/* Utility functions */
function addEvent(obj, evType, fn, useCapture) { // By Scott Andrew
 if (obj.addEventListener) { obj.addEventListener(evType, fn, useCapture); return true; }
 else if (obj.attachEvent) { var r = obj.attachEvent('on' + evType, fn); return r; }
 else { obj['on' + evType] = fn; }
 return void(0);
}
// call it like this
//addEvent(window, 'load', scrollInit, false);
function element(id) {
	var e = false;
	if (document.getElementById) { e = document.getElementById(id); }
	else if (document.all) { e = document.all(id); }
	return e;
}
function displayValue() {
  var returnvalue = 'table';
  var offset = navigator.userAgent.indexOf('MSIE');
  if (offset != -1) { returnvalue = 'block';}
  return returnvalue;
}
function checkAfleveradres() {
	var radioparent = element('afleveradres');
	var subform = element('afleverform');
	if(radioparent){
		var radios = radioparent.getElementsByTagName('input');
		if(radios){
			for(var i=0; i<radios.length; i++){
				var radio = radios[i];
				radio.onclick = function(){
					if(this.checked != false && this.value == 'anders'){
						subform.style.display = 'block';
					} else {
						subform.style.display = 'none';
					}
				}
			}
		}
	}
	return void(0);
}
function checkCondition(formid) {
	var form = element(formid);
	var check = element('akkoord');
	if(check){
		if(check.checked == false) {
			alert('U bent niet akkoord met de algemene leveringsvoorwaarden');
			//check.className = 'error';
			check.parentNode.style.backgroundColor = '#ff3333';
			return false;
		} else {
			//check.className = '';
			check.parentNode.style.backgroundColor = 'transparent';
			if(form) form.submit();
		}
	}
	return false;
}
// login
function toPassword(objOldInput) {
	var objNewElement = document.createElement('input');
	var oldClass = (objOldInput.className)? objOldInput.className : '';
	if(oldClass != '') objNewElement.setAttribute('class', oldClass);
	objNewElement.setAttribute('type', 'password');
	objNewElement.setAttribute('name', objOldInput.name);
	objOldInput.parentNode.replaceChild(objNewElement, objOldInput);
	toPassword.el = objNewElement;
	setTimeout('toPassword.el.focus()',100);
	return true;
}
// menu.js
function hasULchildren(linode) {
	var uls = linode.getElementsByTagName('ul')[0];
	if(uls) return true;
	return false;
}

function changePage(id){
	var val='';
	var selectbox = element(id);
	if (selectbox) { val = selectbox.options[selectbox.selectedIndex].value; }
	if (val != '') { document.location = val; }
}

function foldCatList(){
	var catList = element('categories');
	if(catList) {
		var catBoxen = catList.getElementsByTagName('H2');
		if(catBoxen){
			for(var i=0; i<catBoxen.length; i++){
				var catBox = catBoxen[i];
				catBox.onclick = function(){
					if(this.firstChild.className == 'active') this.firstChild.className = 'inactive';
					else this.firstChild.className = 'active';
					if(this.nextSibling){
						if(this.nextSibling.style.display == 'none') this.nextSibling.style.display = 'block';
						else this.nextSibling.style.display = 'none';
					}
					return false;
				}
			}
		}
	}
	return false;
}

/* Better(?) Image cross fader (C)2004 Patrick H. Lauke aka redux */

var	previousImage, currentImage, galleryImages, gallery, galleryId = 'beeldwissel';
function preInit() {
	if ((document.getElementById)&&(gallery=document.getElementById(galleryId))) {
		gallery.style.visibility = "hidden";
		clearTimeout(preInitTimer);
	} else { preInitTimer = setTimeout("preInit()",2); }
}
function fader(imageNumber,opacity) {
	var obj=galleryImages[imageNumber];
	if (obj.style.MozOpacity!=null) { obj.style.MozOpacity = (opacity/100) - .001; }
	else if (obj.style.opacity!=null) { obj.style.opacity = (opacity/100) - .001; }
	else if (obj.style.filter!=null) { obj.style.filter = "alpha(opacity="+opacity+")"; }
}

function fadeInit() {
	if (document.getElementById) { 
		gallery=document.getElementById(galleryId);
		if(gallery){
			galleryImages = gallery.childNodes;
			for(i=0;i<galleryImages.length;i++) {
				galleryImages[i].style.position='absolute';
				//galleryImages[i].style.display='block';
				galleryImages[i].style.top=0;
				galleryImages[i].style.zIndex=0;
				fader(i,0); 
			}
			gallery.style.visibility = 'visible'; 
			currentImage=0; 
			previousImage=galleryImages.length-1;
			opacity=100;
			fader(currentImage,100);
			window.setTimeout("crossfade(100)", 3500); 
			return void(0);
		}
		else { return false; }
	}
	else { return false; }
}

function crossfade(opacity) {
    if (opacity < 101) {
        fader(currentImage,opacity);
        opacity += 5;
        window.setTimeout("crossfade("+opacity+")", 100);
    } else {
        fader(previousImage,0);
        previousImage=currentImage;
        currentImage+=1;
        if (currentImage>=galleryImages.length) { currentImage=0; }
        galleryImages[previousImage].style.zIndex = 0;
        galleryImages[currentImage].style.zIndex = 3;
        opacity=0;
        window.setTimeout("crossfade("+opacity+")", 2000);
    }
}
function showlistitems(){
	
	var listitems = document.getElementById('beeldwissel').childNodes;
	for(var i = 0;i< listitems.length;i++){
		listitems[i].style.display = 'block';
	}	
	
}

/* initialise fader by hiding image object first */
$(document).ready( function() { 
	setTimeout('showlistitems()',2000);	
	addEvent (window,'load',fadeInit);
}); 



//$(document).ready(function(){foldCatList(); });