//Initializing Accordion Content:
ddaccordion.init({
	headerclass: "the_topic", //Shared CSS class name of headers group
	contentclass: "the_abstract", //Shared CSS class name of contents group
	revealtype: "click", //Reveal content when user clicks or onmouseover the header? Valid value: "click" or "mouseover"
	collapseprev: false, //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: 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: ["closedlanguage", "openlanguage"], //Two CSS classes to be applied to the header when it's collapsed and expanded, respectively ["class1", "class2"]
	togglehtml: ["prefix", "<img src='/Math_and_Sciences/images/plus.gif' />", "<img src='/Math_and_Sciences/images/minus.gif' />"], //Additional HTML added to the header when it's collapsed and expanded, respectively  ["position", "html1", "html2"] (see docs)
	//togglehtml: ["none", "", ""], //no additional  HTML added to header
	//togglehtml: ["prefix", "[closed] ", "[open] "], //two text added in front of the header
	//togglehtml: ["suffix", " <img src='close.gif' />", " <img src='open.gif' />"], //two images added to the end of the header
	//togglehtml: ["src", "minus.gif", "plus.gif"], //assuming each header is an image itself, toggle between two images depending on state
	animatespeed: "fast", //speed of animation: "fast", "normal", or "slow"
	oninit:function(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
	}
})