// Preload images
if (document.images)
{ p00= new Image(54,54); p00.src="images/toplogo.gif"; 
  p01= new Image(54,54); p01.src="images/menu_contact.jpg"; 
  p02= new Image(54,54); p02.src="images/menu_contact_over.jpg"; 
  p03= new Image(54,54); p03.src="images/menu_diensten.jpg"; 
  p04= new Image(54,54); p04.src="images/menu_diensten_over.jpg"; 
  p05= new Image(54,54); p05.src="images/menu_home.jpg"; 
  p06= new Image(54,54); p06.src="images/menu_home_over.jpg"; 
  p07= new Image(54,54); p07.src="images/menu_overons.jpg"; 
  p08= new Image(54,54); p08.src="images/menu_overons_over.jpg"; 
  p09= new Image(54,54); p09.src="images/menu_vacatures.jpg"; 
  p10= new Image(54,54); p10.src="images/menu_vacatures_over.jpg"; 
}