var aList		= [];
var offOpacity	= 0.15;

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].style.opacity	= offOpacity;
			aList[i].style.filter	= "alpha(opacity=" + (offOpacity * 100) + ")";
		}
	}

}

function unIlluminate() {

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

	for (var i = 0, j = aList.length; i < j; i++) {
		aList[i].style.opacity	= 1;
		aList[i].style.filter	= 'alpha(opacity=100)';
	}

}