function SDMenu(id) {
//debugger;
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = true;
	this.speed = 10;//5
	this.markCurrent = true;
	this.oneSmOnly = true;
}
SDMenu.prototype.init = function() {

	var mainInstance = this;
	
    for (var i = 0; i < this.submenus.length; i++)
	{
        if (this.submenus[i].getElementsByTagName("span").length>0)
        {
            if(i!=17)//16
		    this.submenus[i].getElementsByTagName("span")[0].onclick = function() {
			    mainInstance.toggleMenu(this.parentNode);
		    };
		}
	};
		
	if (this.markCurrent) {
		var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) {
				links[i].className = "current";
				break;
			}
	}
	
	if (this.remember) {
		var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		
		if (match) {
		
			var states = match[1].split("");
			for (var i = 0; i < states.length; i++)
			{
			   if(i==0 || i==4 || i==13 || i==17)//16
			    {
			        if(states[i]=='0')
			        {
			            this.submenus[i].className="collapsed";
			        }		    
			    }
            }
		}
		else
		{
            this.contraerMenus();
		}
	}
};

SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};

SDMenu.prototype.contraerMenus= function() {
    this.submenus[0].className="collapsed";
	this.submenus[4].className="collapsed";
	this.submenus[13].className="collapsed";
	this.submenus[16].className="collapsed";
	//this.submenus[17].className="collapsed";
};

SDMenu.prototype.expandMenu = function(submenu) {     
	var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var links = submenu.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
	var moveBy = Math.round(this.speed * links.length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);
	this.collapseOthers(submenu);
};

SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);
};

SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
		{
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
            {
                if (this.submenus[i].getElementsByTagName("span").length>0)
                {
                    this.collapseMenu(this.submenus[i]);
                }
            }
		}
	}
};

SDMenu.prototype.expandAll = function() {
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	    this.oneSmOnly = oldOneSmOnly;
};

SDMenu.prototype.collapseAll = function() {    
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
	if (this.remember) {
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);

		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("");
	}
};