if (document.images)
{
  homeon= new Image(40,217);
  homeon.src="images/homea.gif";  
  feestenenpartijenon= new Image(40,217);
  feestenenpartijenon.src="images/feestenenpartijena.gif";    
  actiefencultureelon= new Image(40,217);
  actiefencultureelon.src="images/actiefencultureela.gif";
  fotokennismakingon= new Image(40,217);
  fotokennismakingon.src="images/fotokennismakinga.gif";  
  menukaarton= new Image(40,217);
  menukaarton.src="images/menukaarta.gif";  
  cateringon= new Image(40,217);
  cateringon.src="images/cateringa.gif";  
  aanbiedingon= new Image(40,217);
  aanbiedingon.src="images/aanbiedinga.gif";  
  vacatureson= new Image(40,217);
  vacatureson.src="images/vacaturesa.gif";  
  contactinformatieon= new Image(40,217);
  contactinformatieon.src="images/contactinformatiea.gif";
  
  homeoff= new Image(40,217);
  homeoff.src="images/home.gif";  
  feestenenpartijenoff= new Image(40,217);
  feestenenpartijenoff.src="images/feestenenpartijen.gif";    
  actiefencultureeloff= new Image(40,217);
  actiefencultureeloff.src="images/actiefencultureel.gif";
  fotokennismakingoff= new Image(40,217);
  fotokennismakingoff.src="images/fotokennismaking.gif";  
  menukaartoff= new Image(40,217);
  menukaartoff.src="images/menukaart.gif";  
  cateringoff= new Image(40,217);
  cateringoff.src="images/catering.gif";  
  aanbiedingoff= new Image(40,217);
  aanbiedingoff.src="images/aanbieding.gif";  
  vacaturesoff= new Image(40,217);
  vacaturesoff.src="images/vacatures.gif";  
  contactinformatieoff= new Image(40,217);
  contactinformatieoff.src="images/contactinformatie.gif";
}

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }