// Handles rollover images for NN3+ and IE4+
var loaded = new Array();
function loadRollover(image,imageName) {
    if (image && image.src &&
	(null == image.out || typeof(image.out) == typeof(void(0)))) {
	s = image.src;
	image.out = new Image();
	image.out.src = s;
	image.over = new Image();
	if (imageName.lastIndexOf('/') >= 0 || imageName.lastIndexOf('\\') >= 0) {
	    s = imageName;
	} else {
	    i = s.lastIndexOf('/');
	    if (i<0) i = s.lastIndexOf('\\');
	    if (i<0) { s = imageName; }
	    else     { s = s.substring(0,i+1) + imageName; }
	}
	image.over.src = s;
	loaded[image.name] = image;
    }
}

function roll(imageName,over) {
    if (document.images) {
    if (over) { imageObject = "over"; }
    else      { imageObject = "out"; }
    image = loaded[imageName];
    if (image) {
	ref = eval("image."+imageObject);
	if (ref) image.src = eval("image."+imageObject+".src");
    }
    if (window.event)
	window.event.cancelBubble = true;
    }
}