/*
 * DO NOT REMOVE THIS NOTICE
 *
 * PROJECT:   MyGosuMenu
 * VERSION:   1.5.5
 * COPYRIGHT: (c) 2003-2009 Cezary Tomczak
 * LINK:      http://www.gosu.pl/MyGosuMenu/
 * LICENSE:   BSD revised (free for any use)
 */

function BarMenu(id) {
    this.box1Hover = true;
    this.box2Hover = true;
    this.highlightActive = false;

    this.init = function() {
        if (!document.getElementById(this.id)) {
            alert("Element '"+this.id+"' does not exist in this document. BarMenu cannot be initialized");
            return;
        }
        this.parse(document.getElementById(this.id).childNodes, this.tree, this.id);
    }

    this.parse = function(nodes, tree, id) {
        for (var i = 0; i < nodes.length; i++) {
            if (nodes[i].nodeType != 1) {
                continue;
            }
            if (nodes[i].className) {
                if ("box1" == nodes[i].className.substr(0, 4)) {
                    nodes[i].id = id + "-" + tree.length;
                    tree[tree.length] = new Array();
                    eval('nodes[i].onmouseover = function() { self.box1over("'+nodes[i].id+'"); }');
                    eval('nodes[i].onmouseout = function() { self.box1out("'+nodes[i].id+'"); }');
                    eval('nodes[i].onclick = function() { self.box1click("'+nodes[i].id+'"); }');
                }
                if ("section" == nodes[i].className) {
                    id = id + "-" + (tree.length - 1);
                    nodes[i].id = id + "-section";
                    tree = tree[tree.length - 1];
                }
                if ("box2" == nodes[i].className.substr(0, 4)) {
                    nodes[i].id = id + "-" + tree.length;
                    tree[tree.length] = new Array();
                    eval('nodes[i].onmouseover = function() { self.box2over("'+nodes[i].id+'", "'+nodes[i].className+'"); }');
                    eval('nodes[i].onmouseout = function() { self.box2out("'+nodes[i].id+'", "'+nodes[i].className+'"); }');
                }
            }
            if (this.highlightActive && nodes[i].tagName && nodes[i].tagName == "A") {
                if (document.location.href == nodes[i].href) {
                    nodes[i].className = (nodes[i].className ? ' active' : 'active')
                }
            }
            if (nodes[i].childNodes) {
                this.parse(nodes[i].childNodes, tree, id);
            }
        }
        /* extra loop to hide items */
        for (var i = 0; i < nodes.length; i++) {
            if (nodes[i].nodeType != 1) {
                continue;
            }
            if (nodes[i].className) {
                if ("box1" == nodes[i].className) {
                  this.hide(nodes[i].id);
                }
            }
        }
                  
    }

    this.box1over = function(id) {
        if (!this.box1Hover) return;
        if (!document.getElementById(id)) return;
        document.getElementById(id).className = (this.id_openbox == id ? "box1-open-hover" : "box1-hover");
    }

    this.box1out = function(id) {
        if (!this.box1Hover) return;
        if (!document.getElementById(id)) return;
        document.getElementById(id).className = (this.id_openbox == id ? "box1-open" : "box1");
    }

    this.box1click = function(id) {
        if (!document.getElementById(id) || !document.getElementById(id + "-section")) {
            return;
        }
        var className = document.getElementById(id).className;
        if ("box1-hover" == className) {
            document.getElementById(id).className = "box1-open-hover";
            this.show(id);
        } else if ("box1-open-hover" == className) {
            document.getElementById(id).className = "box1-hover";
            this.hide(id);
        } else if ("box1" == className) {
            document.getElementById(id).className = "box1-open";
            this.show(id);
            setCookie(id, 'box1-open', '28');
        } else {
            document.getElementById(id).className = "box1";
            this.hide(id);
            setCookie(id, 'box1', '28');
        }
    }

    this.box2over = function(id, className) {
        if (!this.box2Hover) return;
        if (!document.getElementById(id)) return;
        document.getElementById(id).className = className + "-hover";
    }

    this.box2out = function(id, className) {
        if (!this.box2Hover) return;
        if (!document.getElementById(id)) return;
        document.getElementById(id).className = className;
    }

    this.show = function(id) {
        if (document.getElementById(id + "-section")) {
            document.getElementById(id + "-section").style.display = "block";
        }
    }

    this.hide = function(id) {
        document.getElementById(id + "-section").style.display = "none";
    }

    var self = this;
    this.id = id;
    this.tree = new Array();
}

/* I did this myself to store states */
function setCookie(c_name,value,expiredays) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}