//*****************************************************************************
// aggiunto da bicio per gestione array su vecchi browser (IE5 ecc.)
//*****************************************************************************
//*****************************************************************************

/* arrayprototype.js
 * by Peter Belesis. v1.0 000516
 * Copyright (c) 2000 Peter Belesis. All Rights Reserved.
 * Originally published and documented at <a href="http://www.dhtmlab.com/">http://www.dhtmlab.com/</a>

 * License to use is granted if and only if this entire copyright notice
 * is included.
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * ---------------------------------------------------------------------
-
 * array_roll function (c) 2001 Esben Maal�e, same licensing terms as 
above.
*/

/* arrayprototype.js
 * by Peter Belesis. v1.0 000516
 * Copyright (c) 2000 Peter Belesis. All Rights Reserved.
 * Originally published and documented at http://www.dhtmlab.com/
 * License to use is granted if and only if this entire copyright notice
 * is included.
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * ---------------------------------------------------------------------
-
 * array_roll function (c) 2001 Esben Maal�e, same licensing terms as 
above.
*/

if(Array.prototype.push && ([0].push(true)==true))
Array.prototype.push = null;
if(Array.prototype.splice && typeof([0].splice(0))=="number")
Array.prototype.splice = null;

if(!Array.prototype.shift) {
	function array_shift() {
		firstElement = this[0];
		this.reverse();
		this.length = Math.max(this.length-1,0);
		this.reverse();
		return firstElement;
	}
	Array.prototype.shift = array_shift;
}

if(!Array.prototype.unshift) {
	function array_unshift() {
		this.reverse();
		for(var i=arguments.length-1;i>=0;i--){
			this[this.length]=arguments[i]
		}
		this.reverse();
		return this.length
	}
	Array.prototype.unshift = array_unshift;
}

if(!Array.prototype.push) {
	function array_push() {
		for(var i=0;i<arguments.length;i++){
			this[this.length]=arguments[i]
		};
		return this.length;
	}
	Array.prototype.push = array_push;
}

if(!Array.prototype.pop) {
	function array_pop(){
	    lastElement = this[this.length-1];
		this.length = Math.max(this.length-1,0);
	    return lastElement;
	}

	Array.prototype.pop = array_pop;
}

if(!Array.prototype.splice) {
    function array_splice(ind,cnt){
        if(arguments.length == 0) return ind;
        if(typeof ind != "number") ind = 0;
        if(ind < 0) ind = Math.max(0,this.length + ind);
        if(ind > this.length) {
            if(arguments.length > 2) ind = this.length;
            else return [];
        }
        if(arguments.length < 2) cnt = this.length-ind;
        cnt = (typeof cnt == "number") ? Math.max(0,cnt) : 0;
        removeArray = this.slice(ind,ind+cnt);
        endArray = this.slice(ind+cnt);
        this.length = ind;
        for(var i=2;i<arguments.length;i++){
            this[this.length] = arguments[i];
        }
        for(var i=0;i<endArray.length;i++){
            this[this.length] = endArray[i];
        }
        return removeArray;
    }
	Array.prototype.splice = array_splice;
}

if (!window.Array.prototype.roll)
{
	function array_roll (direction) {
		
		direction = direction || false
		if ( !direction )
		{
			this.splice(this.length, 1, this[0])
			this.splice(0,1)
		} else
		{
			this.splice(0,0, this[this.length-1])
			this.splice(this.length-1,1)
		}
	}
	window.Array.prototype.roll = array_roll; 
}



//*****************************************************************************
// fine aggiunto da bicio per gestione array su vecchi browser (IE5 ecc.)
//*****************************************************************************
//*****************************************************************************


/*
 * 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),
        "safari": (navigator.appVersion.indexOf("Safari") != -1)
    };
    
    if (!this.browser.ie) {
        this.browser.ie5 = false;
        this.browser.ie6 = false;
    }

    /* Initialize the menu */
    this.init = function() {
//alert('qui siamo 3');    	
        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);
//alert('qui siamo 5');    	
    }

    /* 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 {
                	
//alert(maxWidth);
                    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):
//alert('qui siamo 7');    	
                    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):
 //alert('qui siamo 8');    	
                   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):
 //alert('qui siamo 9');    	
                   // id, events
                    nodes[i].id = id + "-" + (tree.length - 1) + "-section";
                    nodes[i].onmouseover = sectionOver;
                    nodes[i].onmouseout = sectionOut;
                    // position
//alert(id + "-" + (tree.length - 1));    	
                    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;
//            	default:
//            		alert(nodes[i]);
            }
            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() {
        // alert("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() {
        // alert("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; }
        }
        // alert("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 div = document.getElementById(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) { div.style.display = "block"; }
        div.style.visibility = "visible";
        div.style.zIndex = this.zIndex.visible;
        if (this.fixIeSelectBoxBug && this.browser.ie6) {
            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";
        }
        // inizio aggiunto da bicio
        if (parent.className.indexOf('item2') == -1)
        	{
	        var menu = document.getElementById(this.id);
		    if (this.type == 'horizontal')
		    	{
		    	if (this.browser.ie && menu.style.position == 'absolute')
		    		{
	    			div.style.top = (parent.offsetHeight + this.position.level1.top) + 'px';
			    	div.style.left = (this.getAbsLeft(parent) + this.position.level1.left - menu.offsetLeft) + 'px';
		    		}
		    	else if (this.browser.safari && menu.style.position == 'absolute')
		    		{
	    			div.style.top = (parent.offsetHeight + this.position.level1.top) + 'px';
			    	div.style.left = (parent.offsetLeft + this.position.level1.left) + 'px';
		    		}
		    	else
		    		{
		    		div.style.top = (this.getAbsTop(parent) + parent.offsetHeight + this.position.level1.top) + 'px';
		    		div.style.left = (this.getAbsLeft(parent) + this.position.level1.left) + 'px';
			    	}
		    	}
		    else if (this.type == 'vertical')
		    	{
		    	if (this.browser.ie && menu.style.position == 'absolute')
		    		{
			    	div.style.top = (parent.offsetTop + this.position.level1.top) + 'px';
		    		div.style.left = (this.getAbsLeft(parent) + parent.offsetWidth + this.position.level1.left - menu.offsetLeft) + 'px';
		    		}
		    	else if (this.browser.safari && menu.style.position == 'absolute')
		    		{
	    			div.style.top = (parent.offsetTop + this.position.level1.top) + 'px';
			    	div.style.left = (parent.offsetLeft + parent.offsetWidth + this.position.level1.left) + 'px';
		    		}
		    	else
			    	{
			    	div.style.top = (this.getAbsTop(parent) + this.position.level1.top) + 'px';
		    		div.style.left = (this.getAbsLeft(parent) + parent.offsetWidth + this.position.level1.left) + 'px';
		    		}
	    		}
        	}
//         fine aggiunto da bicio
       
        this.visible.push(id);
    }
    
    // aggiunto da bicio
    this.getAbsTop = function (el)
    	{
    	var topo = el.offsetTop;
   	while (el.offsetParent)
    		{
    		topo += el.offsetParent.offsetTop;
    		el = el.offsetParent;
    		}
    	return topo;
    	}

    this.getAbsLeft = function (el)
    	{
    	var lefto = el.offsetLeft;
    	while (el.offsetParent)
    		{
    		lefto += el.offsetParent.offsetLeft;
    		el = el.offsetParent;
    		}
    	return lefto;
    	}
    // fine aggiunto da bicio

    /* 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()) {
                //alert("hideSectionAll("+id+", "+cnt+") , visible = " + this.visible);
                for (var i = this.visible.length - 1; i >= 0; i--) {
                    this.hideSection(this.visible[i]);
                // aggiunto da bicio (nasconde l'intero menu)
                HideDDMM();
                }
                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];
    }
}