/* function to make sure site is always at least as high as the browser (inner) window */
function checkHeight() {
	var ie55 = false;
	var ie55 = checkIE55();
	// get browser height
	var winHeight = getWindowHeight();
	// get content height
	var conHeight = getContentHeight();
	// if content height < browser  height make it longer
	if (conHeight < winHeight) {
		var diff = winHeight - conHeight;
		if (!ie55) {
			padding = 210;
		}
		else {
			padding = 80;
		}
		var newHeight = (conHeight + diff) - padding;
		document.getElementById('content').style.height = newHeight + "px";
	}
}
/* browser check function */
function checkIE55() {
	var os = navigator.platform.toLowerCase();
	var agt = navigator.userAgent.toLowerCase();
	if ((os.indexOf('win') != -1) && (agt.indexOf('msie 5.5') != -1)) {
		var ie55 = true;
	}
	return ie55;
}
function getWindowHeight() {
	if (window.innerHeight) { return window.innerHeight; }
	else if ( document.documentElement && document.documentElement.clientHeight != 0) {
		return document.documentElement.clientHeight;
	}
	else if ( document.body ) {
		return document.body.clientHeight; 
	}	
	return 0;
}
function getContentHeight() {
	return document.getElementById('content').offsetHeight;
}

/* function for thumbnails and previews */
function previews() {
	var exterior = document.getElementById("exterior");
	var interior = document.getElementById("interior");
	if (interior) { 
		buildPreviews(interior);
	}
	if (exterior) {
		buildPreviews(exterior);
	}
	else {
		return false; 
	}
}
function buildPreviews(context) {
		this.thumbArr = new Array;
		var contents = (document.all ? context.all : context.getElementsByTagName("*"));
		for (var c=0; c<contents.length; c++) {
			if (contents[c].className == "preview-image") {
				this.prevImg = contents[c];
			}
			if (contents[c].className == "preview-name") {
				this.prevName = contents[c];
			}
			if (contents[c].className == "price") {
				this.prevPrice = contents[c];
			}
			if (contents[c].className == "thumbnails") {
				this.thumbs = contents[c].getElementsByTagName("LI");
				for (var t=0; t<this.thumbs.length; t++) {
					// get the product name and the price out of the alt attribute
					var alt = this.thumbs[t].getElementsByTagName("IMG")[0].getAttribute("alt");
					this.namePrice = alt.split(":");
					this.theName = this.namePrice[0];
					this.thePrice = this.namePrice[1];
					// the filename of the large image is the same as the thumbnail filename, 
					// but with different measurements and a different file extention
					// for example: leder01_36x26.gif is matched to leder01_329x252.jpg
					var src = this.thumbs[t].getElementsByTagName("IMG")[0].getAttribute("src");
					var n = src.lastIndexOf('/');
					var filename = src.substring(n+1);
					this.theImage = filename.replace("36x26.gif","329x252.jpg");
					this.thumbArr[this.thumbArr.length] = new Preview(this, context, this.thumbs[t], this.theName, this.thePrice, this.theImage, this.prevImg, this.prevName, this.prevPrice);
				}
			}
		}
}
function Preview(preview,context,thumbnail,theName,thePrice,theImage,prevImg,prevName,prevPrice) {
	this.preview = preview;
	this.context = context;
	this.thumbnail = thumbnail;
	this.theName = theName;
	this.thePrice = thePrice;
	this.theImage = theImage;
	this.prevImg = prevImg;
	this.prevName = prevName;
	this.prevPrice = prevPrice;
	this.thumbnail.Preview = this;
	this.thumbnail.onclick = function () {
		this.Preview.switchInfo();
		return false;
	}
}
Preview.prototype.switchInfo = function () {
	this.allListItems = this.context.getElementsByTagName("LI");
	for(var u=0; u<this.allListItems.length; u++) {
		this.allListItems[u].className = "";
	}
	var src = this.prevImg.src;
	var n = src.lastIndexOf('/');
	var filename = src.substring(n+1);
	newSrc = src.replace(filename,this.theImage);
	this.prevImg.src = newSrc;
	this.prevName.innerHTML = this.theName;
	this.prevPrice.innerHTML = this.thePrice + ",-";
	this.thumbnail.className = "current";
}

/* function to enable whole table row rollovers */
function tableRollover() {
	this.linkArr = new Array;
	var tables = document.getElementsByTagName("TABLE");
	for (var t=0; t<tables.length; t++) {
		if (tables[t].className == "option-table") {
			this.links = tables[t].getElementsByTagName("A");
			for (var l=0; l<this.links.length; l++) {
				// find the table row (two nodes up from the link)
				this.theTR = this.links[l].parentNode.parentNode;
				this.linkArr[this.linkArr.length] = new rowOvers(this, this.links[l], this.theTR);
			}
		}
	}
}
function rowOvers(tableRollover,theLink,theTR) {
	this.tableRollover = tableRollover;
	this.theLink = theLink;
	this.theTR = theTR;
	this.theTR.rowOvers = this;
	this.theTR.onmouseover = function () {
		this.className = "tr-hover";
		return true;
	}
	this.theTR.onmouseout = function () {
		this.className = "";
		return true;
	}
}

/* function to enable submit button rollovers */
function submitRollovers() {
	this.buttons = new Array;
	var startNode = document.getElementById('content');
	var candidates = startNode.getElementsByTagName('input');
	for (var i=0; i<candidates.length; i++) {
		if (candidates[i].className == 'submit') {
			this.imgName = candidates[i].src;
			this.buttons[this.buttons.length] = new Button(this,candidates[i],this.imgName);
		}
	}
}
Button = function(buttons,subButton,imgName) {
	this.buttons = buttons;
	this.subButton = subButton;
	this.imgName = imgName;
	this.imgNameOver = this.imgName.replace('.gif','_ro.gif');
	this.imgName.Button = this;
	this.imgNameOver.Button = this;
	this.subButton.Button = this;
	this.subButton.onmouseover = function() {
		this.Button.rollOver(true);
		return true;
	}
	this.subButton.onmouseout = function() {
		this.Button.rollOver(false);
		return true;
	}
}
// toggle rollover images
Button.prototype.rollOver = function(action) {
	if (action) {
		this.subButton.src = this.imgNameOver;
	}
	else
		{
		this.subButton.src = this.imgName;
	}
}

function hasClass(obj,classname) { 
        var pattern = new RegExp('(^|\\s)'+classname+'(\\s|$)'); 
        return (pattern.test(obj.className));
}

function doPopup() {
var WindowObjectReference;
	if (!document.getElementsByTagName) return false;
	var lin = document.getElementsByTagName("a");
	for (var i = 0; i < lin.length; i++) {
			if(hasClass(lin[i], "popup")) {			
				lin[i].onclick = function() {
					popString = parseUrl(this.href);
					WindowObjectReference = window.open(this.href,'',popString);
					return false;
				}
			}
	}
}

function parseUrl(url) {
	theUrl = url.split("?");
	theUtl = url.split("menubar");
	popString = "'menubar";
	popString = popString + theUrl[1].replace(/&/g, ",") + "'";
	return popString;
}

function CCPopup() {
var WindowObjectReference;
	if (!document.getElementsByTagName) return false;
	var lin = document.getElementsByTagName("a");
	for (var i = 0; i < lin.length; i++) {
			if(hasClass(lin[i], "ccpopup")) {			
				lin[i].onclick = function() {
					WindowObjectReference = window.open(this.href,'','width=660,height=660,status=yes,scrollbars=yes,resizable=yes');
					return false;
				}
			}
	}
}

function passToIframe() {
	theGet = location.href.split("?");
	if (!document.getElementById) return false;
	theIframe = document.getElementById("pass");
	if (theGet[1]) {
	//alert(theIframe.src + "?" + theGet[1]);
	theIframe.src = theIframe.src + "?" + theGet[1];
	}
	return false;
}

function openShadowboxOnLoad () {
	if(window.location.search != '') {
		var startIndex = location.search.indexOf('openpopin=');
		var url = location.search.substring(startIndex);
		var endIndex = url.indexOf('&');
		if(startIndex != -1) {
			if (endIndex != -1) {
				// als er nog meer parameters achter hangen
				url = decodeURIComponent(url.substring(startIndex + 9, endIndex));
			} else {
				// als openpopin de laatste parameter is
		    	url = decodeURIComponent(url.substring(startIndex + 9));
			}
			//alert(url);
			setTimeout(function(){Shadowbox.open({player: 'iframe', title: 'title2', content:url})}, 0);
		}
	}
}