// JavaScript Document

var homeslide = new Array()
// SET IMAGE PATHS. Extend or contract array as needed
homeslide[0] = [ baseUrl + "/headers/header_content_schrijven.jpg", "/nl/main/home/content_schrijven.html", "" ];
homeslide[1] = [ baseUrl + "/headers/header_websitestructuur.jpg", "/nl/main/home/gebruiksvriendelijkheid.html", "" ];
homeslide[2] = [ baseUrl + "/headers/header_vindbaarheid.jpg", "/nl/main/home/zoekmachineoptimalisatie.html", "" ];
homeslide[3] = [ baseUrl + "/headers/header_up_to_date.jpg", "/nl/main/home/nieuws_plaatsen.html", "" ];
homeslide[4] = [ baseUrl + "/headers/header_social_media.jpg", "/nl/main/home/social_media.html", "" ];

var fadebgcolor = "white"

// //NO need to edit beyond here/////////////

var fadearray = new Array()
// array to cache fadeshow instances
var fadeclear = new Array()
// array to cache corresponding clearinterval pointers

var dom = (document.getElementById)
// modern dom browsers
var iebrowser = document.all

function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause,
		displayorder) {
	this.pausecheck = pause
	this.mouseovercheck = 0
	this.delay = delay
	this.degree = 10 // initial opacity degree (10%)
	this.curimageindex = 0
	this.nextimageindex = 1
	fadearray[fadearray.length] = this
	this.slideshowid = fadearray.length - 1
	this.canvasbase = "canvas" + this.slideshowid
	this.curcanvas = this.canvasbase + "_0"
	if (typeof displayorder != "undefined")
		theimages.sort(function() {
			return 0.5 - Math.random();
		}) // thanks to Mike (aka Mwinter) :)
	this.theimages = theimages
	this.imageborder = parseInt(borderwidth)
	this.postimages = new Array() // preload images
	for (p = 0; p < theimages.length; p++) {
		this.postimages[p] = new Image()
		this.postimages[p].src = theimages[p][0]
	}

	var fadewidth = fadewidth + this.imageborder * 2
	var fadeheight = fadeheight + this.imageborder * 2

	if (iebrowser && dom || dom) // if IE5+ or modern browsers (ie: Firefox)
		document
				.write('<div id="master'
						+ this.slideshowid
						+ '" style="position:relative;width:'
						+ fadewidth
						+ 'px;height:'
						+ fadeheight
						+ 'px;overflow:hidden;"><div id="'
						+ this.canvasbase
						+ '_0" style="position:absolute;width:'
						+ fadewidth
						+ 'px;height:'
						+ fadeheight
						+ 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'
						+ fadebgcolor
						+ '"></div><div id="'
						+ this.canvasbase
						+ '_1" style="position:absolute;width:'
						+ fadewidth
						+ 'px;height:'
						+ fadeheight
						+ 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'
						+ fadebgcolor + '"></div></div>')
	else
		document.write('<div><img name="defaultslide' + this.slideshowid
				+ '" src="' + this.postimages[0].src + '"></div>')

	if (iebrowser && dom || dom) // if IE5+ or modern browsers such as
									// Firefox
		this.startit()
	else {
		this.curimageindex++
		setInterval("fadearray[" + this.slideshowid + "].rotateimage()",
				this.delay)
	}
}

function fadepic(obj) {
	if (obj.degree < 100) {
		obj.degree += 10
		if (obj.tempobj.filters && obj.tempobj.filters[0]) {
			if (typeof obj.tempobj.filters[0].opacity == "number") // if IE6+
				obj.tempobj.filters[0].opacity = obj.degree
			else
				// else if IE5.5-
				obj.tempobj.style.filter = "alpha(opacity=" + obj.degree + ")"
		} else if (obj.tempobj.style.MozOpacity)
			obj.tempobj.style.MozOpacity = obj.degree / 101
		else if (obj.tempobj.style.KhtmlOpacity)
			obj.tempobj.style.KhtmlOpacity = obj.degree / 100
		else if (obj.tempobj.style.opacity && !obj.tempobj.filters)
			obj.tempobj.style.opacity = obj.degree / 101
	} else {
		clearInterval(fadeclear[obj.slideshowid])
		obj.nextcanvas = (obj.curcanvas == obj.canvasbase + "_0") ? obj.canvasbase
				+ "_0"
				: obj.canvasbase + "_1"
		obj.tempobj = iebrowser ? iebrowser[obj.nextcanvas] : document
				.getElementById(obj.nextcanvas)
		obj.populateslide(obj.tempobj, obj.nextimageindex)
		obj.nextimageindex = (obj.nextimageindex < obj.postimages.length - 1) ? obj.nextimageindex + 1
				: 0
		setTimeout("fadearray[" + obj.slideshowid + "].rotateimage()",
				obj.delay)
	}
}

fadeshow.prototype.populateslide = function(picobj, picindex) {
	var slideHTML = ""
	if (this.theimages[picindex][1] != "") // if associated link exists for
											// image
		slideHTML = '<a href="' + this.theimages[picindex][1] + '" target="'
				+ this.theimages[picindex][2] + '">'
	slideHTML += '<img src="' + this.postimages[picindex].src + '" border="'
			+ this.imageborder + 'px">'
	if (this.theimages[picindex][1] != "") // if associated link exists for
											// image
		slideHTML += '</a>'
	picobj.innerHTML = slideHTML
}

fadeshow.prototype.rotateimage = function() {
	if (this.pausecheck == 1) // if pause onMouseover enabled, cache object
		var cacheobj = this
	if (this.mouseovercheck == 1)
		setTimeout(function() {
			cacheobj.rotateimage()
		}, 100)
	else if (iebrowser && dom || dom) {
		this.resetit()
		var crossobj = this.tempobj = iebrowser ? iebrowser[this.curcanvas]
				: document.getElementById(this.curcanvas)
		crossobj.style.zIndex++
		fadeclear[this.slideshowid] = setInterval("fadepic(fadearray["
				+ this.slideshowid + "])", 50)
		this.curcanvas = (this.curcanvas == this.canvasbase + "_0") ? this.canvasbase
				+ "_1"
				: this.canvasbase + "_0"
	} else {
		var ns4imgobj = document.images['defaultslide' + this.slideshowid]
		ns4imgobj.src = this.postimages[this.curimageindex].src
	}
	this.curimageindex = (this.curimageindex < this.postimages.length - 1) ? this.curimageindex + 1
			: 0
}

fadeshow.prototype.resetit = function() {
	this.degree = 10
	var crossobj = iebrowser ? iebrowser[this.curcanvas] : document
			.getElementById(this.curcanvas)
	if (crossobj.filters && crossobj.filters[0]) {
		if (typeof crossobj.filters[0].opacity == "number") // if IE6+
			crossobj.filters(0).opacity = this.degree
		else
			// else if IE5.5-
			crossobj.style.filter = "alpha(opacity=" + this.degree + ")"
	} else if (crossobj.style.MozOpacity)
		crossobj.style.MozOpacity = this.degree / 101
	else if (crossobj.style.KhtmlOpacity)
		crossobj.style.KhtmlOpacity = this.degree / 100
	else if (crossobj.style.opacity && !crossobj.filters)
		crossobj.style.opacity = this.degree / 101
}

fadeshow.prototype.startit = function() {
	var crossobj = iebrowser ? iebrowser[this.curcanvas] : document
			.getElementById(this.curcanvas)
	this.populateslide(crossobj, this.curimageindex)
	if (this.pausecheck == 1) { // IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
		var cacheobj = this
		var crossobjcontainer = iebrowser ? iebrowser["master"
				+ this.slideshowid] : document.getElementById("master"
				+ this.slideshowid)
		crossobjcontainer.onmouseover = function() {
			cacheobj.mouseovercheck = 1
		}
		crossobjcontainer.onmouseout = function() {
			cacheobj.mouseovercheck = 0
		}
	}
	this.rotateimage()
}
