/* Generic rollover functions - AW, Jan 2009 */

_cache = new Array();

function preload() {
	var c = _cache.length;
	for (var i=0;i<arguments.length;i++) {
		_cache[c+i] = new Image();
		_cache[c+i].src = _root + 'images/' + arguments[i];
	}
}

function rollover(e, ext) {
	e.src = _root + 'images/' + e.id + '_over.' + (ext || 'png');	
}

function rollout(e, ext) {
	e.src = _root + 'images/' + e.id + '.' + (ext || 'png');	
}