// JavaScript Document
var xmlHttp;
var response;
var req;


function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    else if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
    }
}

function checkName(input){
	
	createXMLHttpRequest();
	url  = '/my_account/process/checkusername.cfm?username=' + input;
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req.onreadystatechange = processCheckName;
        req.open("GET", url, true);
        req.send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        if (req) {
            req.onreadystatechange = processCheckName;
            req.open("GET", url, true);
            req.send();
        }
    }
}
 

function processCheckName() 
{
    // only if req shows "complete"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            // ...processing statements go here...
   			response = req.responseXML.documentElement;
     		method = response.getElementsByTagName('method')[0].firstChild.data;
      		result = response.getElementsByTagName('result')[0].firstChild.data;
			
			if (result == '1'){
					//do not submit form
					alert('The username you have chosen is already taken.\n Select another username.');
					return false;
					
				}else{
					if (browser == 'Netscape'){
					}else{eval('form1.submitbutton.disabled=true');}
    
					eval('document.form1.submit();');
				}	
     		//eval(method + '(\'\', result)');
        } 
    }
}