// JavaScript Document
var remember = false; //Remember menu states, and restore them on next visit.

var contractall_default= true; //Should all submenus be contracted by default? (true or false)



var menu, titles, submenus, arrows, bypixels;

var heights = new Array();



var n = navigator.userAgent;

if(/Opera/.test(n)) bypixels = 2;

else if(/Firefox/.test(n)) bypixels = 3;

else if(/MSIE/.test(n)) bypixels = 2;



/////DD added expandall() and contractall() functions/////



function slash_expandall(){

if (typeof menu!="undefined"){

	for(i=0; i<Math.max(titles.length, submenus.length); i++){

		titles[i].className="title";

		arrows[i].src = "images/minus.gif";

		submenus[i].style.display="";

		submenus[i].style.height = heights[i]+"px";

	}

}

}



function slash_contractall(){

if (typeof menu!="undefined"){

	for(i=0; i<Math.max(titles.length, submenus.length); i++){

		titles[i].className="titlehidden";

		arrows[i].src = "images/plus.gif";

		submenus[i].style.display="none";

		submenus[i].style.height = 0;

	}

}

}





/////End DD added functions///////////////////////////////





function init(){

    menu = getElementsByClassName("sdmenu", "div", document)[0];

    titles = getElementsByClassName("title", "span", menu);

    submenus = getElementsByClassName("submenu", "div", menu);

    arrows = getElementsByClassName("arrow", "img", menu);

    for(i=0; i<Math.max(titles.length, submenus.length); i++) {

        titles[i].onclick = gomenu;

        arrows[i].onclick = gomenu;

        heights[i] = submenus[i].offsetHeight;

        submenus[i].style.height = submenus[i].offsetHeight+"px";

    }

    if(remember)

				restore()

		else if (contractall_default) //DD added code

				slash_contractall() //DD added code

}



function restore() {

    if(getcookie("menu") != null) {

        var hidden = getcookie("menu").split(",");

        for(var i in hidden) {

            titles[hidden[i]].className = "titlehidden";

            submenus[hidden[i]].style.height = "0px";

            submenus[hidden[i]].style.display = "none";

            arrows[hidden[i]].src = "images/plus.gif";

        }

    }

}



function gomenu(e) {

    if (!e)

        var e = window.event;

    var ce = (e.target) ? e.target : e.srcElement;

    var sm;

    for(var i in titles) {

        if(titles[i] == ce || arrows[i] == ce)

            sm = i;

    }

    if(parseInt(submenus[sm].style.height) > parseInt(heights[sm])-2) {

        hidemenu(sm);

    } else if(parseInt(submenus[sm].style.height) < 2) {

        titles[sm].className = "title";

        showmenu(sm);

    }

}



function hidemenu(sm) {

    var nr = submenus[sm].getElementsByTagName("a").length*bypixels;

    submenus[sm].style.height = (parseInt(submenus[sm].style.height)-nr)+"px";

    var to = setTimeout("hidemenu("+sm+")", 0);

    if(parseInt(submenus[sm].style.height) <= nr) {

        clearTimeout(to);

        submenus[sm].style.display = "none";

        submenus[sm].style.height = "0px";

        arrows[sm].src = "images/plus.gif";

        titles[sm].className = "titlehidden";

    }

}



function showmenu(sm) {

    var nr = submenus[sm].getElementsByTagName("a").length*bypixels;

    submenus[sm].style.display = "";

    submenus[sm].style.height = (parseInt(submenus[sm].style.height)+nr)+"px";

    var to = setTimeout("showmenu("+sm+")", 0);

    if(parseInt(submenus[sm].style.height) > (parseInt(heights[sm])-nr)) {

        clearTimeout(to);

        submenus[sm].style.height = heights[sm]+"px";

        arrows[sm].src = "images/minus.gif";

    }

        

        

}



function store() {

    var hidden = new Array();

    for(var i in titles) {

        if(titles[i].className == "titlehidden")

            hidden.push(i);

    }

    putcookie("menu", hidden.join(","), 30);

}



function getElementsByClassName(strClassName, strTagName, oElm){

    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);

    var arrReturnElements = new Array();

    strClassName = strClassName.replace(/\-/g, "\\-");

    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");

    var oElement;

    for(var i=0; i<arrElements.length; i++){

        oElement = arrElements[i];      

        if(oRegExp.test(oElement.className)){

            arrReturnElements.push(oElement);

        }   

    }

    return (arrReturnElements)

}



function putcookie(c_name,value,expiredays) {

    var exdate=new Date();

    exdate.setDate(exdate.getDate()+expiredays);

    document.cookie = c_name + "=" + escape(value) + ((expiredays==null) ? "" : ";expires="+exdate);

}



function getcookie(c_name) {

    if(document.cookie.length > 0) {

        var c_start = document.cookie.indexOf(c_name + "=");

        if(c_start != -1) {

            c_start = c_start + c_name.length + 1;

            var c_end = document.cookie.indexOf(";",c_start);

            if(c_end == -1)

                c_end = document.cookie.length;

            return unescape(document.cookie.substring(c_start, c_end));

        }

    }

    return null;

}



window.onload = init;

if(remember) window.onunload = store;