// JavaScript Document

var xmlHttp

function checkNickName(str) {
	
//	replace spaces with "_"
//	if (str.match(" ") != null) {
//		str = str.replace(/ /gi, "_");
//		document.getElementById("textBox").value = str;
//	}
	
	if (str.length == 0) {
		document.getElementById("results").innerHTML = "<span style='color:#3366CC;'>The nickname is displayed next to share chat posts.</span>";
		document.getElementById("submitButton").disabled = "disabled";
		return;
	}
	
	xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp == null) {
		alert ("Please make sure you have javascript enabled.");
		return;
	} 
	
	var url = "tools/user/ajxGetNickName.asp";
	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") {
		if (xmlHttp.responseText == '<span style="color:#009900;">This nickname is available.</span>') {
			document.getElementById("submitButton").disabled = "";
		} else {
			document.getElementById("submitButton").disabled = "disabled";
		}
		document.getElementById("nickResults").innerHTML = xmlHttp.responseText;
	} 
} 
	
function GetXmlHttpObject() { 

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