/* Utility functions */
function addEvent(obj, evType, fn) {
  /* adds an eventListener for browsers which support it Written by Scott Andrew */
  if (obj.addEventListener) { obj.addEventListener(evType, fn, true); return true; }
  else if (obj.attachEvent) { var r = obj.attachEvent("on"+evType, fn); return r; }
  else { return false; }
}
function element(id) {
  var e = false;
  if (document.getElementById) { e = document.getElementById(id); }
  else if (document.all) { e = document.all(id); }
  return e;
}
// login
function toPassword(objOldInput) {
	var objNewElement = document.createElement('input');
	objNewElement.setAttribute('type', 'password');
    objNewElement.setAttribute('name', objOldInput.name);
	objOldInput.parentNode.replaceChild(objNewElement, objOldInput);
	toPassword.el = objNewElement;
	setTimeout('toPassword.el.focus()',100);
	return true;
}
// menu.js
function hasULchildren(linode) {
	var uls = linode.getElementsByTagName('ul')[0];
	if(uls) return true;
	return false;
}
function efMenu(menuid, menutype) {
	var menudiv = element(menuid);
	var listitems = menudiv.getElementsByTagName('li');
	if(listitems){
		for(var i=0; i<listitems.length; i++){
			var listitem = listitems[i];
			if(hasULchildren(listitem)) {
				listitem.onmouseover = function (e) {
					if (this.firstChild.nodeName.toUpperCase() == 'A') {
						if(this.firstChild.className.indexOf('active') != -1) { this.firstChild.className = 'active mouse'; }
						 else { this.firstChild.className = 'mouse'; }
					}
					for (var i=0; i<this.childNodes.length; i++) {
						var child = this.childNodes[i];
						if (child.nodeName.toUpperCase() == 'UL') { child.style.visibility = 'visible'; }
					}
					return false;
				};
				listitem.onmouseout = function (e) {
					for (var i=0; i<this.childNodes.length; i++) {
						var child = this.childNodes[i];
						if (child.nodeName.toUpperCase() == 'UL') {	child.style.visibility = 'hidden'; }
					}
					if (this.firstChild.nodeName.toUpperCase() == 'A') {
						if(this.firstChild.className.indexOf('active') != -1) { this.firstChild.className = 'active'; }
						else { this.firstChild.className = ''; }
					}
					return false;
				};
			}
		}
	}
	return void(0);
}

// menu.js
function elementContains(elmOuter, elmInner) {
	while (elmInner && elmInner != elmOuter) { elmInner = elmInner.parentNode; }
	if (elmInner == elmOuter) {return true; }
	return false;
}
function getPageXY(elm) {
	var point = { x: 0, y: 0 };
	while (elm) {
		point.x += elm.offsetLeft;
		point.y += elm.offsetTop;
		elm = elm.offsetParent;
	}
	return point;
}
function setPageXY(elm, x, y) {
	var parentXY = {x: 0, y: 0 };
	if (elm.offsetParent) {
		parentXY = getPageXY(elm.offsetParent);
	}
	elm.style.left = (x - parentXY.x) + 'px';
	elm.style.top  = (y - parentXY.y) + 'px';
}
function cssjsmenu(menuid, menutype) {
	// make the variables
	var i, j, node, child, parent, ul, li, deept, deeper, menudiv, version, offset, type;
	// if the browser doesn't even support document.getElementById, give up now.
	if (!document.getElementById) { return true; }
	offset = navigator.userAgent.indexOf('Opera');
	if (offset != -1) {
		version = parseInt('0' + navigator.userAgent.substr(offset + 6), 10);
		if (version < 7) { return true; }
	}
	offset = navigator.userAgent.indexOf('MSIE');
	if (offset != -1) {
		if (navigator.userAgent.indexOf('Mac') != -1) { return true; }
	}
	// horisontal or vertical menu
	if (menutype == 'vertical') { type = 'vertical'; }
	else { type = 'horisontal'; }
	// set the variables
	var deept = 0, deeper = false, ul = new Array(), li = new Array();
	var menudiv = document.getElementById(menuid);
	// first ul (this is the horisontal head navigation)
	ul[deept] = new Array();
	for (i = 0; i < menudiv.childNodes.length; i++)	{
		node = menudiv.childNodes[i];
		if (node.nodeName.toUpperCase() == 'UL') {
			ul[deept][ul[deept].length] = node;
		}
	}
	// first ul > li (this is the horisontal head navigation)
	li[deept] = new Array();
	for (i = 0; i < ul[deept].length; i++) {
		node = ul[deept][i];
		for (j = 0; j < node.childNodes.length; j++) {
			child = node.childNodes[j];
			if (child.nodeName.toUpperCase() == 'LI') {
				li[deept][li[deept].length] = child;
			}
		}
	}
	// if there are li's => go deeper (this is for the vertical sub navigations)
	if (li[deept].length > 0) deeper = true;
	for (deept=1; deeper==true; deept++) {
		var deeper = false;
		// deeper ul
		ul[deept] = new Array();
		for (i = 0; i < li[deept-1].length; i++) {
			node = li[deept-1][i];
			for (j = 0; j < node.childNodes.length; j++) {
				child = node.childNodes[j];
				if (child.nodeName.toUpperCase() == 'UL') {
					ul[deept][ul[deept].length] = child;
					// attach hover to parent li
					parent = child.parentNode;
					// onmouseover function
					parent.onmouseover = function (e) {
						var i, child, point;
						// stop the pure css hover effect
						//this.style.paddingBottom = '0';
						for (i = 0; i < this.childNodes.length; i++) {
							child = this.childNodes[i];
							if (child.nodeName.toUpperCase() == 'UL') {
								if (type == 'horisontal') {
									point = getPageXY(this);
									setPageXY(child, point.x, point.y + this.offsetHeight);
								}
								child.style.visibility = 'visible';
							}
						}
						return false;
					};
					// onmouseout function
					parent.onmouseout = function (e) {
						var relatedTarget = null;
						if (e) {
							relatedTarget = e.relatedTarget;
							// work around Gecko Linux only bug where related target is null
							// when clicking on menu links or when right clicking and moving
							// into a context menu.
							if (navigator.product == 'Gecko' && navigator.platform.indexOf('Linux') != -1 && !relatedTarget) {
								relatedTarget = e.originalTarget;
							}
						}
						else if (window.event) {
							relatedTarget = window.event.toElement;
						}
						if (elementContains(this, relatedTarget)) {
							return false;
						}

						var i, child;
						for (i = 0; i < this.childNodes.length; i++) {
							child = this.childNodes[i];
							if (child.nodeName.toUpperCase() == 'UL') {
								child.style.visibility = 'hidden';
								//child.style.display='none';
							}
						}
						return false;
					};
				}
			}
		}
		// deeper ul > li
		li[deept] = new Array();
		for (i = 0; i < ul[deept].length; i++) {
			node = ul[deept][i];
			for (j = 0; j < node.childNodes.length; j++) {
				child = node.childNodes[j];
				if (child.nodeName.toUpperCase() == 'LI') {
					li[deept][li[deept].length] = child;
				}
			}
		}
		// if there are li's => go deeper and do this lus again
		if (li[deept].length != 0) {
			deeper = true;
		}
	}
	return true;
}

/* Better(?) Image cross fader (C)2004 Patrick H. Lauke aka redux
* Inspired by Steve at Slayeroffice http://slayeroffice.com/code/imageCrossFade/
* preInit "Scheduler" idea by Cameron Adams aka The Man in Blue http://www.themaninblue.com/writing/perspective/2004/09/29/ */
/* general variables */
var	previousImage, currentImage, galleryImages, gallery, galleryId = 'gallery';
function preInit() { /* hide the image gallery list before even onload is triggered */
	if ((document.getElementById)&&(gallery=document.getElementById(galleryId))) {
		gallery.style.visibility = "hidden";
		//gallery.style.visibility = "visible";
		clearTimeout(preInitTimer);
	} else {
		preInitTimer = setTimeout("preInit()",2);
	}
}
function fader(imageNumber,opacity) {
	var obj=galleryImages[imageNumber];
	if (obj.style.MozOpacity!=null) { obj.style.MozOpacity = (opacity/100) - .001; }
	else if (obj.style.opacity!=null) { obj.style.opacity = (opacity/100) - .001; }
	else if (obj.style.filter!=null) { obj.style.filter = "alpha(opacity="+opacity+")"; }
}
function fadeInit() {
	if (document.getElementById) { //preInit(); /* shouldn't be necessary, but IE can sometimes get ahead of itself and trigger fadeInit first */
		gallery=document.getElementById(galleryId);
		galleryImages = gallery.childNodes; /* get all child nodes... */
		for(i=0;i<galleryImages.length;i++) {
			galleryImages[i].style.position='absolute';
			galleryImages[i].style.top=0;
			galleryImages[i].style.zIndex=0;
			fader(i,0); /* set their opacity to transparent */
		}
		gallery.style.visibility = 'visible'; /* make the list visible again */
		currentImage=0; /* initialise a few parameters to get the cycle going */
		previousImage=galleryImages.length-1;
		opacity=100;
		fader(currentImage,100);
		window.setTimeout("crossfade(100)", 5000); /* start the whole crossfade process after a second's pause */
	}
}
function crossfade(opacity) {
    if (opacity < 101) {
        fader(currentImage,opacity);
        opacity += 5;
        window.setTimeout("crossfade("+opacity+")", 100);
    } else {
        fader(previousImage,0);
        previousImage=currentImage;
        currentImage+=1;
        if (currentImage>=galleryImages.length) { currentImage=0; }
        galleryImages[previousImage].style.zIndex = 0;
        galleryImages[currentImage].style.zIndex = 100;
        opacity=0;
        window.setTimeout("crossfade("+opacity+")", 5000);
    }
}
// addEvent and removeEvent cross-browser event handling for IE5+,  NS6 and Mozilla By Scott Andrew
function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent){
		var r = elm.attachEvent("on"+evType, fn);
		return r;
	}
}
/* initialise fader by hiding image object first */
addEvent (window,'load',fadeInit);