var TabSystem = new Class({
	elements: null,
	
	initialize: function(elements, _default) { 
		this.elements = elements;
		this.selectTab(_default);
	},
	
	selectTab: function(id) { 
		for(var i = 0; i < this.elements.length; i++) { 
			$('tab-'+ this.elements[i]).style.display = 'none';
			$('tab-'+ this.elements[i] +'-link').className = '';
		}
		
		$('tab-'+ this.elements[id]).style.display = 'block';
		$('tab-'+ this.elements[id] +'-link').className = 'active';
	}
	
});