/**
 * X-browser event handler attachment and detachment
 *
 * @argument obj - the object to attach event to
 * @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
 * @argument fn - function to call
 */
function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
 } else {
    return false;
 }
}
function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}

/**
 * Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/
 *
 * Modified 09/11/05 to work with Opera/Moz (by webmaster at visualresourcer dot com)
 *
 * Gets the full width/height because it's different for most browsers.
 */
function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 
	return window.undefined; 
}
function getViewportWidth() {
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
	return window.undefined; 
}

/***************************************************************************
Fading news scripts
****************************************************************************/

//scroller width
var swidth = 100
//scroller height
var sheight = 100
//background color
var sbcolor = '#FFFFFF'
//scroller's speed
var sspeed = 1
// The message
var msg = ''

var resumesspeed = sspeed

function startNews(i_msg)
{
  msg = i_msg;
  
  if(document.all)
    iemarquee(slider);
  else if(document.getElementById)
    ns6marquee(document.getElementById('slider'));
  else if(document.layers)
    ns4marquee(document.slider1.document.slider2);
}

function iemarquee(whichdiv)
{
  // Use this div because it is outside all content divs of the page
  contentDiv = eval('divDescription');
  iediv = eval(whichdiv)
  iediv.style.pixelTop = sheight
  iediv.innerHTML = msg
  // Set the message to the contentdiv too to get the height of the text
  contentDiv.innerHTML = msg
  sizeup = contentDiv.offsetHeight
  ieslide()
}

function ieslide()
{
  if (iediv.style.pixelTop>=sizeup*(-1))
  {
    iediv.style.pixelTop-=sspeed
    setTimeout("ieslide()",100)
  }
  else
  {
    iediv.style.pixelTop=sheight
    ieslide()
  }
}

function ns4marquee(whichlayer)
{
  ns4layer=eval(whichlayer)
  ns4layer.top=sheight
  ns4layer.document.write(msg)
  ns4layer.document.close()
  sizeup=ns4layer.document.height
  ns4slide()
}

function ns4slide()
{
  if (ns4layer.top>=sizeup*(-1))
  {
    ns4layer.top-=sspeed
    setTimeout("ns4slide()",100)
  }
  else
  {
    ns4layer.top=sheight
    ns4slide()
  }
}

function ns6marquee(whichdiv)
{
  ns6div=eval(whichdiv)
  ns6div.style.top=sheight
  ns6div.innerHTML=msg
  sizeup=ns6div.offsetHeight
  ns6slide()
}

function ns6slide()
{
  if (parseInt(ns6div.style.top)>=sizeup*(-1))
  {
    ns6div.style.top=parseInt(ns6div.style.top)-sspeed
    setTimeout("ns6slide()",100)
  }
  else
  {
    ns6div.style.top=sheight
    ns6slide()
  }
}

function showMessage(i_message)
{
  var message = document.getElementById('bsMessage');
  if(message)
  {
    message.style.display = 'block';
    message.innerHTML = i_message;
  }
}

function getTodaysDate()
{
  var date = new Date();
  var curDay = date.getDate();
  var curMonth = date.getMonth();
  var curYear = date.getFullYear();
  return (curDay + "/" + curMonth + "/" + curYear);
}

/***************************************************************************
Popover script
****************************************************************************/

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

var bw = lib_bwcheck()

var fromX = 0 //How much from the actual mouse X should the description box appear?
var fromY = 0 //How much from the actual mouse Y should the description box appear?

//To set the font size, font type, border color or remove the border or whatever,
//change the clDescription class in the stylesheet.

//Makes crossbrowser object.
function makeObj(obj)
{								
  this.evnt = bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?document.layers[obj]:0;
	
	if(!this.evnt)
	  return false
	
	this.css=bw.dom||bw.ie4?this.evnt.style:bw.ns4?this.evnt:0;	
  this.wref=bw.dom||bw.ie4?this.evnt:bw.ns4?this.css.document:0;		
	this.writeIt=b_writeIt;																
	
	return this
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

function b_writeIt(i_text)
{
	if (bw.ns4)
	{
	  this.wref.write(text);
	  this.wref.close();
	}
	else 
	  this.wref.innerHTML = i_text;
}

//Capturing mousemove
var descx = 0;
var descy = 0;

function popmousemove(e)
{
  descx = bw.ns4||bw.ns6?e.pageX:event.x;
  descy = bw.ns4||bw.ns6?e.pageY:event.y;
}

var oDesc;
var oElement;
var popupOn = false;

//Shows the messages
function popup(i_element, i_text)
{
  popup(i_element, '', i_text, 'BR');
}

function popup(i_element, i_caption, i_text)
{
  popup(i_element, i_caption, i_text, 'BR');
}

// i_caption  : The title of the popup dialog window
// i_text     : The text to appear in the popup window
// i_position : The position of the window relative to the cursor
//              TL: top left
//              TR: top right
//              BL: bottom left
//              BR: bottom right
function popup(i_element, i_caption, i_text, i_position)
{ 
    oElement = i_element;
    popupOn = true;
    
    if(oDesc)
    { 
      if(i_caption.length > 0)
        oDesc.writeIt('<div class="clOverWidth"><div class="clCaption">' + i_caption + '</div><br><div class="clDescription">' + i_text + '</div></div>');
      else
        oDesc.writeIt('<div class="clOverWidth"><div class="clDescription">' + i_text + '</div></div>');

      // Get the sizes of the popup and parent window
	    var popupWidth = oDesc.wref.offsetWidth;
	    var popupHeight = oDesc.wref.offsetHeight;
	    var bodyWidth = document.body.offsetWidth;
	    var bodyHeight = document.body.offsetHeight;
		  
		  // Get the vertical scrollpostition to start from
		  var ndescx = findPos(i_element)[0];
		  var ndescy = findPos(i_element)[1] + document.body.scrollTop;

      var leftPos = 0;
      var topPos = 0;
	    if(i_position == 'TL')
	    {
	      // Check if the popup won't bounce out of screen
	      leftPos = ndescx + fromX;
	      if((leftPos + popupWidth) > bodyWidth)
	        leftPos = bodyWidth - popupWidth - 25; // 25 pixels is the width of the scrollbar on the right

        topPos = ndescy + fromY;
        if((topPos + popupHeight) > bodyHeight)
          topPos = bodyHeight - popupHeight - 25; // 25 pixels is the width of the scrollbar on the right
        
        
		  }
		  else if(i_position == 'BR')
		  {
		    leftPos = ndescx - fromX - popupWidth;
		    if(leftPos < 0)
		      leftPos = fromX;
		      
		    topPos = ndescy - fromY - popupHeight;
		    if(topPos < document.body.scrollTop)
		      topPos = document.body.scrollTop; 
		  }
		  oDesc.css.top = topPos + px;
		  oDesc.css.left = leftPos + px;
		  oDesc.css.visibility = "visible";
    }
}

//Hides it
function popout()
{
  if(popupOn)
    return;
    
	if(oDesc)
	  oDesc.css.visibility = "hidden";
}



function setPopup()
{
   	if(bw.ns4)
   	  document.captureEvents(Event.MOUSEMOVE);
    
    document.onmousemove = popmousemove;
	  oDesc = new makeObj('divDescription');
}

/***************************************************************************
  DHTML DROPDOWN MENU
***************************************************************************/
/*
 * DO NOT REMOVE THIS NOTICE
 *
 * PROJECT:   mygosuMenu
 * VERSION:   1.1.6
 * COPYRIGHT: (c) 2003,2004 Cezary Tomczak
 * LINK:      http://gosu.pl/dhtml/mygosumenu.html
 * LICENSE:   BSD (revised)
 */

/*
  Todo, bugs to fix:
  - delay.show = 400 , delay.hide = 400
    go Product Three -> Live Demo -> Test Drive -> Test Three , go fast to Product Four.
    Result: 2 elements highlighted in the same section
  - delay.show = 0 , delay.hide = 400
    go Product Three -> Live Demo , section out , section over, seciont out.
    Result: Live Demo is not highlighted
  - active className changing, unnecessary blink
  - opera: hideSection() exceptions are throwed
*/

function DropDownMenuX(id) {

    /* Type of the menu: "horizontal" or "vertical" */
    this.type = "horizontal";

    /* Delay (in miliseconds >= 0): show-hide menu
     * Hide must be > 0 */
    this.delay = {
        "show": 0,
        "hide": 400
    }
    /* Change the default position of sub-menu by Y pixels from top and X pixels from left
     * Negative values are allowed */
    this.position = {
        "level1": { "top": 0, "left": 0},
        "levelX": { "top": 0, "left": 0}
    }

    /* fix ie selectbox bug ? */
    this.fixIeSelectBoxBug = true;

    /* Z-index property for .section */
    this.zIndex = {
        "visible": 500,
        "hidden": -1
    };

    // Browser detection
    this.browser = {
        "ie": Boolean(document.body.currentStyle),
        "ie5": (navigator.appVersion.indexOf("MSIE 5.5") != -1 || navigator.appVersion.indexOf("MSIE 5.0") != -1),
        "ie6": (navigator.appVersion.indexOf("MSIE 6.0") != -1)
    };
    
    if (!this.browser.ie) {
        this.browser.ie5 = false;
        this.browser.ie6 = false;
    }

    /* Initialize the menu */
    this.init = function() {
        if (!document.getElementById(this.id)) { return alert("DropDownMenuX.init() failed. Element '"+ this.id +"' does not exist."); }
        if (this.type != "horizontal" && this.type != "vertical") { return alert("DropDownMenuX.init() failed. Unknown menu type: '"+this.type+"'"); }
        if (this.browser.ie && this.browser.ie5) { fixWrap(); }
        fixSections();
        parse(document.getElementById(this.id).childNodes, this.tree, this.id);
    }

    /* Search for .section elements and set width for them */
    function fixSections() {
        var arr = document.getElementById(self.id).getElementsByTagName("div");
        var sections = new Array();
        var widths = new Array();
        
        for (var i = 0; i < arr.length; i++) {
            if (arr[i].className == "section") {
                sections.push(arr[i]);
            }
        }
        for (var i = 0; i < sections.length; i++) {
            widths.push(getMaxWidth(sections[i].childNodes));
        }
        for (var i = 0; i < sections.length; i++) {
            sections[i].style.width = (widths[i]) + "px";
        }
        if (self.browser.ie) {
            for (var i = 0; i < sections.length; i++) {
                setMaxWidth(sections[i].childNodes, widths[i]);
            }
        }
    }

    function fixWrap() {
        var elements = document.getElementById(self.id).getElementsByTagName("a");
        for (var i = 0; i < elements.length; i++) {
            if (/item2/.test(elements[i].className)) {
                elements[i].innerHTML = '<div nowrap="nowrap">'+elements[i].innerHTML+'</div>';
            }
        }
    }

    /* Search for an element with highest width among given nodes, return that width */
    function getMaxWidth(nodes) {
        var maxWidth = 0;
        for (var i = 0; i < nodes.length; i++) {
            if (nodes[i].nodeType != 1 || /section/.test(nodes[i].className)) { continue; }
            if (nodes[i].offsetWidth > maxWidth) { maxWidth = nodes[i].offsetWidth; }
        }
        return maxWidth;
    }

    /* Set width for item2 elements */
    function setMaxWidth(nodes, maxWidth) {
        for (var i = 0; i < nodes.length; i++) {
            if (nodes[i].nodeType == 1 && /item2/.test(nodes[i].className) && nodes[i].currentStyle) {
                if (self.browser.ie5) {
                    nodes[i].style.width = (maxWidth) + "px";
                } else {
                    nodes[i].style.width = (maxWidth - parseInt(nodes[i].currentStyle.paddingLeft) - parseInt(nodes[i].currentStyle.paddingRight)) + "px";
                }
            }
        }
    }

    /* Parse nodes, create events, position elements */
    function parse(nodes, tree, id) {
        for (var i = 0; i < nodes.length; i++) {
            if (1 != nodes[i].nodeType) {
                continue;
            }
            switch (true) {
                // .item1
                case /\bitem1\b/.test(nodes[i].className):
                    nodes[i].id = id + "-" + tree.length;
                    tree.push(new Array());
                    nodes[i].onmouseover = itemOver;
                    nodes[i].onmouseout = itemOut;
                    break;
                // .item2
                case /\bitem2\b/.test(nodes[i].className):
                    nodes[i].id = id + "-" + tree.length;
                    tree.push(new Array());
                    nodes[i].onmouseover = itemOver;
                    nodes[i].onmouseout = itemOut;
                    break;
                // .section
                case /\bsection\b/.test(nodes[i].className):
                    // id, events
                    nodes[i].id = id + "-" + (tree.length - 1) + "-section";
                    nodes[i].onmouseover = sectionOver;
                    nodes[i].onmouseout = sectionOut;
                    // position
                    var box1 = document.getElementById(id + "-" + (tree.length - 1));
                    var box2 = document.getElementById(nodes[i].id);
                    var el = new Element(box1.id);
                    if (1 == el.level) {
                        if ("horizontal" == self.type) {
                            box2.style.top = box1.offsetTop + box1.offsetHeight + self.position.level1.top + "px";
                            if (self.browser.ie5) {
                                box2.style.left = self.position.level1.left + "px";
                            } else {
                                box2.style.left = box1.offsetLeft + self.position.level1.left + "px";
                            }
                        } else if ("vertical" == self.type) {
                            box2.style.top = box1.offsetTop + self.position.level1.top + "px";
                            if (self.browser.ie5) {
                                box2.style.left = box1.offsetWidth + self.position.level1.left + "px";
                            } else {
                                box2.style.left = box1.offsetLeft + box1.offsetWidth + self.position.level1.left + "px";
                            }
                        }
                    } else {
                        box2.style.top = box1.offsetTop + self.position.levelX.top + "px";
                        box2.style.left = box1.offsetLeft + box1.offsetWidth + self.position.levelX.left + "px";
                    }
                    // sections, sectionsShowCnt, sectionsHideCnt
                    self.sections.push(nodes[i].id);
                    self.sectionsShowCnt.push(0);
                    self.sectionsHideCnt.push(0);
                    if (self.fixIeSelectBoxBug && self.browser.ie6) {
                        nodes[i].innerHTML = nodes[i].innerHTML + '<iframe id="'+nodes[i].id+'-iframe" src="javascript:false;" scrolling="no" frameborder="0" style="position: absolute; top: 0px; left: 0px; display: none; filter:alpha(opacity=0);"></iframe>';
                    }
                    break;
            }
            if (nodes[i].childNodes) {
                if (/\bsection\b/.test(nodes[i].className)) {
                    parse(nodes[i].childNodes, tree[tree.length - 1], id + "-" + (tree.length - 1));
                } else {
                    parse(nodes[i].childNodes, tree, id);
                }
            }
        }
    }

    /* event, item:onmouseover */
    function itemOver() {
        //debug("itemOver("+this.id+") , visible = " + self.visible);
        self.itemShowCnt++;
        var id_section = this.id + "-section";
        if (self.visible.length) {
            var el = new Element(self.visible.getLast());
            el = document.getElementById(el.getParent().id);
            if (/item\d-active/.test(el.className)) {
                el.className = el.className.replace(/(item\d)-active/, "$1");
            }
        }
        if (self.sections.contains(id_section)) {
            clearTimers();
            self.sectionsHideCnt[self.sections.indexOf(id_section)]++;
            var cnt = self.sectionsShowCnt[self.sections.indexOf(id_section)];
            var timerId = setTimeout(function(a, b) { return function() { self.showSection(a, b); } } (id_section, cnt), self.delay.show);
            self.timers.push(timerId);
        } else {
            if (self.visible.length) {
                clearTimers();
                var timerId = setTimeout(function(a, b) { return function() { self.showItem(a, b); } } (this.id, self.itemShowCnt), self.delay.show);
                self.timers.push(timerId);
            }
        }
    }

    /* event, item:onmouseout */
    function itemOut() {
        //debug("itemOut("+this.id+") , visible = " + self.visible);
        self.itemShowCnt++;
        var id_section = this.id + "-section";
        if (self.sections.contains(id_section)) {
            self.sectionsShowCnt[self.sections.indexOf(id_section)]++;
            if (self.visible.contains(id_section)) {
                var cnt = self.sectionsHideCnt[self.sections.indexOf(id_section)];
                var timerId = setTimeout(function(a, b) { return function() { self.hideSection(a, b); } }(id_section, cnt), self.delay.hide);
                self.timers.push(timerId);
            }
        }
    }

    /* event, section:onmouseover */
    function sectionOver() {
        //debug("sectionOver("+this.id+") , visible = " + self.visible);
        self.sectionsHideCnt[self.sections.indexOf(this.id)]++;
        var el = new Element(this.id);
        var parent = document.getElementById(el.getParent().id);
        if (!/item\d-active/.test(parent.className)) {
            parent.className = parent.className.replace(/(item\d)/, "$1-active");
        }
    }

    /* event, section:onmouseout */
    function sectionOut() {
        //debug("sectionOut("+this.id+") , visible = " + self.visible);
        self.sectionsShowCnt[self.sections.indexOf(this.id)]++;
        var cnt = self.sectionsHideCnt[self.sections.indexOf(this.id)];
        var timerId = setTimeout(function(a, b) { return function() { self.hideSection(a, b); } }(this.id, cnt), self.delay.hide);
        self.timers.push(timerId);
    }

    /* Show section (1 argument passed)
     * Try to show section (2 arguments passed) - check cnt with sectionShowCnt */
    this.showSection = function(id, cnt) {
        if (typeof cnt != "undefined") {
            if (cnt != this.sectionsShowCnt[this.sections.indexOf(id)]) { return; }
        }
        //debug("showSection("+id+", "+cnt+") , visible = " + this.visible);
        this.sectionsShowCnt[this.sections.indexOf(id)]++;
        if (this.visible.length) {
            if (id == this.visible.getLast()) { return; }
            var el = new Element(id);
            var parents = el.getParentSections();
            //debug("getParentSections("+el.id+") = " + parents);
            for (var i = this.visible.length - 1; i >= 0; i--) {
                if (parents.contains(this.visible[i])) {
                    break;
                } else {
                    this.hideSection(this.visible[i]);
                }
            }
        }
        var el = new Element(id);
        var parent = document.getElementById(el.getParent().id);
        if (!/item\d-active/.test(parent.className)) {
            parent.className = parent.className.replace(/(item\d)/, "$1-active");
        }
        if (document.all) { document.getElementById(id).style.display = "block"; }
        document.getElementById(id).style.visibility = "visible";
        document.getElementById(id).style.zIndex = this.zIndex.visible;
        if (this.fixIeSelectBoxBug && this.browser.ie6) {
            var div = document.getElementById(id);
            var iframe = document.getElementById(id+"-iframe");
            iframe.style.width = div.offsetWidth + parseInt(div.currentStyle.borderLeftWidth) + parseInt(div.currentStyle.borderRightWidth);
            iframe.style.height = div.offsetHeight + parseInt(div.currentStyle.borderTopWidth) + parseInt(div.currentStyle.borderBottomWidth);
            iframe.style.top = -parseInt(div.currentStyle.borderTopWidth);
            iframe.style.left = -parseInt(div.currentStyle.borderLeftWidth);
            iframe.style.zIndex = div.style.zIndex - 1;
            iframe.style.display = "block";
        }
        this.visible.push(id);
    }

    /* Emulating an empty non-existent section, we have to hide elements, works like showSection() */
    this.showItem = function(id, cnt) {
        if (typeof cnt != "undefined") {
            if (cnt != this.itemShowCnt) { return; }
        }
        this.itemShowCnt++;
        if (this.visible.length) {
            var el = new Element(id + "-section");
            var parents = el.getParentSections();
            //debug("showItem() getParentSections("+el.id+") = " + parents);
            for (var i = this.visible.length - 1; i >= 0; i--) {
                if (parents.contains(this.visible[i])) {
                    break;
                } else {
                    this.hideSection(this.visible[i]);
                }
            }
        }
    }

    /* Hide section (1 argument passed)
     * Try to hide section (2 arguments passed) - check cnt with sectionHideCnt */
    this.hideSection = function(id, cnt) {
        if (typeof cnt != "undefined") {
            if (cnt != this.sectionsHideCnt[this.sections.indexOf(id)]) { return; }
            if (id == this.visible.getLast()) {
                //debug("hideSectionAll("+id+", "+cnt+") , visible = " + this.visible);
                for (var i = this.visible.length - 1; i >= 0; i--) {
                    this.hideSection(this.visible[i]);
                }
                return;
            }
        }
        //debug("hideSection("+id+", "+cnt+") , visible = " + this.visible);
        var el = new Element(id);
        var parent = document.getElementById(el.getParent().id);
        if (/item\d-active/.test(parent.className)) {
            parent.className = parent.className.replace(/(item\d)-active/, "$1");
        }
        document.getElementById(id).style.zIndex = this.zIndex.hidden;
        document.getElementById(id).style.visibility = "hidden";
        if (document.all) { document.getElementById(id).style.display = "none"; }
        if (this.fixIeSelectBoxBug && this.browser.ie6) {
            var iframe = document.getElementById(id+"-iframe");
            iframe.style.display = "none";
        }
        if (this.visible.contains(id)) {
            if (id == this.visible.getLast()) {
                this.visible.pop();
            } else {
                //throw "DropDownMenuX.hideSection('"+id+"', "+cnt+") failed, trying to hide a section that is not the deepest visible section";
                return;
            }
        } else {
            //throw "DropDownMenuX.hideSection('"+id+"', "+cnt+") failed, cannot hide element that is not visible";
            return;
        }
        this.sectionsHideCnt[this.sections.indexOf(id)]++;
    }

    /* Element (.section, .item2 etc) */
    function Element(id) {
        
        this.menu = self;
        this.id = id;

        /* Get Level of given id
         * Examples: menu-1 (1 level), menu-1-4 (2 level) */
        this.getLevel = function() {
            var s = this.id.substr(this.menu.id.length);
            return s.substrCount("-");
        }

        /* Get parent Element */
        this.getParent = function() {
            var s = this.id.substr(this.menu.id.length);
            var a = s.split("-");
            a.pop();
            return new Element(this.menu.id + a.join("-"));
        }

        /* Check whether an element has a parent element */
        this.hasParent = function() {
            var s = this.id.substr(this.menu.id.length);
            var a = s.split("-");
            return a.length > 2;
        }

        /* Check whether an element has a sub-section */
        this.hasChilds = function() {
            return Boolean(document.getElementById(this.id + "-section"));
        }

        /* Get parent section elements for current section */
        this.getParentSections = function() {
            var s = this.id.substr(this.menu.id.length);
            s = s.substr(0, s.length - "-section".length);
            var a = s.split("-");
            a.shift();
            a.pop();
            var s = this.menu.id;
            var parents = [];
            for (var i = 0; i < a.length; i++) {
                s += ("-" + a[i]);
                parents.push(s + "-section");
            }
            return parents;
        }
        
        this.level = this.getLevel();
    }

    /* Clear all timers set with setTimeout() */
    function clearTimers() {
        for (var i = self.timers.length - 1; i >= 0; i--) {
            clearTimeout(self.timers[i]);
            self.timers.pop();
        }
    }

    var self = this;
    this.id = id; /* menu id */
    this.tree = []; /* tree structure of menu */
    this.sections = []; /* all sections, required for timeout */
    this.sectionsShowCnt = [];
    this.sectionsHideCnt = [];
    this.itemShowCnt = 0;
    this.timers = []; // timeout ids
    this.visible = []; /* visible section, ex. Array("menu-0-section", ..) , succession is important: top to bottom */
}

/* Finds the index of the first occurence of item in the array, or -1 if not found */
if (typeof Array.prototype.indexOf == "undefined") {
    Array.prototype.indexOf = function(item) {
        for (var i = 0; i < this.length; i++) {
            if (this[i] === item) {
                return i;
            }
        }
        return -1;
    }
}

/* Check whether array contains given string */
if (typeof Array.prototype.contains == "undefined") {
    Array.prototype.contains = function(s) {
        for (var i = 0; i < this.length; i++) {
            if (this[i] === s) {
                return true;
            }
        }
        return false;
    }
}

/* Counts the number of substring occurrences */
if (typeof String.prototype.substrCount == "undefined") {
    String.prototype.substrCount = function(s) {
        return this.split(s).length - 1;
    }
}

/* Get the last element from the array */
if (typeof Array.prototype.getLast == "undefined") {
    Array.prototype.getLast = function() {
        return this[this.length-1];
    }
}