/* BEGIN MAGNIFIER CODE */

var kShadowPadding = 17;
var kDefaultMagnifierSize = 0; // index into the arrays below
var kMagnifierSizes = [0, 300];
var kMagnifierSizeNames = ['dölj', 'visa'];
var kControllerPrefix = 'Förstoringsruta: ';

function MagnifierPosition()
{			
	this.style.left = Math.round(this.xPosition - 1 - this.size/2) + "px"; // -1 to account for the border
	this.style.top = Math.round(this.yPosition - 1 - this.size/2) + "px";
	
	this.shadow.style.left = Math.round(this.xPosition - this.size/2 - kShadowPadding) + "px";
	this.shadow.style.top = Math.round(this.yPosition - this.size/2 - kShadowPadding) + "px";
	
	var magnifierCenterX = Math.round(this.xPosition * this.xMultiplier - this.size/2);
	var	magnifierCenterY = Math.round(this.yPosition * this.yMultiplier - this.size/2);
		
	this.style.backgroundPosition = -magnifierCenterX + "px " +
									-magnifierCenterY + "px";
}

function ControllerSizeButtonClick(event)
{
	if (!event) event = window.event;
	
	var button = event.currentTarget || event.srcElement;
	
	button.parentNode.magnifier.resize(button.magnifierSize);
}

function MagnifierResize(size)
{
	this.size = kMagnifierSizes[size];
	
	for (var i=0; i < this.controller.sizeButtons.length; i++)
	{
		if (i == size)
			this.controller.sizeButtons[i].className = "magnifierControllerButtonSelected";
		else
			this.controller.sizeButtons[i].className = "magnifierControllerButton";
	}
	
	if (this.size == 0)
	{
		this.shadow.style.display = "none";
		this.style.display = "none";
	}
	else
	{
		var shadow = this.shadow;
		var shadowSize = this.size + 2 * kShadowPadding;
		
		// MSIE 5.x/6.x must be treated specially in order to make them use the PNG alpha channel
		var shadowImageSrc = "shadow" + size + ".png";
		if (shadow.runtimeStyle)
			shadow.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
									     shadowImageSrc +
										 "', sizingMethod='scale')";
		else
			shadow.style.backgroundImage = "url(" + shadowImageSrc + ")";
		shadow.style.width = shadowSize + "px";
		shadow.style.height = shadowSize + "px";
		shadow.style.display = "block";
		
		if (this.runtimeStyle) // msie counts the border as being part of the width
			this.size += 2; // must compensate
		
		this.style.width = this.size + "px";
		this.style.height = this.size + "px";
		this.style.display = "block";
		this.position();
	}
}

function MagnifierMouseDown(event)
{
	if (!event) event = window.event;
	
	document.body.magnifier = this;
	this.inDrag = true;
	if (event.pageX)
	{
		this.startX = event.pageX;
		this.startY = event.pageY;
	}
	else if (event.clientX)
	{
		this.startX = event.clientX;
		this.startY = event.clientY;
	}
	else
	{
		//alert("don't know how to get position out of event");
		return;
	}
	this.savedCursor = this.style.cursor;
	this.style.cursor = "crosshair";
}

function MagnifierMouseUp()
{
	if (this.inDrag)
	{
		this.inDrag = false;
		this.style.cursor = this.savedCursor;
		document.body.magnifier = null;
	}
}

function MagnifierDrag(event)
{
	if (!event) event = window.event;
	var magnifier = this.magnifier; // we're actually in the body's onmousemove handler
	
	if (magnifier && magnifier.inDrag)
	{
		var eventX;
		var eventY;
		
		if (event.pageX)
		{
			eventX = event.pageX;
			eventY = event.pageY;
		}
		else if (event.clientX)
		{
			eventX = event.clientX;
			eventY = event.clientY;
		}
		else
		{
			return;
		}
		
		magnifier.xPosition += eventX - magnifier.startX;
		magnifier.yPosition += eventY - magnifier.startY;
		
		magnifier.startX = eventX;
		magnifier.startY = eventY;
		
		magnifier.position();
	}
}

function loadMagnifier(baseID, zoomedURL, zoomedWidth, zoomedHeight)
{
	// get the zoomed image (load as early as possible)
	var zoomedImage = document.createElement("img");
	zoomedImage.src = zoomedURL;
	
	// get the div's
	var base = document.getElementById(baseID);
	var magnifier = document.createElement("div");

	// get the regular image
	var normalImage = null;
	for (var i=0; i < base.childNodes.length; i++)
	{
		if (base.childNodes[i].tagName &&
			base.childNodes[i].tagName.toLowerCase() == "img")
		{
			normalImage = base.childNodes[i];
			break;
		}
	}
	
	if (normalImage == null)
	{
		//alert("couldn't find normal image for magnifier " + baseID);
		return;
	}
	
	magnifier.xMultiplier = zoomedWidth/normalImage.width;
	magnifier.yMultiplier = zoomedHeight/normalImage.height;
	
	magnifier.size = kMagnifierSizes[kDefaultMagnifierSize];
	magnifier.xPosition = normalImage.width - magnifier.size/2 - 20;
	magnifier.yPosition = normalImage.height - magnifier.size/2 + 30;
	
	magnifier.id = baseID + "Magnifier";
	magnifier.className = "magnifier";
	
	// styles (only dynamic ones, rest are part of the class)
	magnifier.style.backgroundImage = "url(" + zoomedURL + ")";
	
	// functions
	magnifier.onmousedown = MagnifierMouseDown;
	magnifier.onmouseup = MagnifierMouseUp;
	document.body.onmousemove = MagnifierDrag; // we attach this handler to the body because if the user moves
											   // the mouse fast enough, it'll go outside the boundaries of the
											   // magnifier, and then the magnifier's mousemove handler won't fire

	magnifier.position = MagnifierPosition;
	magnifier.resize = MagnifierResize;
	
	// controller
	var controller = document.createElement("span");
	
	controller.id = baseID + "MagnifierController";
	controller.className = "magnifierController";
	
	var controllerPrefix = document.createElement("span");
	controllerPrefix.innerHTML = kControllerPrefix;

	controllerPrefix.className = "magnifierControllerPrefix";
	controller.appendChild(controllerPrefix);
	
	controller.sizeButtons = new Array(kMagnifierSizes.length);

	

	for (var i=0; i < kMagnifierSizes.length; i++)
	{
		var button = document.createElement("span");
		button.innerHTML = kMagnifierSizeNames[i];
		button.className = "magnifierControllerButton";
		button.onclick = ControllerSizeButtonClick;
		button.magnifierSize = i;
		
		controller.sizeButtons[i] = button;
		controller.appendChild(button);
	}
	
	// shadow
	var shadow = document.createElement("div");
	
	shadow.id = baseID + "MagnifierShadow";
	shadow.className = "magnifierShadow";
	
	// point objects at each other
	magnifier.controller = controller;
	controller.magnifier = magnifier;
	magnifier.shadow = shadow;
	
	// add to document and lay out

	var controllerContainer = document.createElement("div");

	controllerContainer.className = "magnifierControllerContainer";

	controllerContainer.appendChild(controller);

	base.insertBefore(controllerContainer, null);
	base.appendChild(shadow);
	base.appendChild(magnifier);
	magnifier.resize(kDefaultMagnifierSize); // also positions
}

/* END MAGNIFIER CODE */

/*
 * Thickbox 2.1 - jQuery plugin for displaying content in a box above the page
 * 
 * Copyright (c) 2006, 2007 Cody Lindley (http://www.codylindley.com)
 *
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */


// on page load call TB_init
$(document).ready(TB_init);

// add thickbox to href elements that have a class of .thickbox
function TB_init(){
	$("a.thickbox").click(function(event){
		// stop default behaviour
		event.preventDefault();
		// remove click border
		this.blur();
	
		// Caption & Byline		
		// display the box for the elements href
		TB_show(this.getAttribute("description") || this.name || "", this.href, this.rel || false);
	});
}


function TB_hideObjectsAndIFrames() {
    var objectsArray = document.getElementsByTagName("object");
    if (objectsArray !== null) {
        for (var i = 0; i < objectsArray.length; i++) {
            objectsArray[i].style.visibility = "hidden";
        }
    }
    objectsArray = document.getElementsByTagName("iframe");
    if (objectsArray !== null) {
        for (var i = 0; i < objectsArray.length; i++) {
            objectsArray[i].style.visibility = "hidden";
        }
    }
}

function TB_showObjectsAndIFrames() {
    var objectsArray = document.getElementsByTagName("object");
    if (objectsArray !== null) {
        for (var i = 0; i < objectsArray.length; i++) {
            objectsArray[i].style.visibility = "visible";
        }
    }
    objectsArray = document.getElementsByTagName("iframe");
    if (objectsArray !== null) {
        for (var i = 0; i < objectsArray.length; i++) {
            objectsArray[i].style.visibility = "visible";
        }
    }
}

// called when the user clicks on a thickbox link
function TB_show(caption, url, rel) {
	// Hide stuff
	TB_hideObjectsAndIFrames();
	
	// create iframe, overlay and box if non-existent
	if ( !$("#TB_HideSelect").length ) {
		$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
	}
	// TODO replace or check if event is already assigned
	$(window).scroll(TB_position);
	
	// TODO replace
	TB_overlaySize();
	
	// TODO create loader only once, hide and show on demand
	$("body").append("<div id='TB_load'><img src='/graphics/thickbox/loading.gif' /></div>");
	TB_load_position();
	
	// check if a query string is involved
	var baseURL = url.match(/(.+)?/)[1] || url;

	// regex to check if a href refers to an image
	var imageURL = /\.(jpe?g|png|gif|bmp)/gi;

	// check for images
	if ( baseURL.match(imageURL) ) {
		var dummy = { caption: "", url: "", html: "" };
		
		var prev = dummy,
			next = dummy,
			imageCount = "";
			
		// if an image group is given
		if ( rel ) {
			function getInfo(image, id, label) {
				return {
					caption: image.getAttribute("description"),
					url: image.href,
					html: "<span id='TB_" + id + "'><a href='#'>" + label + "</a></span>"
				}
			}
		
			// find the anchors that point to the group
			var imageGroup = $("a[rel="+rel+"]").get();
			var foundSelf = false;
			
			// loop through the anchors, looking for ourself, saving information about previous and next image			
			for (var i = 0; i < imageGroup.length; i++) {
				var image = imageGroup[i];
				var urlTypeTemp = image.href.match(imageURL);
				
				// look for ourself
				if ( image.href == url ) {
					foundSelf = true;
					if (imageGroup.length > 1) {
                                                  imageCount = " Bild " + (i + 1) + " av "+ (imageGroup.length);	
                                              }
				} else {
					// when we found ourself, the current is the next image
					if ( foundSelf ) {
						next = getInfo(image, "next", "&nbsp;&nbsp;N&auml;sta <img src=\"/graphics/thickbox/next.gif\" style=\"display:inline;vertical-align:middle;margin:0;padding:0\"/>");
						// stop searching
						break;
					} else {
						// didn't find ourself yet, so this may be the one before ourself
						prev = getInfo(image, "prev", "<img src=\"/graphics/thickbox/prev.gif\" style=\"display:inline;vertical-align:middle;margin:0;padding:0\" /> F&ouml;reg&aring;ende&nbsp;&nbsp;");
					}
				}
			}
		}
		
		imgPreloader = new Image();
		imgPreloader.onload = function() {
			imgPreloader.onload = null;

			// Resizing large images
			var pagesize = TB_getPageSize();
			var x = pagesize[0] - 150;
			var y = pagesize[1] - 150;
			var imageWidth = imgPreloader.width;
			var imageHeight = imgPreloader.height;
			if (imageWidth > x) {
				imageHeight = imageHeight * (x / imageWidth); 
				imageWidth = x; 
				if (imageHeight > y) { 
					imageWidth = imageWidth * (y / imageHeight); 
					imageHeight = y; 
				}
			} else if (imageHeight > y) { 
				imageWidth = imageWidth * (y / imageHeight); 
				imageHeight = y; 
				if (imageWidth > x) { 
					imageHeight = imageHeight * (x / imageWidth); 
					imageWidth = x;
				}
			}
			// End Resizing
			
			// TODO don't use globals
			TB_WIDTH = imageWidth + 30;
			TB_HEIGHT = imageHeight + 60;
			
			// Fix padding and stuff
			// padding:7px 30px 10px 25px;
			var captionWidth = TB_WIDTH;
			
			// Non-IE only
			if (navigator.appName != "Microsoft Internet Explorer" || navigator.appName == "Opera") {
                captionWidth -= 45;                                			    
			}
			
			// TODO empty window content instead
			$("#TB_window").append("<div id='TB_ImageDiv'><img id='TB_Image' src='" + url + "' width='" 
			    + imageWidth + "' height='" + imageHeight + "' alt='"+ url +"'/></div>" + 
			    "<div id='TB_firstLine' style='text-align:center'>" + prev.html + imageCount + next.html + "</div>" + 
			    "<div id='TB_caption' style='width:" + captionWidth + "px;'>" + caption + "</div>" + 
			    "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='St&auml;ng'>St&auml;ng</a></div>");
			
                        // Add zoom?
			if (loadMagnifier && (imageWidth < imgPreloader.width || imageHeight < imgPreloader.height)) {
			    loadMagnifier("TB_ImageDiv", url, imgPreloader.width, imgPreloader.height);
			}

			$("#TB_closeWindowButton").click(TB_remove);
			
			function buildClickHandler(image) {
				return function() {					
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					TB_show(image.caption, image.url, rel);
					return false;
				};
			}
			var goPrev = buildClickHandler(prev);
			var goNext = buildClickHandler(next);
			if ( prev.html ) {
				$("#TB_prev").click(goPrev);
			}
			
			if ( next.html ) {		
				$("#TB_next").click(goNext);
			}
			
			// TODO use jQuery, maybe with event fix plugin, or just get the necessary parts of it
			document.onkeydown = function(e) {
				if (e == null) { // ie
					keycode = event.keyCode;
				} else { // mozilla
					keycode = e.which;
				}
				switch(keycode) {
				case 27:
					TB_remove();
					break;
				case 190:
					if( next.html ) {
						document.onkeydown = null;
						goNext();
					}
					break;
				case 188:
					if( prev.html ) {
						document.onkeydown = null;
						goPrev();
					}
					break;
				}
			}
			
			// TODO don't remove loader etc., just hide and show later
			TB_position();
			$("#TB_load").remove();
			$("#TB_ImageOff").click(TB_remove);
			
			// for safari using css instead of show
			// TODO is that necessary? can't test safari
			$("#TB_window").css({display:"block"});
		}
		imgPreloader.src = url;
		
	} else { //code to show html pages
		
		var queryString = url.match(/\?(.+)/)[1];
		var params = TB_parseQuery( queryString );
		
		TB_WIDTH = (params['width']*1) + 30;
		TB_HEIGHT = (params['height']*1) + 40;

		var ajaxContentW = TB_WIDTH - 30,
			ajaxContentH = TB_HEIGHT - 45;
		
		if(url.indexOf('TB_iframe') != -1){				
			urlNoQuery = url.split('TB_');		
			$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='St&auml;ng'>St&auml;ng</a></div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='TB_showIframe()'> </iframe><div style=\"width:100%;text-align:center;\"><a href='#' id='TB_closeWindowButtonBottom' title='St&auml;ng'>Stäng</a></div>");
		} else {
			$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>St&auml;ng</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
		}
				
		$("#TB_closeWindowButton").click(TB_remove);
		$("#TB_closeWindowButtonBottom").click(TB_remove);
		
			if(url.indexOf('TB_inline') != -1){	
				$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
				TB_position();
				$("#TB_load").remove();
				$("#TB_window").css({display:"block"}); 
			}else if(url.indexOf('TB_iframe') != -1){
				TB_position();
				if(frames['TB_iframeContent'] == undefined){//be nice to safari
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"});
					$(document).keyup( function(e){ var key = e.keyCode; if(key == 27){TB_remove()} });
				}
			}else{
				$("#TB_ajaxContent").load(url, function(){
					TB_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				});
			}
		
	}
	
	$(window).resize(TB_position);
	
	document.onkeyup = function(e){ 	
		if (e == null) { // ie
			keycode = event.keyCode;
		} else { // mozilla
			keycode = e.which;
		}
		if(keycode == 27){ // close
			TB_remove();
		}	
	}
		
}

//helper functions below

function TB_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function TB_remove() {
    
 	$("#TB_imageOff").unbind("click");
	$("#TB_overlay").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#TB_load").remove();
	
	// show stuff
	TB_showObjectsAndIFrames();
	
	return false;
}

function TB_position() {	
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();
	var style = {width: TB_WIDTH, left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2), top: (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2) - 50};
	$("#TB_window").css(style);
	TB_overlaySize();
}

function TB_overlaySize(){
	
	if (window.innerHeight && window.scrollMaxY || window.innerWidth && window.scrollMaxX) {	
		yScroll = window.innerHeight + window.scrollMaxY;
		xScroll = window.innerWidth + window.scrollMaxX;
		var deff = document.documentElement;
		var wff = (deff&&deff.clientWidth) || document.body.clientWidth || window.innerWidth || self.innerWidth;
		var hff = (deff&&deff.clientHeight) || document.body.clientHeight || window.innerHeight || self.innerHeight;
		xScroll -= (window.innerWidth - wff);
		yScroll -= (window.innerHeight - hff);
	} else if (document.body.scrollHeight > document.body.offsetHeight || document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
		xScroll = document.body.scrollWidth;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
		xScroll = document.body.offsetWidth;
  	}
  	
  	var pageSize = TB_getPageSize();
  	var pageHeight = pageSize[1];
  	var pageWidth = pageSize[0];
         xScroll = xScroll < pageWidth ? pageWidth : xScroll;
         yScroll = yScroll < pageHeight ? pageHeight : yScroll;         
  	
	$("#TB_overlay").css({"height": yScroll, "width": xScroll});
	$("#TB_HideSelect").css({"height": yScroll,"width": xScroll});
}

function TB_load_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();
	$("#TB_load")
		.css({left: (arrayPageScroll[0] + (pagesize[0] - 100)/2), top: (arrayPageScroll[1] + ((pagesize[1]-100)/2)) })
		.css({display:"block"});
}

function TB_parseQuery ( query ) {
	// return empty object
	if( !query )
		return {};
	var params = {};
	
	// parse query
	var pairs = query.split(/[;&]/);
	for ( var i = 0; i < pairs.length; i++ ) {
		var pair = pairs[i].split('=');
		if ( !pair || pair.length != 2 )
			continue;
		// unescape both key and value, replace "+" with spaces in value
		params[unescape(pair[0])] = unescape(pair[1]).replace(/\+/g, ' ');
   }
   return params;
}

function TB_getPageScrollTop(){
	var yScrolltop;
	var xScrollleft;
	if (self.pageYOffset || self.pageXOffset) {
		yScrolltop = self.pageYOffset;
		xScrollleft = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
		xScrollleft = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
		xScrollleft = document.body.scrollLeft;
	}
	
	return [xScrollleft, yScrolltop];
}

function TB_getPageSize(){
	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
	return [Math.max(210, w), Math.max(100, h)];	
}