function calc_vk(aantal){
	document.getElementById('vk').value='€ '+(aantal*3)+',00';
}

/*
<!--[if gte IE 5.5]>
$(document).ready(function(){
$("#navmenu-v li").hover(
function() { $(this).addClass("iehover"); },
function() { $(this).removeClass("iehover"); }
);});
<!--[endif]-->
*/
var nowactive='';
var old='';
function active(im){
	old = nowactive;
	nowactive = im;
	if (old && old!=nowactive){
		document[old].src = '/img/menu/' + old + '.gif';
	}
	if(im){
		document[im].src = '/img/menu/' + im + '_hold.gif';
		document[im].blur();
	}
}
function flipoff(im){
	if (nowactive!=im){
		document[im].src = '/img/menu/' + im + '.gif';
	}
}
function flipon(im){
	if (nowactive!=im){
		document[im].src = '/img/menu/' + im + '_on.gif';
	}
}
function flipoff2(im){
	document[im].src = '/img/menu/' + im + '.gif';
}
function flipon2(im){
	document[im].src = '/img/menu/' + im + '_on.gif';

}
var myimages=new Array();
function preloadimages(){
	for (i=0;i<preloadimages.arguments.length;i++){
		myimages[i]=new Image();
		myimages[i].src=preloadimages.arguments[i];
	}
}
preloadimages("img/menu/home_on.gif","img/menu/clubs_on.gif","img/menu/programma_on.gif","img/menu/groepen_on.gif","img/menu/contact_on.gif","img/menu/maatwerk_on.gif","img/menu/cadeaubon_on.gif","/img/bg_infoblok.jpg");


function showmore(){
        for (var i = 0; i < arguments.length; i++) {
            if(i==0)document.getElementById(arguments[i]).style.display='none'; else document.getElementById(arguments[i]).style.display='block';
        }
}

//meer_info
function meer_info(blok){
	//if(document.getElementById(blok).style.display=='block') document.getElementById(blok).style.display='none'; else document.getElementById(blok).style.display='block';
	$("#"+blok).slideToggle("fast");
}


//partners
var hi=0;
var ppix=new Array();
ppix[0] = ["img/partner1.gif","partner1","http://www.sportweek.nl"];
ppix[1] = ["img/partner2.gif","partner2","http://www.ad.nl"];
ppix[2] = ["img/partner3.gif","partner3","http://www.europeesche.nl"];

var spix=new Array();
spix[0] = ["img/wijsteunen1.gif","wijsteunen1","http://www.cruyff-foundation.org/"];
spix[1] = ["img/wijsteunen2.gif","wijsteunen2","http://www.dirkkuytfoundation.nl/"];
spix[2] = ["img/wijsteunen3.gif","wijsteunen3","http://www.krajicek.nl/"];
spix[2] = ["img/wijsteunen4.gif","wijsteunen4","http://www.righttoplay.nl/"];

function bannerflip(box,pics){ 

	holder = document.getElementById(box);
	if(hi<(pics.length-1)){
		hi++;
	}else{
		hi=0;	
	}
	
	holder.src=pics[hi][0];
	holder.name=pics[hi][1];
	holder.rel=pics[hi][2];
}

function flpoff(id,im){
		document.getElementById(id).src = 'img/' + im + '.gif';
}
function flpon(id,im){
	document.getElementById(id).src = 'img/' + im + '_s.gif';

}


//check formulier
function checkform(form) {
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
	var error=0;
	for (var x=0; form.elements[x]; x++ ) {
		if(form.elements[x].title == "verplicht") {
			if (form.elements[x].type == 'select-one'){
				if (form.elements[x].options[form.elements[x].selectedIndex].value == "") error++;
			}else if (form.elements[x].type == 'checkbox'){
				if (!form.elements[x].checked) error++;
			}else{
				if(form.elements[x].name=="email"){
					if (emailfilter.test(form.elements[x].value)==false) error++
				}else{
					if (form.elements[x].value == "") error++;
				}
			}
			if(error>0){
				alert( "U heeft het verplichte veld '" + form.elements[x].id + "' niet ingevuld." );
	        		form.elements[x].focus();
			        return false ;
			}
		}
	}        
}

//personen check
function checkdln(waarde){
	if (waarde==""){
		alert("Kies het aantal reisgenoten a.u.b.");
		//waarde.select();
		return false;
	}else{
		return true;
	}	
}

//change order
function changeorder(veld){
	document.selopmaat.vlg.value=veld;
	document.selopmaat.submit();
}

//email check
var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,6}|\d+)$/i;
function checkmail(e){
	var returnval=emailfilter.test(e.value);
	if (returnval==false){
		alert("Geldig e-mail adres invullen a.u.b.!");
		e.select();
		return false;
	}else{
		return true;
	}	
}

//formcheck
function formCheck(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam", "plaats", "telefoon", "email", "kamer1_aantal");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("naam", "plaats", "telefoon", "email", "aantal kamers");
	//3) Enter dialog message
	var alertMsg = "Vult u a.u.b. nog de volgende velden in:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}
	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}

//stappen doorklikken
function gotostep(stap){
	if(stap){
		if(document.getElementById('boek').value=='nee'){
			htijd = document.getElementById('htijd').options[document.getElementById('htijd').selectedIndex].value;
			ttijd = document.getElementById('ttijd').options[document.getElementById('ttijd').selectedIndex].value;
			if((htijd=="" || ttijd=="")){
				alert("Kies a.u.b. uw gewenste vluchttijden, zowel voor de heen- als de terugreis.\n(Indien u gekozen heeft voor eigen vervoer, selecteer dan \'nvt\' bij de vluchttijden.)");
				if(!htijd){
					document.getElementById('htijd').focus(); 
					document.getElementById('ttijd').style.backgroundColor='#ffffff'; 
					document.getElementById('htijd').style.backgroundColor='#f8e275'; 
				}else{
					document.getElementById('ttijd').focus(); 
					document.getElementById('htijd').style.backgroundColor='#ffffff';
					document.getElementById('ttijd').style.backgroundColor='#f8e275';
				}
			}else{
				document.offerteForm.stap.value=stap;
				document.offerteForm.submit();
			}
		}else{
			document.offerteForm.stap.value=stap;
			document.offerteForm.submit();
		}
	}else{	
		return false;
	}
}

//check offerte
function checkofferte(stap){
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
	if(document.getElementById('naam').value==""){
		alert('Vul uw naam in.');
		document.getElementById('naam').focus(); 
		document.getElementById('email').style.backgroundColor='#ffffff'; 
		document.getElementById('naam').style.backgroundColor='#f8e275'; 
	}else if(emailfilter.test(document.getElementById('email').value)==false){
		alert('Vul een (geldig) e-mail adres in.');
		document.getElementById('email').focus(); 
		document.getElementById('naam').style.backgroundColor='#ffffff'; 
		document.getElementById('email').style.backgroundColor='#f8e275'; 
	}else{
		if(stap==4) document.offerteForm.target='_blank';
		gotostep(stap);
	}	
}

//check boeking
function checkboeking(){
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
	if(document.getElementById('naam1').value==""){
		alert('Vul uw achternaam in.');
		document.getElementById('naam1').focus(); 
		document.getElementById('email1').style.backgroundColor='#ffffff'; 
		document.getElementById('naam1').style.backgroundColor='#f8e275'; 
	}else if(emailfilter.test(document.getElementById('email1').value)==false){
		alert('Vul een (geldig) e-mail adres in.');
		document.getElementById('email1').focus(); 
		document.getElementById('naam1').style.backgroundColor='#ffffff'; 
		document.getElementById('email1').style.backgroundColor='#f8e275'; 
	}else if(document.getElementById('accoord').checked!=1){
		alert('U dient akkoord te gaan met onze voorwaarden voordat u uw boeking kunt voltooien.');
	}else{
		gotostep(3);
	}	
}

//FADER
var fadebgcolor="white"

var fadeimages_k=new Array();
fadeimages_k[0]=["img/klanten/klanten_1.jpg", "", ""];
fadeimages_k[1]=["img/klanten/klanten_2.jpg", "", ""];
fadeimages_k[2]=["img/klanten/klanten_3.jpg", "", ""];
fadeimages_k[3]=["img/klanten/klanten_4.jpg", "", ""];
fadeimages_k[4]=["img/klanten/klanten_5.jpg", "", ""];
fadeimages_k[5]=["img/klanten/klanten_6.jpg", "", ""];
fadeimages_k[6]=["img/klanten/klanten_7.jpg", "", ""];
fadeimages_k[7]=["img/klanten/klanten_8.jpg", "", ""];

////NO need to edit beyond here/////////////
 
var fadearray=new Array() //array to cache fadeshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
this.pausecheck=pause
this.mouseovercheck=0
this.delay=delay
this.degree=10 //initial opacity degree (10%)
this.curimageindex=0
this.nextimageindex=1
fadearray[fadearray.length]=this
this.slideshowid=fadearray.length-1
this.canvasbase="canvas"+this.slideshowid
this.curcanvas=this.canvasbase+"_0"
if (typeof displayorder!="undefined")
theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.theimages=theimages
this.imageborder=parseInt(borderwidth)
this.postimages=new Array() //preload images
for (p=0;p<theimages.length;p++){
this.postimages[p]=new Image()
this.postimages[p].src=theimages[p][0]
}
 
var fadewidth=fadewidth+this.imageborder*2
var fadeheight=fadeheight+this.imageborder*2
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
document.write('<div id="master'+this.slideshowid+'" style="z-index:0;float:left;position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden; left:0;top:0;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
else
document.write('<div style="float:left;"><img align="left" name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
this.startit()
else{
this.curimageindex++
setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
}
}

function fadepic(obj){
if (obj.degree<100){
obj.degree+=10
if (obj.tempobj.filters&&obj.tempobj.filters[0]){
if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
obj.tempobj.filters[0].opacity=obj.degree
else //else if IE5.5-
obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
}
else if (obj.tempobj.style.MozOpacity)
obj.tempobj.style.MozOpacity=obj.degree/101
else if (obj.tempobj.style.KhtmlOpacity)
obj.tempobj.style.KhtmlOpacity=obj.degree/100
else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
obj.tempobj.style.opacity=obj.degree/101
}
else{
clearInterval(fadeclear[obj.slideshowid])
obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
obj.populateslide(obj.tempobj, obj.nextimageindex)
obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
}
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
var slideHTML=""
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
slideHTML+='<img align="left" src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML+='</a>'
picobj.innerHTML=slideHTML
}
 
 
fadeshow.prototype.rotateimage=function(){
if (this.pausecheck==1) //if pause onMouseover enabled, cache object
var cacheobj=this
if (this.mouseovercheck==1)
setTimeout(function(){cacheobj.rotateimage()}, 100)
else if (iebrowser&&dom||dom){
this.resetit()
var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
crossobj.style.zIndex++
fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
}
else{
var ns4imgobj=document.images['defaultslide'+this.slideshowid]
ns4imgobj.src=this.postimages[this.curimageindex].src
}
this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
}
 
fadeshow.prototype.resetit=function(){
this.degree=10
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
if (crossobj.filters&&crossobj.filters[0]){
if (typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if (crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=this.degree/100
else if (crossobj.style.opacity&&!crossobj.filters)
crossobj.style.opacity=this.degree/101
}
 
 
fadeshow.prototype.startit=function(){
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
this.populateslide(crossobj, this.curimageindex)
if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
var cacheobj=this
var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
}
this.rotateimage()
}