if (document.images) {

// x3 small passief
var x301_off = new Image();
x301_off.src = "images/x3/x301_small_off.jpg"
var x302_off = new Image();
x302_off.src = "images/x3/x302_small_off.jpg"
var x303_off = new Image();
x303_off.src = "images/x3/x303_small_off.jpg"
var x304_off = new Image();
x304_off.src = "images/x3/x304_small_off.jpg"
var x305_off = new Image();
x305_off.src = "images/x3/x305_small_off.jpg"
var x306_off = new Image();
x306_off.src = "images/x3/x306_small_off.jpg"
var x307_off = new Image();
x307_off.src = "images/x3/x307_small_off.jpg"
var x308_off = new Image();
x308_off.src = "images/x3/x308_small_off.jpg"
var x309_off = new Image();
x309_off.src = "images/x3/x309_small_off.jpg"

// x3 small actief
var x301_on = new Image();
x301_on.src = "images/x3/x301_small_on.jpg"
var x302_on = new Image();
x302_on.src = "images/x3/x302_small_on.jpg"
var x303_on = new Image();
x303_on.src = "images/x3/x303_small_on.jpg"
var x304_on = new Image();
x304_on.src = "images/x3/x304_small_on.jpg"
var x305_on = new Image();
x305_on.src = "images/x3/x305_small_on.jpg"
var x306_on = new Image();
x306_on.src = "images/x3/x306_small_on.jpg"
var x307_on = new Image();
x307_on.src = "images/x3/x307_small_on.jpg"
var x308_on = new Image();
x308_on.src = "images/x3/x308_small_on.jpg"
var x309_on = new Image();
x309_on.src = "images/x3/x309_small_on.jpg"

// x3 big
var x300_big = new Image();
x300_big.src = "images/x3/x300_big.jpg"
var x301_big = new Image();
x301_big.src = "images/x3/x301_big.jpg"
var x302_big = new Image();
x302_big.src = "images/x3/x302_big.jpg"
var x303_big = new Image();
x303_big.src = "images/x3/x303_big.jpg"
var x304_big = new Image();
x304_big.src = "images/x3/x304_big.jpg"
var x305_big = new Image();
x305_big.src = "images/x3/x305_big.jpg"
var x306_big = new Image();
x306_big.src = "images/x3/x306_big.jpg"
var x307_big = new Image();
x307_big.src = "images/x3/x307_big.jpg"
var x308_big = new Image();
x308_big.src = "images/x3/x308_big.jpg"
var x309_big = new Image();
x309_big.src = "images/x3/x309_big.jpg"
}