/*
Author: mg12
Update: 2009/08/07
Author URI: http://www.neoease.com/
*/
(function() {

var Class = {
	create: function() {
		return function() {
			this.initialize.apply(this, arguments);
		}
	}
}

var GhostlyMenu = Class.create();
GhostlyMenu.prototype = {

	initialize: function(target, align, sub) {
		this.obj = cleanWhitespace(target);
		this.align = align || 'left';
		this.sub = sub || -1;

		this.menu = this.obj.childNodes;
		if (this.menu.length < 2) { return; }

		this.title = this.menu[0];
		this.body = this.menu[1];

		cleanWhitespace(this.body).lastChild.getElementsByTagName('a')[0].className += ' last';

		setStyle(this.body, 'visibility', 'hidden');
		setStyle(this.body, 'display', 'block');

		addListener(this.obj, 'mouseover', bind(this, this.activate), false);
		addListener(this.obj, 'mouseout', bind(this, this.deactivate), false);
	},

	activate: function() {
		if(this.sub == 1) {
			var pos = currentOffset(this.title);
			var top = pos[1] - 1;
			var left = getWidth(this.body) - 2;
			if (this.align == 'right') {
			var left = getWidth(this.body) * (-1);
			}
		} else {
			var pos = cumulativeOffset(this.title);
			var top = pos[1] + getHeight(this.title);
			var left = pos[0];
			if (this.align == 'right') {
				left += getWidth(this.title) - getWidth(this.body);
			}
		}

		if(!/current/.test(this.title.className)) {
			this.title.className += ' current';
		}

		setStyle(this.body, 'left', left + 'px');
		setStyle(this.body, 'top', top + 'px');
		setStyle(this.body, 'visibility', 'visible');
	},

	deactivate: function(){
		this.title.className = this.title.className.replace('current', '');
		var thismenu = this;
		var tid = setInterval( function() {
			clearInterval(tid);
			if (!/current/.test(thismenu.title.className)) {
				setStyle(thismenu.body, 'visibility', 'hidden');
			}
			return false;
		}, 400);
	}
}

$A = function(iterable) {
	if(!iterable) {
		return [];
	}
	if(iterable.toArray) {
		return iterable.toArray();
	} else {
		var results = [];
		for(var i = 0; i < iterable.length; i++) {
			results.push(iterable[i]);
		}
		return results;
	}
}

bind = function() {
	var array = this.$A(arguments);
	var func = array[array.length - 1];
	var method = func, args = array, object = args.shift();
	return function() {
		return method.apply(object, args.concat(array));
	}
}

getHeight = function(element) {
	return element.offsetHeight;
}

getWidth = function(element) {
	return element.offsetWidth;
}

setStyle = function(element, key, value) {
	element.style[key] = value;
}

cleanWhitespace = function(list) {
	var node = list.firstChild;
	while (node) {
		var nextNode = node.nextSibling;
		if(node.nodeType == 3 && !/\S/.test(node.nodeValue)) {
			list.removeChild(node);
		}
		node = nextNode;
	}
	return list;
}

currentOffset = function(element) {
	var valueT = element.offsetTop  || 0;
	var valueL = element.offsetLeft || 0;
	return [valueL, valueT];
}

cumulativeOffset = function(element) {
	var valueT = 0, valueL = 0;
	do {
		valueT += element.offsetTop  || 0;
		valueL += element.offsetLeft || 0;
		element = element.offsetParent;
	} while (element);
	return [valueL, valueT];
}

addListener = function(element, name, observer, useCapture) {
	if(element.addEventListener) {
		element.addEventListener(name, observer, useCapture);
	} else if(element.attachEvent) {
		element.attachEvent('on' + name, observer);
	}
}

function loadMenus() {
	var align = 'left';
	for(var i = 0; (a = document.getElementsByTagName('link')[i]); i++) {
		if((a.getAttribute('rel') == 'stylesheet') && (a.getAttribute('href').indexOf('rtl.css') != -1)) {
			align = 'right';
		}
	}

	var subscribe = document.getElementById('subscribe');
	if (subscribe) {
		new GhostlyMenu(subscribe, align);
	}

	var menubar = document.getElementById('menus');
	if (menubar) {
		var list = menubar.getElementsByTagName('ul');
		for (var i = 0; i < list.length; i++) {
			var menu = list[i].parentNode;
			if(menu.parentNode === menubar) {
				new GhostlyMenu(menu, align);
			} else {
				new GhostlyMenu(menu, align, 1);
				menu.firstChild.className += ' subtitle';
			}
		}
	}
}

if (document.addEventListener) {
	document.addEventListener("DOMContentLoaded", loadMenus, false);

} else if (/MSIE/i.test(navigator.userAgent)) {
	document.write('<script id="__ie_onload_for_inove" defer src="javascript:void(0)"></script>');
	var script = document.getElementById('__ie_onload_for_inove');
	script.onreadystatechange = function() {
		if (this.readyState == 'complete') {
			loadMenus();
		}
	}

} else if (/WebKit/i.test(navigator.userAgent)) {
	var _timer = setInterval( function() {
		if (/loaded|complete/.test(document.readyState)) {
			clearInterval(_timer);
			loadMenus();
		}
	}, 10);

} else {
	window.onload = function(e) {
		loadMenus();
	}
}

})();

/*
Author: mg12
Update: 2008/05/05
Author URI: http://www.neoease.com/
*/
(function() {

function $(id) {
	return document.getElementById(id);
}

function setStyleDisplay(id, status) {
	$(id).style.display = status;
}

function goTop(a, t) {
	a = a || 0.1;
	t = t || 16;

	var x1 = 0;
	var y1 = 0;
	var x2 = 0;
	var y2 = 0;
	var x3 = 0;
	var y3 = 0;

	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	var x3 = window.scrollX || 0;
	var y3 = window.scrollY || 0;

	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));

	var speed = 1 + a;
	window.scrollTo(Math.floor(x / speed), Math.floor(y / speed));
	if(x > 0 || y > 0) {
		var f = "MGJS.goTop(" + a + ", " + t + ")";
		window.setTimeout(f, t);
	}
}

function switchTab(showPanels, hidePanels, activeTab, activeClass, fadeTab, fadeClass) {
	$(activeTab).className = activeClass;
	$(fadeTab).className = fadeClass;

	var panel, panelList;
	panelList = showPanels.split(',');
	for (var i = 0; i < panelList.length; i++) {
		var panel = panelList[i];
		if ($(panel)) {
			setStyleDisplay(panel, 'block');
		}
	}
	panelList = hidePanels.split(',');
	for (var i = 0; i < panelList.length; i++) {
		panel = panelList[i];
		if ($(panel)) {
			setStyleDisplay(panel, 'none');
		}
	}
}

function loadCommentShortcut() {
	$('comment').onkeydown = function (moz_ev) {
		var ev = null;
		if (window.event){
			ev = window.event;
		} else {
			ev = moz_ev;
		}
		if (ev != null && ev.ctrlKey && ev.keyCode == 13) {
			$('submit').click();
		}
	}
	$('submit').value += ' (Ctrl+Enter)';
}

function getElementsByClassName(className, tag, parent) {
	parent = parent || document;

	var allTags = (tag == '*' && parent.all) ? parent.all : parent.getElementsByTagName(tag);
	var matchingElements = new Array();

	className = className.replace(/\-/g, '\\-');
	var regex = new RegExp('(^|\\s)' + className + '(\\s|$)');

	var element;
	for (var i = 0; i < allTags.length; i++) {
		element = allTags[i];
		if (regex.test(element.className)) {
			matchingElements.push(element);
		}
	}

	return matchingElements;
}

window['MGJS'] = {};
window['MGJS']['$'] = $;
window['MGJS']['setStyleDisplay'] = setStyleDisplay;
window['MGJS']['goTop'] = goTop;
window['MGJS']['switchTab'] = switchTab;
window['MGJS']['loadCommentShortcut'] = loadCommentShortcut;
window['MGJS']['getElementsByClassName'] = getElementsByClassName;

})();


//Mouseover Tabs Menu: By http://www.dynamicdrive.com
//** Aug 4th, 08': Script creation date

var mouseovertabsmenu={

disappeardelay: 250000000, //set delay in miliseconds before sub menu disappears onmouseout
ajaxloadingmsg: '', //Message to show inside sub menu while fetching contents

///////No need to edit beyond here//////////////////////

tabsmenutree:{},

initializetabs:function(tabsmenuid, submenuid, tabcontentsLength, disappearBool){
	var tabmenu=document.getElementById(tabsmenuid)
	var tablinks=tabmenu.getElementsByTagName("a")
	var submenu=document.getElementById(submenuid)
	var selected=null, tablinks_count=0
	for (var i=0; i<tablinks.length; i++){
		tablinks[i]._parentid=tabsmenuid
		var relattr=tablinks[i].getAttribute("rel")
		if (/^gotsubmenu/i.test(relattr) && tablinks_count<tabcontentsLength){ //if "rel" attribute starts with="gotsubmenu" and a tab content exists for this tab based on its order
			tablinks[i]._pos=tablinks_count //remember position of this tab relative to its active peers
			if (relattr.indexOf("[selected]")!=-1){
				selected=tablinks_count
			}
			this.addEvent(tablinks[i], function(){
				var tabsmenutree=mouseovertabsmenu.tabsmenutree[this._parentid]
				mouseovertabsmenu.clearhidetimer(tabsmenutree.submenu.hidetimer)
				mouseovertabsmenu.showsubmenu(this)
			}, "mouseover")
			tablinks_count++
			this.tabsmenutree[tabsmenuid].tabs.push(tablinks[i]) //add this tab to tab collection
		}
		else{ //else for regular tab links (with no "rel" attribute)
			this.addEvent(tablinks[i], function(){
				mouseovertabsmenu.hidesubmenu(this._parentid)
			}, "mouseover")
		}
	}
	this.addEvent(submenu, function(e){
		mouseovertabsmenu.clearhidetimer(this.hidetimer)
	}, "mouseover")
	if (disappearBool==true){
		this.addEvent(submenu, function(e){ //hide submenu contents when mouse rolls out of submenu DIV
			if (!mouseovertabsmenu.isContained(this, e)){
				var cursubmenuobj=this
				this.hidetimer=setTimeout(function(){mouseovertabsmenu.hidesubmenu(cursubmenuobj._parentid)}, mouseovertabsmenu.disappeardelay)
			}
		}, "mouseout")
	}
	var urlselected=this.urlparamselect(tabsmenuid)
	//return position of selected tab (relative to its peers), or null
	return typeof urlselected=="number"? urlselected : document.getElementById(urlselected)? document.getElementById(urlselected)._pos : selected
},

ajaxload:function(tabsmenuid, submenuid, disappearBool, url){
	var page_request = false
	if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else
		return false
	var tabsmenutree=this.tabsmenutree[tabsmenuid]
	tabsmenutree.submenu.innerHTML=this.ajaxloadingmsg
	var ajaxfriendlyurl=url.replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/") 
	page_request.onreadystatechange=function(){
		mouseovertabsmenu.ajaxpopulate(page_request, tabsmenuid, submenuid, disappearBool, ajaxfriendlyurl)
	}
	var bustcache=(ajaxfriendlyurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', ajaxfriendlyurl+bustcache, true)
	page_request.send(null)
},

ajaxpopulate:function(page_request, tabsmenuid, submenuid, disappearBool, url){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		var tabsmenutree=this.tabsmenutree[tabsmenuid]
		tabsmenutree.submenu.innerHTML=page_request.responseText
		var innerdivs=tabsmenutree.submenu.getElementsByTagName("div")
		for (var i=0; i<innerdivs.length; i++){
			if (/tabsmenucontent/i.test(innerdivs[i].className)){
				tabsmenutree.submenu_divs.push(innerdivs[i])
			}
		}
		var selected=this.initializetabs(tabsmenuid, submenuid, tabsmenutree.submenu_divs.length, disappearBool)
		if (selected!=null && selected<tabsmenutree.submenu_divs.length){
			innerdivs[selected].style.display="block"
			this.css(tabsmenutree.tabs[selected], "selected", "add")
			tabsmenutree.submenu._prevselected=selected
		}
	}
},

showsubmenu:function(linkobj){
	var tabsmenutree=this.tabsmenutree[linkobj._parentid]
	this.hidesubmenu(linkobj._parentid)
	var selected=parseInt(linkobj._pos)
	tabsmenutree.submenu_divs[selected].style.display="block"
	this.css(tabsmenutree.tabs[selected], "selected", "add")
	tabsmenutree.submenu._prevselected=selected
},

hidesubmenu:function(tabsmenuid){
	var tabsmenutree=this.tabsmenutree[tabsmenuid]
	var prevselectedindex=tabsmenutree.submenu._prevselected
	if (typeof prevselectedindex!="undefined"){
		tabsmenutree.submenu_divs[prevselectedindex].style.display="none"
		this.css(tabsmenutree.tabs[prevselectedindex], "selected", "remove")
	}
},

clearhidetimer:function(timerid){
	if (timerid)
		clearTimeout(timerid)
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add" && !needle.test(el.className))
		el.className+=" "+targetclass
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

urlparamselect:function(tabsmenuid){
	var result=window.location.search.match(new RegExp(tabsmenuid+"=(\\w+)", "i")) //check for "?tabsmenuid=id_or_pos_of_selected_tab" in URL
	var selectedtabstr=RegExp.$1
	return /^\d+$/.test(selectedtabstr)? parseInt(selectedtabstr) : selectedtabstr //return position or ID of selected tab (or null if niether found)
},


addEvent:function(target, functionref, tasktype){
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false);
	else if (target.attachEvent)
		target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},

init:function(tabsmenuid, submenuid, disappearBool){
	this.tabsmenutree[tabsmenuid]={} 
	this.tabsmenutree[tabsmenuid].tabs=[] //array referencing the active tab links in this menu (ones with a "rel=gotsubmenu" attr)
	this.tabsmenutree[tabsmenuid].submenu=null //reference submenu DIV for this menu
	this.tabsmenutree[tabsmenuid].submenu_divs=[] //array referencing the submenu contents (external DIVs with class="tabsmenucontent")
	var submenu=document.getElementById(submenuid)
	submenu._parentid=tabsmenuid
	this.tabsmenutree[tabsmenuid].submenu=submenu //remember this DIV as menu's submenu container
	var remoteurl=submenu.getElementsByTagName("a")[0].getAttribute("href")
	this.ajaxload(tabsmenuid, submenuid, disappearBool, remoteurl)
}

}

document.write('<style type="text/css">\n.tabsmenucontent{display:none}\n</style>')