var elems, item_id;
function startRotateReference(items_list_id) {
	elems = $$('#'+items_list_id+' li');
	item_id = 0;
	if (!elems) return;
	for (var i=0; i<elems.length; i++) {
		elems[i].hide();
	}
	
	elems[item_id].show();
	setInterval(itemOn, 8000);

}
function itemOn() {
	var this_item = item_id;
	if (item_id >= (elems.length-1)) {
		var next_item = 0;
		item_id = 0;
	} else {
		item_id++;
		var next_item = item_id;
	}
	elems[item_id].setOpacity(0);
	elems[next_item].show();
	elems[this_item].fade({ duration: 2, from: 1, to: 0 });
	elems[next_item].fade({ duration: 2.5, from: 0, to: 1 });
}

var elems1, item_id1;
function startRotateReference1(items_list_id) {
	elems1 = $$('#'+items_list_id+' li');
	item_id1 = 0;
	if (!elems1) return;
	for (var i=0; i<elems1.length; i++) {
		elems1[i].hide();
	}
	
	elems1[item_id1].show();
	setInterval(itemOn1, 8000);

}
function itemOn1() {
	var this_item = item_id1;
	if (item_id1 >= (elems1.length-1)) {
		var next_item = 0;
		item_id1 = 0;
	} else {
		item_id1++;
		var next_item = item_id1;
	}
	elems1[item_id1].setOpacity(0);
	elems1[next_item].show();
	elems1[this_item].fade({ duration: 2, from: 1, to: 0 });
	elems1[next_item].fade({ duration: 2.5, from: 0, to: 1 });
}