ajaxLoaderImage(containerid)
	
	page_request.onreadystatechange=function()
	{
		loadpage(page_request, containerid)
	}
	
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid)
{
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs()
{
	if (!document.getElementById)
	return
	
	for (i=0; i<arguments.length; i++)
	{
		var file=arguments[i]
		var fileref=""
		
		if (loadedobjects.indexOf(file)==-1)
		{ //Check to see if this object has not already been added to page before proceeding
		
			if (file.indexOf(".js")!=-1)
			{ //If object is a js file
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			
			else if (file.indexOf(".css")!=-1) //If object is a css file
			{
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		
		if (fileref!="")
		{
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}