if (document.images) {

// Menu-items passief
var item01_off = new Image();
item01_off.src = "docs/nl/images/item01_off.gif"
var item02_off = new Image();
item02_off.src = "docs/nl/images/item02_off.gif"
var item03_off = new Image();
item03_off.src = "docs/nl/images/item03_off.gif"
var item04_off = new Image();
item04_off.src = "docs/nl/images/item04_off.gif"
var item05_off = new Image();
item05_off.src = "docs/nl/images/item05_off.gif"
var item06_off = new Image();
item06_off.src = "docs/nl/images/item06_off.gif"

// Menu-items actief
var item01_on = new Image();
item01_on.src = "docs/nl/images/item01_on.gif"
var item02_on = new Image();
item02_on.src = "docs/nl/images/item02_on.gif"
var item03_on = new Image();
item03_on.src = "docs/nl/images/item03_on.gif"
var item04_on = new Image();
item04_on.src = "docs/nl/images/item04_on.gif"
var item05_on = new Image();
item05_on.src = "docs/nl/images/item05_on.gif"
var item06_on = new Image();
item06_on.src = "docs/nl/images/item06_on.gif"
}