var menu_slideSpeed = 10;	// Higher value = faster
var menu_timer = 10;	// Lower value = faster

var objectIdToSlideDown = false;
var menu_activeId = false;
var menu_slideInProgress = false;

var MSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;
var navigatorVersion = navigator.appVersion.replace(/.*?MSIE ([0-9]\.[0-9]).*/g,'$1')/1;

function showHideContent(e,inputId) {
	if(menu_slideInProgress)return;
	menu_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	
	var numericId = inputId.replace(/[^0-9]/g,'');
	var menuDiv = document.getElementById('menudiv_' + numericId);
	var answerDiv = document.getElementById('menu_a' + numericId);
	
	menuDiv.className = 'menudiv_active';
	objectIdToSlideDown = false;
	
	if(!answerDiv.style.display || answerDiv.style.display=='none'){		
		if(menu_activeId && menu_activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(menu_activeId,(menu_slideSpeed*-1));
			menuDiv = document.getElementById('menudiv_' + menu_activeId);
			menuDiv.className = 'menudiv';
		}else{
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';			
			slideContent(numericId,menu_slideSpeed);		
			/* ---- */
			var divs = document.getElementsByTagName('DIV');
			var linkCounter = 1;
			for(var no=0;no<divs.length;no++){
				if(divs[no].className=='link'){
					document.getElementById('linkdiv_'+linkCounter).className = 'linkdiv';
					linkCounter++;
				}
			}
			/* ---- */
		}
	}else{
		slideContent(numericId,(menu_slideSpeed*-1));
		menuDiv.className = 'menudiv';
		menu_activeId = false;	
		/* ---- */
		var divs = document.getElementsByTagName('DIV');
		var linkCounter = 1;
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='link'){
				document.getElementById('linkdiv_'+linkCounter).className = 'linkdiv'; 
				//setCookie('link_'+linkCounter,'hide'); //set link cookie to hide only when menu was clicked
				linkCounter++;
			}
		}
		/* ---- */
	}	
}

function slideContent(inputId,direction) {
	var obj =document.getElementById('menu_a' + inputId);
	var contentObj = document.getElementById('menu_ac' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}
	
	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',menu_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('menu_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('menu_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,menu_slideSpeed);				
			}else{
				menu_slideInProgress = false;
			}
		}else{
			menu_activeId = inputId;
			menu_slideInProgress = false;
		}
	}
}

function initShowHideDivs() {
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='more'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'menu_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'menu_a'+divCounter;
			if (MSIE && navigatorVersion < 7) document.getElementById('menu_a'+divCounter).style.top = '-9px'; /* inline-block workaround */
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='submenudiv_content';
			contentDiv.id = 'menu_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
		}
	}
	// set menudiv_ids
	var menus = document.getElementsByTagName('A');
	var menuCounter = 1;
	var linkCounter = 1;
	for(var no=0;no<menus.length;no++){
		if(menus[no].className=='menudiv'){
			menus[no].id = 'menudiv_'+menuCounter;
			menus[no].onclick = remember;
			menuCounter++;
		}else if(menus[no].className=='linkdiv'){
			menus[no].id = 'linkdiv_'+linkCounter;
			menus[no].onclick = rememberLink;
			linkCounter++;
		}
		
	}
	// set menu status after initializing divs
	setMenu();
}

function remember(e,inputId) { // remember menu status with cookie
	if(!inputId)inputId = this.id;
	var divs = document.getElementsByTagName('DIV');
	var numericId = inputId.replace(/[^0-9]/g,'');
	var menuCounter = linkCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='menu'){
			//if(menuCounter == numericId) setCookie('menu_'+numericId,'show'); // alert('menu_'+numericId+':'+'show'); //
			//else setCookie('menu_'+menuCounter,'hide'); // alert('menu_'+divCounter+':'+'hide'); //
			menuCounter++;
		} else if(divs[no].className=='link') { // hide submenu divs
			//alert('menu_'+menuCounter+':'+'hide');
			document.getElementById('linkdiv_'+linkCounter).className = 'linkdiv';
			//setCookie('link_'+linkCounter,'hide');
			linkCounter++;
		}
	}
}

function rememberLink(e,inputId) { // remember menu status with cookie
	if(!inputId)inputId = this.id;
	var divs = document.getElementsByTagName('DIV');
	var numericId = inputId.replace(/[^0-9]/g,'');
	var linkCounter = menuCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='link'){
			if(linkCounter == numericId) {
				//alert('link_'+numericId+':'+'show');
				document.getElementById('linkdiv_'+numericId).className = 'linkdiv_active'; 
				//setCookie('link_'+numericId,'show');
			}
			else {
				//alert('link_'+linkCounter+':'+'hide');
				document.getElementById('linkdiv_'+linkCounter).className = 'linkdiv'; 
				//setCookie('link_'+linkCounter,'hide');
			}
		linkCounter++;
		} else if(divs[no].className=='menu') { // hide submenu divs
			//alert('menu_'+menuCounter+':'+'hide');
			if(document.getElementById('menudiv_'+menuCounter).className == 'menudiv_active') showHideContent(e,'menu_'+menuCounter);
			//setCookie('menu_'+menuCounter,'hide');
			menuCounter++;
		}
	}
}

function setMenu() {
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	var linkCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='more'){
			//alert('menu_q'+divCounter);
			if(location.href.indexOf(document.getElementById('menudiv_'+divCounter).href) >= 0) {
			//if (getCookie('menu_' + divCounter) == 'show') {
				//alert('menu_q'+divCounter);
				showHideContent('undefined','menu_q'+divCounter);
			}
			divCounter++;
		}
		if(divs[no].className=='link'){
			//alert('menu_q'+divCounter);
			//alert(document.getElementById('linkdiv_'+linkCounter).href + '\n' + location.href) ;
			if(location.href.indexOf(document.getElementById('linkdiv_'+linkCounter).href) >= 0) {
			//if (getCookie('link_' + linkCounter) == 'show') {
				//alert('menu_q'+divCounter);
				//alert(document.getElementById('linkdiv_'+linkCounter));
				document.getElementById('linkdiv_'+linkCounter).className = 'linkdiv_active';
			}
			linkCounter++;
		}
	}
}