// Add a new parameter identifier. This will be used to find an Menu item.
// If it is missing, a simple one will be generated. The identifier will be the
// return value

function MTMenuItem(text, url, target, tooltip, icon, openIcon, identifier) {
	this.text = text;
	this.url = url ? url : "";
	this.target =  target ? target : (MTMDefaultTarget ? MTMDefaultTarget : "");
	this.tooltip = tooltip;
	this.icon = icon ? icon : "";
	this.openIcon = openIcon ? openIcon : ""; // used for addSubItem
	this.identifier = identifier ? identifier : this.text+"#"+this.url;

	this.number = MTMNumber++;

	this.parentNode  = null;
	this.submenu     = null;
	this.expanded    = false;
	this.MTMakeSubmenu = MTMakeSubmenu;
	this.makeSubmenu = MTMakeSubmenu;
	this.addSubItem = MTMAddSubItem;

	MTMLastItem = this;

	return this.identifier;
}

// create a new array to find the items.
function MTMenu() {
	this.items   = new Array();
	this.identHash = new Array();
	this.MTMAddItem = MTMAddItem;
	this.addItem = MTMAddItem;
	this.makeLastSubmenu = MTMakeLastSubmenu;
	this.MTMFindItem = MTMFindItem;
	this.findItem = MTMFindItem;
}

// The method which do the work. First look at the childs. If it is not
// found start looking in the submenus
function MTMFindItem(identifier) {
	var node = null, i;
	if (this.identHash[identifier]) {
		node = this.identHash[identifier];
	} else {
		i = 0;
		while (node == null && i<this.items.length) {
			if(this.items[i].submenu) {
				node = this.items[i].submenu.MTMFindItem(identifier);
			}
		i++;
		}
	}
	return node;
}

// Store the node in the assoc. array (like a hashtable)
function MTMAddItem() {
	var identifier;

	if(arguments[0].toString().indexOf("[object Object]") != -1) {
		this.items[this.items.length] = arguments[0];
	} else {
		this.items[this.items.length] = new MTMenuItem(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], null, arguments[5]);
	}

	identifier = this.items[this.items.length-1].identifier;

	this.identHash[identifier] = this.items[this.items.length-1];

	return identifier;
}