//ZAJAX v 0.10
//由土豆网 Zarz 制作 (http://www.toodou.com/)
//基于 sajax 0.10 (http://www.modernmethod.com/sajax/) 
//拆分了SAJAX的服务端和客户端的程序，增加了调用的自由度，在服务端改善了中文支持


var zajax_debug_mode = false;
//var zajax_debug_mode = true;
var zajax_request_type = "GET";
function zajax_debug(text) {
	if (zajax_debug_mode)
		alert("RSD: " + text)
}
function zajax_init_object() {
    zajax_debug("zajax_init_object() called..")
	
    var A;
	try {
		A=new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			A=new ActiveXObject("Microsoft.XMLHTTP");
		} catch (oc) {
			A=null;
		}
	}
	if(!A && typeof XMLHttpRequest != "undefined")
		A = new XMLHttpRequest();
	if (!A)
		zajax_debug("Could not create connection object.");
	return A;
}
function zajax_do_call(uri, func_name,args) {
	var i, x, n;
	//var uri;
	var post_data;
	
	//uri = "<?php echo $zzajaxremote_uri; ?>";
	if (zajax_request_type == "GET") {
		if (uri.indexOf("?") == -1) 
			uri = uri + "?rs=" + escape(func_name);
		else
			uri = uri + "&rs=" + escape(func_name);
		for (i = 0; i < args.length-1; i++) 
			uri = uri + "&rsargs[]=" + escape(args[i]);
		uri = uri + "&rsrnd=" + new Date().getTime();
			//alert(uri);
		post_data = null;
	} else {
		post_data = "rs=" + escape(func_name);
		for (i = 0; i < args.length-1; i++) 
			post_data = post_data + "&rsargs[]=" + escape(args[i]);
	}
	
	x = zajax_init_object();

	x.open(zajax_request_type, uri, true);
	if (zajax_request_type == "POST") {
		x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
		x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	}
	x.onreadystatechange = function() {
		if (x.readyState != 4) 
			return;
		zajax_debug("received " + x.responseText);
		
		var status;
		var data;
		status = x.responseText.charAt(0);
		data = x.responseText.substring(0);
		
		if (status == "-") 
			alert("Error: " + data);
		else  
			args[args.length-1](data);
	}
	x.send(post_data);
	zajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
	zajax_debug(func_name + " waiting..");
	delete x;
}