var triggerError = function (text) {
	alert(text);
}

/* code below is borrowed from various locations */
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0; i < iterable.length; i++)
      results.push(iterable[i]);
    return results;
  }
}
/* okay, done */
function cancelEvent(event){
	if (event && event.stopPropagation) {
        event.stopPropagation();
    }
    if (window.event && window.event.cancelBubble ) {
        window.event.cancelBubble = true;
    }
    
    if (event && event.preventDefault) {
        event.preventDefault();
    }
    if (window.event) {
        window.event.returnValue = false;
    }	
    return false;
}

addEvent(window,'unload',EventCache.flush);


function get_req() 
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        return req;
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
        	return req;
        }
    }
}
function can_ajax(){
	var req = get_req();
	if (req) return true;
	else return false;
}
var ajax_enabled = can_ajax();

function encodeURL(text) {
	eurl = escape(text);
	eurl = eurl.replace(/\//g,"%2F");
	eurl = eurl.replace(/\?/g,"%3F");
	eurl = eurl.replace(/=/g,"%3D");
	eurl = eurl.replace(/&/g,"%26");
	eurl = eurl.replace(/@/g,"%40");
	
	return eurl;
}

Function.prototype.bind = function(object){
	var __method;
	__method = this;
	var args = $A(arguments);
	args.shift();
	return function (event){ 

		return __method.apply(object, Array(event || window.event).concat(args));
	};
}

aRequest.prototype.process = function(){
	if (this.req.readyState == 4){
		if (this.req.status==200){
			if (this.ajax_handle){
				
				err=this.req.responseXML.getElementsByTagName("error");
				if (err.length > 0){
					if (err.childNodes.length > 0){
						triggerError(err.getElementsByTagName("text")[0]);
					}
				}
			}
			this.onfinish(this);
		}else{
			triggerError("Could not get data");
		}
	}
}

function aRequest (path, onfinish, ajax_handle){
	if (arguments.length == 2) ajax_handle = true;
	this.path = path;
	if (ajax_handle) this.path = this.path + "/a";
	this.handle_ajax = ajax_handle;
	this.onfinish = onfinish;
	this.req = get_req();
	this.data = "";
	var _this = this;
	this.req.onreadystatechange =this.process.bind(this);
	this.arguments = arguments; //save the arguments for later
	this.method = "GET";
}
aRequest.prototype.useForm = function (forme){
	
	if (typeof forme == "string") forme = document.getElementById(name);
	var inputs = forme.getElementsByTagName("input");
	var selects = forme.getElementsByTagName("select");
	var textareas = forme.getElementsByTagName("textarea");
	var i, str;
	str = "";
	for (i = 0; i < inputs.length; i++){
		str += "&" + inputs[i].name + "=" + encodeURL(inputs[i].value);
	}
	for (i = 0; i < selects.length; i++){
		str += "&" + selects[i].name + "=" + encodeURL(selects[i].value);
	}
	for (i = 0; i < textareas.length; i++){
		str += "&" + textareas[i].name + "=" + encodeURL(textareas[i].value);
	}
	if (str.length > 0) str=str.substr(1);
	this.data = str;

}
aRequest.prototype.send = function(){


	if (this.method == "POST"){
		this.req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		this.req.setRequestHeader("Content-length", str.length);
		this.req.setRequestHeader("Connection", "close");
	}
	this.req.open(this.method,this.path, true);

	this.req.send(this.data);
	
}

function form_submitted(req){

	alert("form " + req.arguments[3].id);
}
function submit_form(event){
	var form = event.srcElement;

	if (can_ajax()){

		var req = new aRequest(form.action, form_submitted, true, form);
		req.useForm(form);
		req.send();
		cancelEvent(event);
	}
}
function scanForms(){

	var forms = document.getElementsByTagName("form");

	var i = 0;
	for (i = 0; i < forms.length; i++){
		var form = forms[i];
		var name = form.id;
		
		var texts = form.getElementsByTagName("input");
		var j =0;
		for (j = 0; j < texts.length; j++){
			var text = texts[j];
			if (text["type"] == "text" && text.className.split(" ")[0] == "stylebox" && is_safari){

				text.outerHTML = "<div contenteditable='true' style='" + text.style.cssText + "'>" + text.value + "</div>";
			}
		}
		
		if (name.length == 0) {form.id = form.name; name = form.id; }
		if (name.length == 0) {form.id = "form" + i; name = form.id; }
		var can, has;
		try {
		can = document.getElementById("can-ajax-" + name);
		has = document.getElementById("has-ajax-" + name);
		
		}catch (err){}

		if (can != null && (has == null)){

			addEvent(form,"submit",submit_form);
			
			var el = document.createElement("input");
			el.setAttribute("type","hidden");
			el.setAttribute("id","has-ajax-" + name);

			form.appendChild(el);
		}
	}
}




addEvent(window,'load',scanForms);