<!-- 
// preload images
   i10_of = new Image; i10_of.src = "../img/nav/menu_1.gif";
   i10_ov = new Image; i10_ov.src = "../img/nav/menu_ovr_1.gif";
   i20_of = new Image; i20_of.src = "../img/nav/menu_2.gif";
   i20_ov = new Image; i20_ov.src = "../img/nav/menu_ovr_2.gif";
   i30_of = new Image; i30_of.src = "../img/nav/menu_3.gif";
   i30_ov = new Image; i30_ov.src = "../img/nav/menu_ovr_3.gif";
   i40_of = new Image; i40_of.src = "../img/nav/menu_4.gif";
   i40_ov = new Image; i40_ov.src = "../img/nav/menu_ovr_4.gif";
   i50_of = new Image; i50_of.src = "../img/nav/menu_5.gif";
   i50_ov = new Image; i50_ov.src = "../img/nav/menu_ovr_5.gif";
   i60_of = new Image; i60_of.src = "../img/nav/menu_6.gif";
   i60_ov = new Image; i60_ov.src = "../img/nav/menu_ovr_6.gif";
   i15_of = new Image; i15_of.src = "img/nav/menu_1.gif";
   i15_ov = new Image; i15_ov.src = "img/nav/menu_ovr_1.gif";
   i25_of = new Image; i25_of.src = "img/nav/menu_2.gif";
   i25_ov = new Image; i25_ov.src = "img/nav/menu_ovr_2.gif";
   i35_of = new Image; i35_of.src = "img/nav/menu_3.gif";
   i35_ov = new Image; i35_ov.src = "img/nav/menu_ovr_3.gif";
   i45_of = new Image; i45_of.src = "img/nav/menu_4.gif";
   i45_ov = new Image; i45_ov.src = "img/nav/menu_ovr_4.gif";
   i55_of = new Image; i55_of.src = "img/nav/menu_5.gif";
   i55_ov = new Image; i55_ov.src = "img/nav/menu_ovr_5.gif";
   i65_of = new Image; i65_of.src = "img/nav/menu_6.gif";
   i65_ov = new Image; i65_ov.src = "img/nav/menu_ovr_6.gif";

// swap images functions

   function SwapIn(tmpImageName) {
	eval("document." + tmpImageName + ".src=" + tmpImageName + "_ov.src")
   }

   function SwapOut(tmpImageName) {
	eval("document." + tmpImageName + ".src=" + tmpImageName + "_of.src")
   }
//-->