function init() {
	//This is to offset the subnavigation to make it appear centered underneath its parent
	if (subNav = document.getElementById("current").parentNode.childNodes[2]) {
		if (subNav.parentNode.className == 'last') {
			num = subNav.parentNode.offsetWidth - subNav.offsetWidth - (((subNav.childNodes.length-1)/2)*6);
		} else {
			num = Math.floor((-subNav.offsetWidth/2)+(subNav.parentNode.offsetWidth/2));
		}
		subNav.style.marginLeft = num + "px";
	}	
}