window.addEvent('domready', function() {
 
	/**
	 * Element with id 'demo-block' is the container and all h4-elements
	 * inside are fetched as tab headers. The following elements are their
	 * content.
	 */
	var tabs = new SimpleTabs('tab-contents', {
		selector: 'h3.tab-head'
	});
    
	new SimpleTabs('tab-contents-inside', {
		selector: 'h4.tab-head-inside'
	});
	
});