if (document.images) {

// tarn small passief
var tarn01_off = new Image();
tarn01_off.src = "images/tarn/tarn01_small_off.jpg"
var tarn02_off = new Image();
tarn02_off.src = "images/tarn/tarn02_small_off.jpg"

// tarn small actief
var tarn01_on = new Image();
tarn01_on.src = "images/tarn/tarn01_small_on.jpg"
var tarn02_on = new Image();
tarn02_on.src = "images/tarn/tarn02_small_on.jpg"

// tarn big
var tarn00_big = new Image();
tarn00_big.src = "images/tarn/tarn00_big.jpg"
var tarn01_big = new Image();
tarn01_big.src = "images/tarn/tarn01_big.jpg"
var tarn02_big = new Image();
tarn02_big.src = "images/tarn/tarn02_big.jpg"
}