function setupNutr() {
	allTables = document.getElementsByTagName('table');
	for (i=0; i<allTables.length; i++) {
		table = allTables[i];
		for (x=0; x<table.rows.length; x=x+2) {
			table.rows[x].className = "alt";
		}
	}
}

window.addEvent('load',setupNutr);

var tabber = {
	tabgroup: null,
	tabs: null,
	tabdata: null,
	space: 10,
	showTabs: function() {
		$each(tabber.tabdata, function(el, index) {
			el.setStyle('display','none');
		});
		$each(tabber.tabs, function(el, index) {
			el.removeClass('active'); 
		});
		this.getNext().setStyle('display','block');
		this.addClass('active');
	},
	init: function() {
		tabber.tabgroup = document.getElements('dl.tabs')[0];
		tabber.tabs = document.getElements('dl.tabs>dt');
		tabber.tabdata = document.getElements('dl.tabs>dd');
		tabgroupwidth = parseInt(tabber.tabgroup.offsetWidth);
		tabwidth = (tabgroupwidth/tabber.tabs.length-tabber.space);
		$each(tabber.tabs, function(tab, index) {
			tab.addEvent('click',tabber.showTabs);
			tab.setStyle('width',tabwidth);
			tab.addClass('tab');
			tab.setStyle('left',(index*tabwidth)+(tabber.space*index));
			tabber.tabdata[index].addClass('tabdata');
			if (index != 0) {
				tabber.tabdata[index].setStyle('display','none');
			} else {
				tab.addClass('active');					
			}
		});
	}
}

window.addEvent('load', tabber.init);