if (document.images) {

// Menu-items passief
var icon_zwemspas_off = new Image();
icon_zwemspas_off.src = "images/icon_zwemspas_off.gif"
var icon_spas_off = new Image();
icon_spas_off.src = "images/icon_spas_off.gif"
var icon_zwembaden_off = new Image();
icon_zwembaden_off.src = "images/icon_zwembaden_off.gif"
var icon_diversen_off = new Image();
icon_diversen_off.src = "images/icon_diversen_off.gif"
var icon_saunas_off = new Image();
icon_saunas_off.src = "images/icon_saunas_off.gif"
var icon_aquashop_off = new Image();
icon_aquashop_off.src = "images/icon_aquashop_off.gif"

var indicator_off = new Image();
indicator_off.src = "images/productindicator.gif"

// Menu-items actief
var icon_zwemspas_on = new Image();
icon_zwemspas_on.src = "images/icon_zwemspas_on.gif"
var icon_spas_on = new Image();
icon_spas_on.src = "images/icon_spas_on.gif"
var icon_zwembaden_on = new Image();
icon_zwembaden_on.src = "images/icon_zwembaden_on.gif"
var icon_diversen_on = new Image();
icon_diversen_on.src = "images/icon_diversen_on.gif"
var icon_saunas_on = new Image();
icon_saunas_on.src = "images/icon_saunas_on.gif"
var icon_aquashop_on = new Image();
icon_aquashop_on.src = "images/icon_aquashop_on.gif"

var indicator_spas = new Image();
indicator_spas.src = "images/productindicator_spas.gif"
var indicator_zwemspas = new Image();
indicator_zwemspas.src = "images/productindicator_zwemspas.gif"
var indicator_zwembaden = new Image();
indicator_zwembaden.src = "images/productindicator_zwembaden.gif"
var indicator_diversen = new Image();
indicator_diversen.src = "images/productindicator_diversen.gif"
var indicator_saunas = new Image();
indicator_saunas.src = "images/productindicator_saunas.gif"
var indicator_aquashop = new Image();
indicator_aquashop.src = "images/productindicator_aquashop.gif"
}