ddaccordion.init({ headerclass: "submenuheader", //Shared CSS class name of headers group
contentclass: "submenu", //Shared CSS class name of contents group 
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
animatedefault: false, //Should contents open by default be animated into view? 
persiststate: true, //persist state of opened contents within browser session? 
toggleclass: ["", "openmenu"], //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: "normal" //speed of animation: "fast", "normal", or "slow"
})