/*#########################################################
# 
# ajax functions
#
#########################################################*/

function HTTP()
{
	this.toString = function() { return "HTTP"; }
	
	this.status = function(_status)
	{
		switch(_status)
		{
			case 200:
				return "success";
				break;
			case 404:
				return "File not found.";
				break;
			default:
				return "HTTP Status: " + _status;
		}
	}
}

function AjaxCall()
{
	this.toString = function() { return "AjaxCall"; }
	this.http = new HTTP();

	this.makeRequest = function(_method, _url, _callbackMethod)
	{
		this.request = (window.XMLHttpRequest)? new XMLHttpRequest(): new ActiveXObject("MSXML2.XMLHTTP"); 
		this.request.onreadystatechange = _callbackMethod;
		this.request.open(_method, _url, true);
		this.request.send(_url);	
	}

	this.checkReadyState = function(_id, _1, _2, _3)
	{
		switch(this.request.readyState)
		{
			case 1:
				//document.getElementById(_id).innerHTML = _1;
				break;
			case 2:
				//document.getElementById(_id).innerHTML = _2;
				break;
			case 3:
				//document.getElementById(_id).innerHTML = _3;
				break;
			case 4:
				//document.getElementById(_id).innerHTML = this.http.status(this.request.status);
				return this.http.status(this.request.status);
		}
	}
}