//////////////////////////
 // The global variables //
//////////////////////////
var is = new function() {
	var agent = navigator.userAgent.toLowerCase();
	this.ns = ((agent.indexOf('mozilla') != -1) && ((agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1) && agent.indexOf('like gecko') == -1));
	this.ie = (agent.indexOf("msie") != -1);
	this.o = (agent.indexOf("opera") != -1);
	this.safari = (agent.indexOf("safari") != -1);
	var nav = navigator.appVersion.toLowerCase();
	this.ie6 = (this.ie && (nav.indexOf('msie 6.0') != -1));
	this.ie7 = (this.ie && (nav.indexOf('msie 7.0') != -1));
};


  ///////////////////////////
 // Nagyon Common rutinok //
///////////////////////////
function nop() {
}

var jgtc = {
	rootURL: null,
	rootImgURL: null,

	openPopup: function(htmname, winname, w, h, params) { throw "not implemented yet."; },
	setCookie: function(name, value, days, path, domain, secure) { setCookie(name, value, days, path, domain, secure); },
	getCookie: function(name, defVal) { getCookie(name, defVal); },
	getBounds: function(element) {
		var x = 0;
		var y = 0;
		var w = element.offsetWidth;
		var h = element.offsetHeight;

		do {
			x += element.offsetLeft;
			y += element.offsetTop;
			if(is.ie && element.nodeName == 'TD') { // IE hack, nem biztos, hogy jó.
				x += element.clientLeft;
				y += element.clientTop;
			}
//			console.log("e: %o, (%d;%d) - %o / %o", element, element.offsetLeft, element.offsetTop, element.offsetParent, element.parentNode);
			element = element.offsetParent;
		} while(element != null);

		return { "x": x, "y": y, "w": w, "h": h };
	},
	safeGetAttribute: function(element, attrName) {
		try {
			return element.getAttribute(attrName);
		} catch(err) {
			console.warn("Error while getting attribute '%s': %o, %s", attrName, element, err.message);
		}
		return null;
	},
	clone: function(obj, deep) {
		var o = new obj.constructor();
		for(i in obj) {
			var e = obj[i];
			var t = typeof e;
			if(t == 'function' && o.constructor.prototype[i]) continue;
			else if(deep && t == 'object') o[i] = e.clone();
			else o[i] = e;
		}
		return o;
	},
	_init: function() {
		with(document.getElementsByTagName("script")) {
			for(var i = 0; i < length; i++) {
				var s = item(i);
				var r = s.src.match(/^(.*\/)?common\.js$/);
				if(r != null) {
					jgtc.rootURL = (r[1] == '' || r[1] == null) ? './' : r[1];
					jgtc.rootImgURL = jgtc.rootURL + '../admin/img/';
					console.log("ir: %s", jgtc.rootImgURL);
					break;
				}
			}
		}
	}
}

if(is.ie) {
	jgtc.getComputedStyle = function(e) { return window.getComputedStyle(e, null); };
	jgtc.captureEvent = function(element, event, fn, useCapture) { element.attachEvent("on" + event, fn); };
	jgtc.releaseEvent = function(element, event, fn, useCapture) { element.detachEvent("on" + event, fn); };
	jgtc.discardEvent = function(event) { event.returnValue = false; };
} else {
	jgtc.getComputedStyle = function(e) { return e.currentStyle; };
	jgtc.captureEvent = function(element, event, fn, useCapture) { element.addEventListener(event, fn, useCapture); };
	jgtc.releaseEvent = function(element, event, fn, useCapture) { element.removeEventListener(event, fn, useCapture); };
	jgtc.discardEvent = function(event) { event.preventDefault(); };
}

function GetComputedStyle(e) {
	console.warn('Deprecated function. Use jgtc.GetComputedStyle() instead.');
	return jgtc.GetComputedStyle(e);
}

function GetBounds(e) {
	console.warn('Deprecated function. Use jgtc.GetBounds() instead.');
	return jgtc.getBounds(e);
}

/*
function OverElement(ss, x, y) {
	var pos = GetBounds(ss);
	var x0 = pos.x
	var x1 = x0 + pos.w;
	var y0 = pos.y;
	var y1 = y0 + pos.h;
	return x > x0 && x < x1 && y > y0 && y < y1;
}
*/

function openPopup(htmname, winname, xs, ys, plus) {
	return window.open(htmname, winname, "width="+xs+",height="+ys+",screenX=1,screenY=1,status=0,resizable=0"+plus);
}

function openPopupN(htmname, winname, xs, ys, plus) {
	var w = window.open(htmname, winname, "width="+xs+",height="+ys+",screenX=1,screenY=1,status=0,resizable=0"+plus);
	w.focus();
}

function setCookie(name, value, days, path, domain, secure) {
	var c = name + "=" + escape(value);
	if(days && days >= 0) {
		var d = new Date();
		d.setTime(d.getTime()+(days*24*60*60*1000));
		c += "; expires=" + d.toGMTString();
	}
	if(path) c += "; path=" + path;
	if(domain) c += "; domain=" + domain;
	if(secure) c += "; secure";
	document.cookie = c;
}

function getCookie(name, defVal) {
	if(typeof defVal == "undefined") defVal = null;

	var idx = document.cookie.indexOf(name + '=');
	if(idx == -1) return defVal;
	value = document.cookie.substring(idx + name.length + 1);
	var end = value.indexOf(';');
	if(end == -1) end = value.length;
	value = unescape(value.substring(0, end));
	return value;
}

function CaptureEvent(element, event, fn, useCapture) {
	console.warn('Deprecated function. Use jgtc.captureEvent() instead.');
	jgtc.captureEvent(element, event, fn, useCapture);
}

function ReleaseEvent(element, event, fn, useCapture) {
	console.warn('Deprecated function. Use jgtc.releaseEvent() instead.');
	jgtc.releaseEvent(element, event, fn, useCapture);
}

function DiscardEvent(event) {
	console.warn('Deprecated function. Use jgtc.discardEvent() instead.');
	jgtc.discardEvent(event);
}

String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g, '');
};

if(!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(src, fromIdx) {
		for(var max = this.length, i = fromIdx ? (fromIndex < 0 ? Math.max(max - fromIndex, 0) : fromIndex) : 0; i < max; i++) {
			if(this[i] === src) return i;
		}
		return -1;
	}
}

if(is.ie) jgtc._init();
else jgtc.captureEvent(window, "load", jgtc._init, true);

/**
 * JSONML funkciók, némi kiegészítéssel.
 */
function jsonML(jsonml, doc) {
	if(typeof doc == 'undefined') doc = document;

	if(jsonml instanceof Array && jsonml.length > 0) {
		// Element
		var tag = jsonml[0].toUpperCase();
		var e;
		e = doc.createElement(tag);
		if(jsonml.length > 1) {
			var i = 1;
			var ad = jsonml[1];
			if(typeof ad == 'object' && !(ad instanceof Array)) {
				// attr
				for(var a in ad) {
					if(a == 'element') {
						if(ad.element != null && typeof ad.element == 'object') {
							ad.element[ad.elementId ? ad.elementId : 'element'] = e;
						} else {
							ad.element = e;
						}
					} else if(a == 'elementId') {
						// Az "element" property feldolgozásánál kell.
					} else if(a == 'class') {
						e.className = ad[a];
					} else if(a == 'style') {
						if(is.ie) e.style.cssText = ad[a];
						else e.setAttribute('style', ad[a]);
					} else if(typeof ad.constructor.prototype[a] == 'undefined') {
//						e.setAttribute(a, ad[a]);
						e[a] = ad[a];
//						wxlog.log("attr0: " + a + ": " + e[a]);
					}
				}
				i = 2;
			}

			var e1;
			if(tag == "TABLE") {
				e1 = doc.createElement("TBODY");
				e.appendChild(e1);
			} else {
				e1 = e;
			}

			for(; i < jsonml.length; i++) {
				e1.appendChild(jsonML(jsonml[i]));
			}
		}
		return e;
	} else {
		// Text
		return doc.createTextNode(String(jsonml));
	}
}

/*
 * Tween helper
 */
/**
 *  eventfn = function(x, mode);
 *    x - az érték a pillanatnyi időpontban
 *    mode - 0: tick, 1: első tick, 2: utolsó tick
 */
function HTTween(eventFn, tween, time, step) {
	this.tstep = step || 40; // 25fps
	this.ttime = time || 200;
	this.eventFn = eventFn;
	this.tween = this.tweens[tween] || this.tweens.linear;
}

HTTween.prototype = {
	running: false,
	tweens: {
		'linear': function(x) { return x; },
		'sinoidal': function(x) { return 0.5 - Math.cos(x * Math.PI) / 2; }
	},

	_event: function(now, mode) {
		now = this.tween(now);
		now = this._x0 + (this._x1 - this._x0) * now;

//		console.log('now: %d %d', now, mode);

		this.eventFn(now, mode);
	},

	start: function(start, end, time) {
		var _this = this;

		time = time || this.ttime;

		if(this.running) {
			var n = this._x0 + (this._x1 - this._x0) * _now();
			if(n < start && n < end || n > start && n > end) {
				console.error("invalid now value: %d, %d, %d -> %d, %d, %d at %d / %d", this._x0, this._x1, this.ttime, start, end, time, _now(), this._t1 - this._t0);
				return;
			}
			this._t0 = this._t1 - time * (n - start) / (end - start);
		}

		this.ttime = time;
		this._x0 = start;
		this._x1 = end;

		if(this.running) return;

		this._t0 = this._t1 = new Date().getTime();

		function _now() {
			var now = (_this._t1 - _this._t0) / _this.ttime;
			if(now < 0) {
				console.error("invalid now value: %d at %d / %d, t1: %d, t0: %d", now, this._t1 - this._t0, _this.ttime, this._t1, this._t0);
				return;
			}
			return now > 1 ? 1 : now;
		}

		function _tick() {
			if(!_this.running) return; // cancelled...

			_this._t1 = new Date().getTime();
			var now = _now();

			if(now == 1) {
				_this._event(1, 2);
				_this.running = false;
			} else {
				setTimeout(_tick, _this.tstep);
				_this._event(now, 0);
			}
		}

		setTimeout(_tick, this.tstep);
		this._event(0, 1);
		this.running = true;

		return this;
	},

	cancel: function() {
		if(this.running) {
			this.running = false;
			this._event(1, 2);
		}

		return this;
	}
}