window.addEvent('domready', function() {
	
	var abas = new TabSwapper({
		selectedClass: 'on',
		deselectedClass: 'off',
		tabs: $$('#abas span'),
		clickers: $$('#abas span a'),
		sections: $$('div.abre_aba div.aba'),
		/*remember what the last tab the user clicked was*/
		/*use transitions to fade across*/
		smooth: true,
		smoothSize: true
	});
	
});