ddaccordion.init({ 
	headerclass: "expandable", 
	contentclass: "categoryitems", 
	revealtype: "click", 
	collapseprev: true, 
	defaultexpanded: [], 
	onemustopen: false, 
	animatedefault: false, 
	persiststate: false,
	toggleclass: ["", "openheader"], 
	togglehtml: ["prefix", "<img src='img/pijlrechts.gif' class='pijl' alt='pijl rechts'/> ", "<img src='img/pijlbeneden.gif' class='pijl' alt='pijl beneden'/> "], 
	animatespeed: "fast",
	oninit:function(headers, expandedindices){
	 
	},
	onopenclose:function(header, index, state, isuseractivated){ 
				
		
	}
})