var aList		= [];
var offOpacity	= 0.25;

function illuminate(c) {

	if (!aList.length)
		aList = document.getElementById("links").getElementsByTagName("a");

	for (var i = 0, j = aList.length; i < j; i++) {
		if (aList[i].className != c) {
			$(aList[i]).addClass("off");
		}
	}

}

function unIlluminate() {

	if (!aList.length)
		aList = document.getElementById("links").getElementsByTagName("a");

	for (var i = 0, j = aList.length; i < j; i++) {
		$(aList[i]).removeClass("off");
	}

}