// JavaScript Document
var xmlHttp

function showHint(str)
{
if (str.length==0)
{ 
document.getElementById("availablityStatus").innerHTML=""
document.getElementById("availablityStatus").style.display = "none";
return
}
////////////////////////////////////////////////
// check string length for minimum characters //
////////////////////////////////////////////////
 else if (str.length<6){
	document.getElementById("availablityStatus").innerHTML="Username must be a minimum of 6 characters!"
	document.getElementById("availablityStatus").style.display = "block"; 
	document.getElementById("availablityStatus").style.color = "#cc0000";
	return
 }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="../includes/ajax/check-username-availability.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("availablityStatus").innerHTML=xmlHttp.responseText;
document.getElementById("availablityStatus").style.display = "block";
	if (xmlHttp.responseText.substr(0, 1) == "C"){
		document.getElementById("availablityStatus").style.color = "#009900";
	} else {
		document.getElementById("availablityStatus").style.color = "#cc0000";
	}
} 
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}