ddaccordion.init({
	headerclass: "expandable",
	contentclass: "categoryitems",
	revealtype: "click",
	mouseoverdelay: 0,
	collapseprev: false,
	defaultexpanded: [index1],
	onemustopen: true,
	animatedefault: false,
	persiststate: true,
	toggleclass: ["", "openheader"],
	togglehtml: ["prefix", "", ""],
	animatespeed: "fast",
	oninit:function(headers, expandedindices){ 
	},
	onopenclose:function(header, index, state, isuseractivated){ //custom code to run whenever a header is opened or closed
		//do nothing
	}
})