/*
*Mod_Accordionmenu by James Frank
*Edited by danik.html
*
* License: GNU/GPL
*
*Based off of  v1.0 - by ah72, July 2008
*
*/


function accordionMenu(menuId, accOptions, accHoverDelay, bDoHover)
{
	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++)
		{

			var accToggler = document.createElement("span");

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

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

			// accordion elements
			$(menuId).accElements.push($(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');
								$(element.parentNode).addClass('expanded');
						},
						onBackground: function(toggler, element){
								element.parentNode.parentNode.setStyle('height', 'auto');
								element.setStyle('height', element.offsetHeight+'px');
								$(element.parentNode).removeClass('expanded');
						}

						}, accOptions)

				);
		}

		accTimer = null;
		if (!accHoverDelay) var accHoverDelay = 200;
	
		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();
		if (bDoHover==1) {
			$(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, accOptions, accHoverDelay, bDoHover)
		}

	}
}