var accordion;
var accordionTogglers;
var accordionContents;

window.onload = function() {

accordionTogglers = document.getElements('.accToggler');

accordionTogglers.each(function(toggler){
//remember the original background
toggler.origColor = toggler.getStyle('color');
});

accordionContents = document.getElements('.accContent');

accordion = new Fx.Accordion(accordionTogglers, 
accordionContents,{
//when an element is opened change the
//background color to blue
onActive: function(toggler){
toggler.setStyle('background', '#da7 url(/images/basic/downarrow.jpg) no-repeat');
toggler.setStyle('color', '#fff');
},
onBackground: function(toggler){
//change the background color to the original (green)
//color when another toggler is pressed
toggler.setStyle('background', '#da7 url(/images/basic/rightarrow.jpg) no-repeat');
toggler.setStyle('color', toggler.origColor);
}
});
}