function init(){

	var stretchers = document.getElementsByClassName('box');

	var toggles = document.getElementsByClassName('tab');



	

	toggles.each(function(tabs){

		tabs.origClass = tabs.className;

		

    });



	

	var myAccordion = new fx.Accordion(

		toggles, stretchers, {opacity: true, height: true, duration: 900, onActive:function(tabs){

				if(tabs) {

					tabs.className += ' on';

				} 

	



			},

				onBackground: function(tabs){

				//change the background color to the original (green)

				//color when another toggler is pressed

				tabs.className = tabs.origClass;

        	}      

	});

	//hash functions

	toggles[0].className += ' on';



}