function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = true;
	this.speed = 100000;
	this.markCurrent = true;
	this.oneSmOnly = false;
}
SDMenu.prototype.init = function() {
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++)
		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++){
                            
                        //alert(this.submenus[i].getElementsByTagName("span")[0].offsetHeight );
                            minHeight = this.submenus[i].getElementsByTagName("span")[0].offsetHeight;


                            if(minHeight > 27){
                             this.submenus[i].className = (states[i] == 0 ? "collapsed1" : "");
                            } else {
                             this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
                            }
                        }
		} else {

                      mainInstance.collapseAll();
                         mainInstance.expandKunet();
                }
	} else {


         
            //mainInstance.expandAll();
             mainInstance.collapseAll();
             mainInstance.expandKunet();
             
        }
};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed" || submenu.className == "collapsed1")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};
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 = "";

                        if(minHeight > 27){
                        submenu.className = "collapsed1";
                        } else {
			submenu.className = "collapsed";
			}
                        submenu.style.height ="";
                        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")
				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.submenus[i].className != "collapsed1")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};

SDMenu.prototype.expandKunet = function() {

        var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < 1; i++)
		//if (this.submenus[i].className != "collapsed" && this.submenus[i].className != "collapsed1")
			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.submenus[i].className != "collapsed1")
			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" || this.submenus[i].className == "collapsed1" ? 0 : 1);
                      
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
	}
};