if(!Biographies) {

	var Biographies = Class.create({
		
		initialize: function(_eContainer, options) {
			this.container = $(_eContainer);
			
			// default options
			this.options = Object.extend({
				'selector': 'biografie',
				'show': 'first'
				}, options || {});
			
			this.items = $$('#'.concat(this.container.identify(), ' .', this.options.selector));
			
			this.items.each(Element.hide);
			
			if (this.options.show == 'first')
				this.items.first().show();
			},
		
		show: function(_eElement){
			this.items.each(Element.hide);
			
			if (Object.isElement(_eElement))
				$(_eElement).show();
			else
				this.items.each(Element.show);
			}
	});
}