function hideOrDisplay(id) {
	var elem = $(id);
	
	if (elem.style.display == 'none') {
		elem.style.display = "block";
	} else {
		elem.style.display = 'none';
	}
}

function removeHiddenElements(form) {
	var elements = $$("div.hiddenAuto");
	if (elements != null) {
		elements.each(function(item) {
			item.remove();
		});
	}
	return (true);
}
var delay = 5000;
var start_frame = 0;
var frame = 0;
var end_frame = 0;

function init() {

	if ($('slides')) {
		var lis = $('slides').getElementsByTagName('li');
		$('slides').style.display = "block";
		for (i=0; i < lis.length; i++) {
			if (i!=0) {
				lis[i].style.display = 'none';
			} else {
				lis[i].style.display = 'block';
			}
		}
		end_frame = lis.length - 1;
		setInterval("fade()", delay);
	}
}


function fade() {
	var lis = $('slides').getElementsByTagName('li');
	
	lisHide = lis[frame];
	lisHide.style.display = "none";
	if (frame == end_frame) {
		frame = start_frame;
	} else { 
		frame++;
	}
	lisAppear = lis[frame];
	lisAppear.style.display = "block";

}

Event.observe(window, 'load', init, false);