function mhHover(tbl,idx,cls)
		{
		var t,d;
			if(document.getElementById)t=document.getElementById(tbl);
			else t=document.all(tbl);
			if(t==null)return;
			if(t.getElementsByTagName)d=t.getElementsByTagName("TD");
			else d=t.all.tags("TD");
			if(d==null)return;
			if(d.length<=idx)return;d[idx].className=cls;
			//if ((cls=="ml1")&(tbl=="menuelinks"))mhopen("hallo12");
		}

function DropDownMenuX(id) 
	{
	    /* Type of the menu: "horizontal" or "vertical" */
    	this.type = "vertical";

   		/* Delay (in miliseconds >= 0): show-hide menu
     	* Hide must be > 0 */
    	this.delay = { "show": 0, "hide": 800 }
    	/* 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": -4, "left": 2}}

		/* 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) + "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];}
	}

