/*****************************************************
* ypSlideOutMenu
* version 2004-01-09
* a nice little script to create exclusive, slide-out
* menus for ns4, ns6, mozilla, opera, ie4, ie5 on
* mac and win32. I've got no linux or unix to test on but
* it should(?) work...
*****************************************************/
ypSlideOutMenu.Registry = [];
ypSlideOutMenu.aniLen = 250;
ypSlideOutMenu.hideDelay = 1000;
ypSlideOutMenu.minCPUResolution = 10;

function ypSlideOutMenu(id, dir, left, top, width, height)
{
	this.ie = document.all ? 1 : 0;
	this.ns4 = document.layers ? 1 : 0;
	this.dom = document.getElementById ? 1 : 0;
	if (this.ie || this.ns4 || this.dom)
	{
		this.id = id;
		this.dir = dir;
		this.orientation = dir == "left" || dir == "right" ? "h" : "v";
		this.dirType = dir == "right" || dir == "down" ? "-" : "+";
		this.dim = this.orientation == "h" ? width : height;
		this.hideTimer = false;
		this.aniTimer = false;
		this.open = false;
		this.over = false;
		this.startTime = 0;
		this.gRef = "ypSlideOutMenu_"+id;
		eval(this.gRef+"=this");
		ypSlideOutMenu.Registry[id] = this;

		// stylesheet is generated by xsl
		//var d = document;
		//d.write('<style type="text/css">');
		//d.write('#' + this.id + 'Container { visibility:hidden; ');
		//d.write('left:' + left + 'px; ');
		//d.write('top:' + top + 'px; ');
		//d.write('overflow:hidden; }');
		//d.write('#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; ');
		//d.write('width:' + width + 'px; ');
		//d.write('height:' + height + 'px; ');
		//d.write('clip:rect(0 ' + width + ' ' + height + ' 0); ');
		//d.write('}');
		//d.write('</style>');

		this.load();
	}
}






ypSlideOutMenu.prototype.load = function()
{
	var d = document;
	var lyrId1 = this.id + "Container";
	var lyrId2 = this.id + "Content";
	var obj1 = this.dom ? d.getElementById(lyrId1) : this.ie ? d.all[lyrId1] : d.layers[lyrId1];
	if (obj1) var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2);
	var temp;
	if (!obj1 || !obj2) window.setTimeout(this.gRef + ".load()", 100)
	else
	{
		this.container = obj1;
		this.menu = obj2;
		this.style = this.ns4 ? this.menu : this.menu.style;
		this.homePos = eval("0" + this.dirType + this.dim);
		this.outPos = 0;
		this.accelConst = (this.outPos - this.homePos) / ypSlideOutMenu.aniLen / ypSlideOutMenu.aniLen;
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("ypSlideOutMenu.showMenu('" + this.id + "')");
		this.menu.onmouseout = new Function("ypSlideOutMenu.hideMenu('" + this.id + "')");
		this.endSlide();
	}
}




ypSlideOutMenu.showMenu = function(id)
{
	var reg = ypSlideOutMenu.Registry;
	var obj = ypSlideOutMenu.Registry[id];
	if (obj.container)
	{
		obj.over = true;
		for (menu in reg) if (id != menu) ypSlideOutMenu.hide(menu);
		if (obj.hideTimer)
		{
			reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer)
		}
		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true);
	}
}


ypSlideOutMenu.hideMenu = function(id)
{
	var obj = ypSlideOutMenu.Registry[id];
	if (obj.container)
	{
		if (obj.hideTimer) window.clearTimeout(obj.hideTimer);
		obj.hideTimer = window.setTimeout("ypSlideOutMenu.hide('" + id + "')", ypSlideOutMenu.hideDelay);
	}
}



ypSlideOutMenu.hide = function(id)
{
	var obj = ypSlideOutMenu.Registry[id];
	obj.over = false;
	if (obj.hideTimer) window.clearTimeout(obj.hideTimer);
	obj.hideTimer = 0;
	if (obj.open && !obj.aniTimer) obj.startSlide(false);
}



ypSlideOutMenu.prototype.startSlide = function(open)
{
	this[open ? "onactivate" : "ondeactivate"]();
	this.open = open;
	if (open) this.setVisibility(true);
	this.startTime = (new Date()).getTime();
	this.aniTimer = window.setInterval(this.gRef + ".slide()", ypSlideOutMenu.minCPUResolution);
}


ypSlideOutMenu.prototype.slide = function()
{
	var elapsed = (new Date()).getTime() - this.startTime;
	if (elapsed > ypSlideOutMenu.aniLen) this.endSlide()
	else
	{
		var d = Math.round(Math.pow(ypSlideOutMenu.aniLen-elapsed, 2) * this.accelConst);
		if (this.open && this.dirType == "-") d = -d
		else if (this.open && this.dirType == "+") d = -d
		else if (!this.open && this.dirType == "-") d = -this.dim + d
		else d = this.dim + d;
		this.moveTo(d);
	}
}



ypSlideOutMenu.prototype.endSlide = function()
{
	this.aniTimer = window.clearTimeout(this.aniTimer);
	this.moveTo(this.open ? this.outPos : this.homePos);
	if (!this.open) this.setVisibility(false)
	if ((this.open && !this.over) || (!this.open && this.over))
	{
		this.startSlide(this.over);
	}
}



ypSlideOutMenu.prototype.setVisibility = function(bShow)
{
	var s = this.ns4 ? this.container : this.container.style;
	s.visibility = bShow ? "visible" : "hidden";
}




ypSlideOutMenu.prototype.moveTo = function(p)
{
	this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
}


ypSlideOutMenu.prototype.getPos = function(c)
{
	return parseInt(this.style[c])
}


ypSlideOutMenu.prototype.onactivate = function() { }
ypSlideOutMenu.prototype.ondeactivate = function() { }






	//menuitemheight = 20; 
	menuwidth=180;
	//menuleft=110;
	menutop=22; //123;
	//mainmenuitemwidth=111;
	//screensize=775;
				
	var menus = new Array();


	/*
	for (...)
	menuitems=20;
					
	if ((menuleft + mainmenuitemwidth*i) > (screensize - menuwidth))
		menuoffset=screensize - menuwidth
	else menuoffset=menuleft + mainmenuitemwidth*0;	
				
	menuheight = menuitems*menuitemheight+1;
	menus[i] = new ypSlideOutMenu("menu1", "down", menuoffset, menutop, menuwidth, menuheight);
	*/

	menuheight=0; //dummy - computed in xsl

	menus[0] = new ypSlideOutMenu("menu1", "down", 203, menutop, menuwidth, menuheight);
	menus[1] = new ypSlideOutMenu("menu2", "down", 313, menutop, menuwidth, menuheight);
	menus[2] = new ypSlideOutMenu("menu3", "down", 424, menutop, menuwidth, menuheight);
	menus[3] = new ypSlideOutMenu("menu4", "down", 535, menutop, menuwidth, menuheight);
	menus[4] = new ypSlideOutMenu("menu5", "down", 646, menutop, menuwidth, menuheight);
	menus[5] = new ypSlideOutMenu("menu6", "down", 757, menutop, menuwidth, menuheight);
	menus[6] = new ypSlideOutMenu("menu7", "down", 801, menutop, menuwidth, menuheight);
			
			
	//document.getElementById("systemTopMenu").style.display = "block";