if (document.images) {
  Infoon = new Image(); Infoon.src = "img/btn_b1_over.jpg"; Infooff = new Image(); Infooff.src = "img/btn_b1.jpg";
  Inrichtingon = new Image(); Inrichtingon.src = "img/btn_b2_over.jpg"; Inrichtingoff = new Image(); Inrichtingoff.src = "img/btn_b2.jpg";
  Liggingon = new Image(); Liggingon.src = "img/btn_b3_over.jpg"; Liggingoff = new Image(); Liggingoff.src = "img/btn_b3.jpg";
  Fotoon = new Image(); Fotoon.src = "img/btn_b4_over.jpg"; Fotooff = new Image(); Fotooff.src = "img/btn_b4.jpg";
  FAQon = new Image(); FAQon.src = "img/btn_b5_over.jpg"; FAQoff = new Image(); FAQoff.src = "img/btn_b5.jpg";
  Kalenderon = new Image(); Kalenderon.src = "img/btn_b8_over.jpg"; Kalenderoff = new Image(); Kalenderoff.src = "img/btn_b8.jpg";
  Prijzenon = new Image(); Prijzenon.src = "img/btn_b6_over.jpg"; Prijzenoff = new Image(); Prijzenoff.src = "img/btn_b6.jpg";
  Contacton = new Image(); Contacton.src = "img/btn_b7_over.jpg"; Contactoff = new Image(); Contactoff.src = "img/btn_b7.jpg";
}
function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
function NewWindow(mypage, myname, w, h, scroll) {
var winleft = (screen.width - w) / 2.7;
winprops = 'height='+h+',width='+w+',top='+0.0+',left='+winleft+',scrollbars='+scroll+',resizable,toolbar=yes,location=yes,directories=no,status=yes,menubar=yes'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
function clearField(object) {
object.value ="";
}