allDivs = {
	0: 'morning', 
	1: 'breakfast', 
	2: 'school_morning', 
	3: 'lunch', 
	4: 'school_afternoon', 
	5: 'dinner', 
	6: 'evening'
};

function hideDivs() {
	for (var key in allDivs) {
		$(allDivs[key]).style.display = 'none';
		$('timeline_' + allDivs[key]).removeClassName('selected');
	}
}

function showDiv(div) {
	hideDivs();
	$(div).style.display = 'block';
	$('timeline_' + div).addClassName('selected');
	whatever=0;
}

function init() {
	if(!$('morning')) return false;
	showDiv('morning');
	
	for (var key in allDivs) {
		$('timeline_' + allDivs[key]).onclick = function() {
			var currentDiv = this.id;
			showDiv(currentDiv.substring(9));
			return false;
		}
	}	
}

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