// THEmenu.js

THEmenu.Registry = [];
THEmenu.aniLen = 250;
THEmenu.hideDelay = 1;
THEmenu.minCPUResolution = 10;

function THEmenu(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 = "THEmenu_" + id;
		eval(this.gRef + " = this")
		THEmenu.Registry[id] = this;
		var d = document;
		var strCSS = "";
		strCSS += '#' + this.id + 'Container { visibility: hidden; '
		strCSS += 'left: ' + left + 'px; '
		strCSS += 'top: ' + top + 'px; '
		strCSS += 'overflow: hidden; z-index: 10000; }'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position: absolute; text-align: left;'
		strCSS += 'width:' + width + 'px; '
		strCSS += 'height:' + height + 'px; '
		strCSS += 'clip: rect(0 ' + width + ' ' + height + ' 0); '
		strCSS += '}'
		this.css = strCSS;
		this.load();
	}
}

THEmenu.writeCSS = function() {
	document.writeln('<style type="text/css">');
	for (var id in THEmenu.Registry) {
		document.writeln(THEmenu.Registry[id].css);
	}
	document.writeln('</style>');
}

THEmenu.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) / THEmenu.aniLen / THEmenu.aniLen;

		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("THEmenu.showMenu('" + this.id + "')");
		this.menu.onmouseout = new Function("THEmenu.hideMenu('" + this.id + "')");

		this.endSlide();
	}
}

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

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

THEmenu.hideAll = function(){
	var reg = THEmenu.Registry;
	for (menu in reg) {
		THEmenu.hide(menu);
		if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
	}
}

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

THEmenu.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()", THEmenu.minCPUResolution);
}

THEmenu.prototype.slide = function(){
	var elapsed = (new Date()).getTime() - this.startTime;
	if (elapsed > THEmenu.aniLen) this.endSlide();
	else {
		var d = Math.round(Math.pow(THEmenu.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);
	}
}

THEmenu.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);
	}
}

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

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

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

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

// THEmenu(id, dir, left, top, width, height)

var myMenu1 = new THEmenu("pribuy", "down", 0, 87, 140, 272);
myMenu1.onactivate = function() { //repositionMenu(myMenu1, -157); }
	//this.ie ? repositionMenu(myMenu1, 235) : repositionMenu(myMenu1, -147);
	repositionMenu(myMenu1, 236);
}

var myMenu2 = new THEmenu("pripre", "down", 142, 87, 129, 125);
myMenu2.onactivate = function() { //repositionMenu(myMenu2, -15); }
	//this.ie ? repositionMenu(myMenu2, 377) : repositionMenu(myMenu2, -5); 
	repositionMenu(myMenu2, 377);
}

var myMenu3 = new THEmenu("pridiv", "down", 273, 87, 130, 125);
	
myMenu3.onactivate = function() { 
	//this.ie ? repositionMenu(myMenu3, 507) : repositionMenu(myMenu3, 125); 
	repositionMenu(myMenu3, 507);
}

function repositionMenu(menu, left) {
	//var newLeft = parseInt(getWindowWidth() / 2 + offset);
	var newLeft = left;
	menu.container.style ? menu.container.style.left = newLeft + "px" : menu.container.left = newLeft;
}
 
function getWindowWidth() {
	return window.innerWidth ? window.innerWidth : document.body.offsetWidth;
}	

THEmenu.writeCSS();