function doAjax(url, action, data, async) 
{
	if(url) 
	{ // only URL is required
		if(!data) 
		{
			data = '';
			methodType = 'GET';
		} 
		else 
		{
			methodType = 'POST';
		}

		if(!action) 
		{
			jsFunction = function() {};
		} 
		else 
		{ // wrap our action method with a readyState and status check
			jsFunction = function(AJAX) 
			{
				if (AJAX.readyState == 4 && AJAX.status == 200) 
				{
					action(AJAX);
				};
			}
		}
		return new AJAXRequest(methodType, url, data, jsFunction, async);
	}
}


// AJAX REQUEST METHOD
function AJAXRequest(method, url, data, process, async, dosend) 
{
	var _ms_XMLHttpRequest_ActiveX = "";
    var self = this;
    if(window.XMLHttpRequest) 
    {
        self.AJAX = new XMLHttpRequest();
    } 
    else if(window.ActiveXObject) 
    {
        if(_ms_XMLHttpRequest_ActiveX) 
        {
            self.AJAX = new ActiveXObject(_ms_XMLHttpRequest_ActiveX);
        } 
        else 
        {
	    	var versions = ["Msxml2.XMLHTTP.7.0", "Msxml2.XMLHTTP.6.0", "Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
            for(var i=0; i < versions.length; i++) 
            {
                try 
                {
                    self.AJAX = new ActiveXObject(versions[i]);
                    if(self.AJAX) 
                    {
                        _ms_XMLHttpRequest_ActiveX = versions[i];
                        break;
                    }
                }
                catch (objException) {};
            };
        }
    }
    self.process = process;
    self.AJAX.onreadystatechange = function() 
    {
        self.process(self.AJAX);
    }
    if(!method) 
    {
        method = "POST";
    }
    method = method.toUpperCase();
    if(typeof async == 'undefined' || async == null) 
    {
        async = true;
    }
    self.AJAX.open(method, url, async);
    if(method == "POST") 
    {
        self.AJAX.setRequestHeader("Connection", "close");
        self.AJAX.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        self.AJAX.setRequestHeader("Method", "POST");
    }
    if( dosend || typeof dosend == 'undefined' ) 
    {
	    self.AJAX.send(data);
    }
    return self.AJAX;
}