function accordionMenu(menuId, srcExpandImage, srcCollapseImage, accOptions, accHoverDelay) {
	
	if($(menuId)){
		
    // getting accordion parent items ("li" tags with class "parent")
    $(menuId).accParentItems = [];

    for(var i = 0; i < $(menuId).childNodes.length; i++) {
    	if($(menuId).childNodes[i].className.indexOf('parent') >= 0){
        	$(menuId).accParentItems.push($(menuId).childNodes[i]);
        }
    }


    $(menuId).accTogglers = [];
    $(menuId).accElements = [];
    var startItem = -1;

    for(var i = 0; i < $(menuId).accParentItems.length; i++) {
    	
        // creating accordion togglers
        var accToggler = document.createElement("img");

        accToggler.setAttribute("title","Expand");
        accToggler.setAttribute("src",srcExpandImage);

        $(menuId).accParentItems[i].insertBefore(accToggler, $(menuId).accParentItems[i].firstChild);

        $(menuId).accTogglers.push(accToggler);

        // accordion elements#
        if($(menuId).tagName == 'OL' || $(menuId).tagName == 'ol'){
        	$(menuId).accElements.push($(menuId).accParentItems[i].getElementsByTagName('ol')[0]);
        }
        else{
        	$(menuId).accElements.push($(menuId).accParentItems[i].getElementsByTagName('ul')[0]);
        }

        // searching for active menu item to make the accordion show its sub-items when page loads
        if ( $(menuId).accParentItems[i].className.indexOf('active') >= 0 ) {
            startItem = i;
        }
   }

    //create our Accordion instance
    if ( $(menuId).accParentItems.length > 0 ){
        $(menuId).Accordion = new Accordion($(menuId).accTogglers, $(menuId).accElements, $merge({
            opacity: false,
            alwaysHide: true,
            show: startItem,
            duration: 600,
            transition: Fx.Transitions.Bounce.easeOut,

            onActive: function(toggler, element){
                element.parentNode.parentNode.setStyle('height', 'auto');
                toggler.setAttribute("src", srcCollapseImage);
                toggler.setAttribute("title","Collapse");
            },
            onBackground: function(toggler, element){
                element.parentNode.parentNode.setStyle('height', 'auto');
                element.setStyle('height', element.offsetHeight+'px');
                toggler.setAttribute("src", srcExpandImage);
                toggler.setAttribute("title","Expand");
            }

            }, accOptions)

        );
    }

    accTimer = null;
    if (!accHoverDelay) var accHoverDelay = 500;

    for(var i = 0; i < $(menuId).accParentItems.length; i++) {

        eval("function accOnclickFunc(){return function(){ if( $('"+menuId+"').accElements["+i+"].style.height == '0px' ) { $('"+menuId+"').Accordion.display("+i+") }}}");
        eval("function accOnMouseoverFunc(){return function(){if( $('"+menuId+"').accElements["+i+"].style.height == '0px' ){accTimer = $('"+menuId+"').Accordion.display.delay("+accHoverDelay+", $('"+menuId+"').Accordion, "+i+");}}}");
        eval("function accOnmouseoutFunc(){return function(){if($defined(accTimer)){$clear(accTimer);}}}");

        $(menuId).accParentItems[i].firstChild.nextSibling.onclick = accOnclickFunc();
        $(menuId).accParentItems[i].firstChild.nextSibling.onmouseover = accOnMouseoverFunc();
        $(menuId).accParentItems[i].firstChild.nextSibling.onmouseout = accOnmouseoutFunc();
    }


    for(var i = 0; i < $(menuId).accElements.length; i++) {
        $(menuId).accElements[i].setAttribute('id', menuId+'_'+i);
        accordionMenu(menuId+'_'+i, srcExpandImage, srcCollapseImage, accOptions, accHoverDelay)
    }
}
}