// JavaScript Document

var image_set = ''

function Loading(id){
	top.document.getElementById(id).innerHTML = '<div class="loading"><img src="img/icon_spinner.gif" alt="" /></div>'
}

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
}

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 = '&nbsp;'+ action_node.firstChild.data
				if(document.getElementById('marker_username')) document.getElementById('marker_username').innerHTML='';
				UserOK = false
			}else{
				document.getElementById('validateUserError').innerHTML = ""
				if(document.getElementById('marker_username')) document.getElementById('marker_username').innerHTML='';
				UserOK = true
			}
		}	
	}else{
		document.getElementById('validateUserError').innerHTML = ""
		if(document.getElementById('marker_username')) document.getElementById('marker_username').innerHTML='';
		UserOK = true
	}
}

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

	var showMessage = false
	//Loading(container);
	url = 'xml/' + url + '?container='+ container + '&'	
	for (i = 0; i < gets.length; i++) {
		if(i>0) url += '&';
		url += gets[i] +'='+ values[i];
		if(gets[i]=='type' && values[i]=='add') showMessage = true
	}

	if(debug) window.open(url)
	http_request.onreadystatechange = function() { GetAJAXResult(http_request,container, showMessage); };
	http_request.open('GET', url, true);
	http_request.send(null);
}

function GetAJAXResult(http_request, container, showMessage){
	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;
			}

			//wanneer item aan shoppingcart wordt toegevoegd, toon melding
			if(showMessage) {
			    //Zorg ervoor dat deze container in het midden van het venster wordt getoond.
			    document.getElementById('container_addshop').style.top=(screen.availHeight/2) - 50
		        document.getElementById('container_addshop').style.left=(screen.availWidth/2) - 200
		        //einde plaatsen van container in het midden
				document.getElementById('container_addshop').style.display='block'
				setTimeout("document.getElementById('container_addshop').style.display = 'none'",2000)
			}
			
		}	
	}
}