// JavaScript Document

var IE = document.all?true:false

function Loading(id){
	//top.document.getElementById(id).innerHTML = '<div class="loading"><img src="img/icon_spinner.gif" alt="" /></div>'
}
function showMessage(){
	var l
	var t, scrollTop
	l = (960-250) / 2;
	scrollTop = (document.all ? document.body.scrollTop : window.pageYOffset);
	if (document.all) {
		document.getElementById('container_addshop').style.top = ((screen.availHeight/2) - 100) + document.body.scrollTop;
	}	else {
		document.getElementById('container_addshop').style.top = ((((document.body.clientHeight-100) / 2) - 50) + scrollTop) + 'px';
	}
	document.getElementById('container_addshop').style.display = 'block'
	document.getElementById('container_addshop').style.left = l + 'px'
	setTimeout("document.getElementById('container_addshop').style.display = 'none'",2000)
}

function aspHtmlDecode(s) {
	// Functie op een string gecodeerd in asp met server.htmlencode te decoderen.
	// Versie 1.0 (07-03-2007)
	s = s.replace(/&lt;/g,"<");
	s = s.replace(/&gt;/g,">");
	s = s.replace(/&quot;/g,"\"");
	s = s.replace(/&amp;/g,"&");
	return s;
}

function GetHttpRequest() { // Functie die http_request vult met een XmlHttp object, geeft false terug als er een fout optreedt.
	var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
			// See note below about this line
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	return http_request
}

function updateRating(id,photo,rating) {
	var http_request = GetHttpRequest();
	if(!http_request) return false; // Kan geen ajax component aanmaken.

	var url = ""
	url = "xml/updateRating.xml.asp?id=" + id + "&photo=" + photo + "&rating=" + rating
	
	//window.open(url)
	http_request.onreadystatechange = function() {updateRatingResult(http_request);};
	http_request.open('GET', url, true);
	http_request.send(null);
}

function updateRatingResult(http_request){
	if (http_request.readyState == 4)	{
		if (http_request.status == 200) {
			//als node te lang is wordt deze afgebroken door Mozilla
			if(!IE) http_request.responseXML.normalize() 

			//haal xml op
			var xmldoc = http_request.responseXML;
			//vraag container node op
			var container_node = xmldoc.getElementsByTagName('container').item(0);
			//vraag content node op
			var content_node = xmldoc.getElementsByTagName('content').item(0);

			//als content node bestaat
			if(content_node.firstChild){
				if(!IE){ //als geen IE
					document.getElementById(container_node.firstChild.data).innerHTML = xmldoc.getElementsByTagName("content")[0].textContent
				}else{ //als wel IE
					document.getElementById(container_node.firstChild.data).innerHTML = content_node.firstChild.data
				}
			}
		}	
	}
}

// JavaScript Document
var xmlDoc
function checkUsername(obj,edit){
	var http_request = GetHttpRequest();
	if(!http_request) return false; // Kan geen ajax component aanmaken.

	var url = "xml/validateUser.xml.asp?str="+obj.value+"&edit="+edit
	document.getElementById('validateUserError').innerHTML =''
	if(obj.value.length != 0){
		//window.open(url)
		http_request.onreadystatechange = function() { ResultValidationUsername(http_request); };
		http_request.open('GET', url, true);
		http_request.send(null);
	}
}
function ResultValidationUsername(http_request){
	if (http_request.readyState == 4)	{
		if (http_request.status == 200) {
			var xmldoc = http_request.responseXML;
			var action_node = xmldoc.getElementsByTagName('actionResult').item(0);

			if(action_node.firstChild.data != '0'){
				document.getElementById('validateUserError').innerHTML = action_node.firstChild.data
				UserOK = false
			}else{
				document.getElementById('validateUserError').innerHTML = ""
				UserOK = true
			}
		}
	}else{
		document.getElementById('validateUserError').innerHTML = ""
		UserOK = true
	}
}

function GetAJAX(url, container, gets, values, debug) {
	var http_request = GetHttpRequest();
	if(!http_request) return false; // Kan geen ajax component aanmaken.

	Loading(container);
	url = 'xml/' + url + '?container='+ container + '&'
	for (i = 0; i < gets.length; i++) {
		if(i>0) url += '&';
		url += gets[i] +'='+ values[i];
	}
	if(debug) window.open(url)
	http_request.onreadystatechange = function() { GetAJAXResult(http_request,container); };
	http_request.open('GET', url, true);
	http_request.send(null);
}

function GetAJAXResult(http_request, container){
	if (http_request.readyState == 4)	{
		if (http_request.status == 200) {

			var content = http_request.responseText;
			if(container!='') {
				if(document.getElementById(container)) document.getElementById(container).innerHTML = content;
				
			}

		}
	}
}