window.onerror=null;
if (document.images) {
  names = new Array("home", "services", "about", "workshops", "products", "contact" );
  items = new Array(10);
  for (i=0; i<=11; i++)
     {
	 items[i] = new Image(); }
	 items[0].src = "images/menu_01.jpg";
     items[1].src = "images/menu_02.jpg";
     items[2].src = "images/menu_03.jpg";
	 items[3].src = "images/menu_04.jpg";
   	 items[4].src = "images/menu_05.jpg";
     items[5].src = "images/menu_06.jpg";
	
	 items[6].src = "images/menu_on_01.jpg";
     items[7].src = "images/menu_on_02.jpg";
     items[8].src = "images/menu_on_03.jpg";
	 items[9].src = "images/menu_on_04.jpg";
     items[10].src = "images/menu_on_05.jpg";
     items[11].src = "images/menu_on_06.jpg";
	 }

  function swap (des,num) {
    if (document.images)
      { document.images[names[des]].src = items[num].src; }
  }