function init () {
	st_onload();
	var randomValue = Math.floor(Math.random() * 4) + 1;
	var mastheadImageLeft = GetObjRef ("MastheadLeft");
	var mastheadImageRight = GetObjRef ("MastheadRight");
	if (mastheadImageLeft) {
		mastheadImageLeft.src = "/themes/17/images/skins/" + randomValue + "/intmasthead.jpg";
	}
	if (mastheadImageRight) {
		mastheadImageRight.src = "/themes/17/images/skins/" + randomValue + "/masthead_right.jpg";
	}
}