if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      il = new Array();
      il[0] = "kop.gif";
      il[1] = "footer.gif";
      il[2] = "close.gif";
      il[3] = "logobig.gif";
      il[4] = "shopcart.gif";
      il[0] = "check.gif";
      il[0] = "button.gif";

       var i = 0;
       for(i=0; i<=il.length; i++) 
         preload_image_object.src = il[i];
    }

Image1 = new Image(621,135)
Image1.src = "img/normal.gif"

Image2 = new Image(621,135)
Image2.src = "img/culinair.gif"

Image3 = new Image(621,135)
Image3.src = "img/reclame.gif"

Image4 = new Image(621,135)
Image4.src = "img/product.gif"

Image5 = new Image(621,135)
Image5.src = "img/lokatie.gif"

Image6 = new Image(621,135)
Image6.src = "img/portret.gif"

Image7 = new Image(621,135)
Image7.src = "img/podium.gif"

Image8 = new Image(621,135)
Image8.src = "img/vrijwerk.gif"

Image10 = new Image(621,135)
Image10.src = "img/1b.jpg"

Image11 = new Image(621,135)
Image11.src = "img/2b.jpg"

Image12 = new Image(621,135)
Image12.src = "img/3b.jpg"

Image13 = new Image(621,135)
Image13.src = "img/4b.jpg"

Image14 = new Image(621,135)
Image14.src = "img/5b.jpg"

Image15 = new Image(621,135)
Image15.src = "img/6b.jpg"

Image16 = new Image(621,135)
Image16.src = "img/7b.jpg"

function original() {
document.emp.src = Image1.src;
document.id1.src = "img/1a.jpg"; 
document.id2.src = "img/2a.jpg";
document.id3.src = "img/3a.jpg";
document.id4.src = "img/4a.jpg";
document.id5.src = "img/5a.jpg";
document.id6.src = "img/6a.jpg";
document.id7.src = "img/7a.jpg";return true;
}

function culinair(){
  document.emp.src = Image2.src;
  document.id1.src = Image10.src; return true;
}

function reclame(){
  document.emp.src = Image3.src;
  document.id2.src = Image11.src; return true;
}

function product(){
  document.emp.src = Image4.src;
  document.id3.src = Image12.src; return true;
}

function lokatie(){
  document.emp.src = Image5.src;
  document.id4.src = Image13.src; return true;
}

function portret(){
  document.emp.src = Image6.src;
  document.id5.src = Image14.src; return true;
}

function podium(){
  document.emp.src = Image7.src;
  document.id6.src = Image15.src; return true;
}

function vrijwerk(){
  document.emp.src = Image8.src;
  document.id7.src = Image16.src; return true;
}