function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.getChildElementsByTagName(this.menu,"DIV");
	this.remember = false;
	this.speed = 3;
	this.markCurrent = false;
	this.oneSmOnly = true;
}
SDMenu.prototype.init = function() {
	var mainInstance = this;
	var currentOpeningSubMenu = null;
	var currentClosingSubMenu = null;
	for (var i = 0; i < this.submenus.length; i++)
	{
		this.submenus[i].getElementsByTagName("span")[0].expand = function() {
			if(currentOpeningSubMenu!=null)
			{
				mainInstance.expandMenu(currentOpeningSubMenu);		
				currentOpeningSubMenu = null;
			}
		};
	    this.submenus[i].getElementsByTagName("span")[0].collapse = function() {
			if(currentClosingSubMenu!=null)
			{
				mainInstance.collapseMenu(currentClosingSubMenu);			
				currentClosingSubMenu = null;
			}
		};

        this.submenus[i].onmouseover = function() {
			currentClosingSubMenu = null;
			currentOpeningSubMenu = this;
		};
        this.submenus[i].onmouseout = function() {
			currentOpeningSubMenu = null;
			currentClosingSubMenu = this;
			setTimeout(this.getElementsByTagName("span")[0].collapse,700);
		};
		this.submenus[i].getElementsByTagName("span")[0].onmouseover = function() {
			currentClosingSubMenu = null;
			currentOpeningSubMenu = this.parentNode;
			setTimeout(this.expand,500);
		};
		this.submenus[i].getElementsByTagName("span")[0].onmouseout = function() {
 			 currentOpeningSubMenu = null;
			 currentClosingSubMenu = this.parentNode;
			 setTimeout(this.collapse,700);
		};
		if(this.submenus[i].getElementsByTagName("span")[0].firstChild.tagName)
		{
			if(this.submenus[i].getElementsByTagName("span")[0].firstChild.className=='sdmenu_sub_title' && i)
                this.submenus[i].getElementsByTagName("span")[0].firstChild.style.marginTop = '2px';
			this.submenus[i].getElementsByTagName("span")[0].firstChild.onmouseover = function() {
				currentClosingSubMenu = null;
				currentOpeningSubMenu = this.parentNode.parentNode;
				setTimeout(this.parentNode.expand,500);
			};
			this.submenus[i].getElementsByTagName("span")[0].firstChild.onmouseout = function() {
				 currentOpeningSubMenu = null;
				 currentClosingSubMenu = this.parentNode.parentNode;
				 setTimeout(this.parentNode.collapse,700);
			};
		}  
//	    this.submenus[i].className = "collapsed";

		this.submenus[i].realHeight = this.submenus[i].getElementsByTagName("span")[0].firstChild.offsetHeight;
		// alert(this.submenus[i].realHeight );
		this.submenus[i].style.height = this.submenus[i].realHeight+'px';
		var tables = this.getChildElementsByTagName(this.submenus[i],'TABLE');
		for(var j = 0;j<tables.length;j++)
			tables[j].style.visibility = 'visible';
    }
	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++)
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
		}
	}
		//this.collapseAll();
	this.menu.style.visibility = 'visible';

};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
	var fullHeight = parseInt(submenu.getElementsByTagName("span")[0].offsetHeight);
	var links = submenu.getElementsByTagName("a");
	if(links.length)
	{
	  for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
    }
    var links2 =  submenu.getElementsByTagName("IMG");
	if(links2.length)
	{
		fullHeight = 0;
	    for (var i = 0; i < links2.length; i++)
		   fullHeight += links2[i].offsetHeight;
	}
	var moveBy =  Math.round(this.speed * links.length * links2.length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		if(newHeight+moveBy>fullHeight && moveBy>1)
           moveBy = 1;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			if(submenu.getAttribute('order')!=null && submenu.getAttribute('order')=='last')
			{
			   var tables = mainInstance.getChildElementsByTagName(mainInstance.menu,'TABLE');
			   if(tables.length>=2)
				   tables[1].style.display = '';
			}
			//mainInstance.memorize();
		}
	}, 5);
	this.collapseOthers(submenu);
};
SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = submenu.realHeight-5;
	

 
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight-6;
		if(newHeight-moveBy<minHeight && moveBy>1)
           moveBy = 1;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			if(submenu.getAttribute('order')!=null && submenu.getAttribute('order')=='last')
			{
			   var tables = mainInstance.getChildElementsByTagName(mainInstance.menu,'TABLE');
			   if(tables.length>=2)
				   tables[1].style.display = 'none';
			}
			clearInterval(intId);
			submenu.style.height = submenu.realHeight+"px";
			//submenu.className = "collapsed";
			//mainInstance.memorize();
		}
	}, 5);
};
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.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);
		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=/";
	}
};

SDMenu.prototype.getChildElementsByTagName = function(parent,tagName)
{
  tagName = tagName.toUpperCase();
  var elements = new Array();
  if(parent!=null)
   for(var i=0;i<parent.childNodes.length;i++)
	{
      if(parent.childNodes[i].tagName  == tagName)
		{
		  elements.push(parent.childNodes[i]);
		}
    }
  return elements; 
}