ddaccordion.init({ //top level headers initialization
    	headerclass: "expandable", //Shared CSS class name of headers group that are expandable
    	contentclass: "categoryitems", //Shared CSS class name of contents group
    	revealtype: "click", //Reveal content when user clicks or onmouseover the header? Valid value: "click", "clickgo", or "mouseover"
    	mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds before header expands onMouseover
    	collapseprev: true, //Collapse previous content (so only one open at any time)? true/false 
    	defaultexpanded: [0], //index of content(s) open by default [index1, index2, etc]. [] denotes no content
    	onemustopen: false, //Specify whether at least one header should be open always (so never all headers closed)
    	animatedefault: false, //Should contents open by default be animated into view?
    	persiststate: false, //persist state of opened contents within browser session?
    	toggleclass: ["closeheader", "openheader"], //Two CSS classes to be applied to the header when it's collapsed and expanded, respectively ["class1", "class2"]
    	togglehtml: ["prefix", "", ""], //Additional HTML added to the header when it's collapsed and expanded, respectively  ["position", "html1", "html2"] (see docs)
    	animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200), or keywords "fast", "normal", or "slow"
    	oninit:function(headers, expandedindices){ //custom code to run when headers have initalized
    		//do nothing
    	},
    	onopenclose:function(header, index, state, isuseractivated){ //custom code to run whenever a header is opened or closed
    		//do nothing
    	}
    });
 
    ddaccordion.init({ //2nd level headers initialization
    	headerclass: "subexpandable", //Shared CSS class name of sub headers group that are expandable
    	contentclass: "subcategoryitems", //Shared CSS class name of sub contents group
    	revealtype: "click", //Reveal content when user clicks or onmouseover the header? Valid value: "click" or "mouseover
    	mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds before header expands onMouseover
    	collapseprev: true, //Collapse previous content (so only one open at any time)? true/false 
    	defaultexpanded: [], //index of content(s) open by default [index1, index2, etc]. [] denotes no content
    	onemustopen: true, //Specify whether at least one header should be open always (so never all headers closed)
    	animatedefault: false, //Should contents open by default be animated into view?
    	persiststate: false, //persist state of opened contents within browser session?
    	toggleclass: ["closedsubheader", "opensubheader"], //Two CSS classes to be applied to the header when it's collapsed and expanded, respectively ["class1", "class2"]
    	togglehtml: ["none", "", ""], //Additional HTML added to the header when it's collapsed and expanded, respectively  ["position", "html1", "html2"] (see docs)
    	animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200), or keywords "fast", "normal", or "slow"
    	oninit:function(headers, expandedindices){ //custom code to run when headers have initalized
    		//do nothing
    	},
    	onopenclose:function(header, index, state, isuseractivated){ //custom code to run whenever a header is opened or closed
    		//do nothing
    	}
    });