/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 */

var tb_pathToImage = "../images/loadingAnimation.gif";

/*
 * !!!!!!!!!!!!!!!!! edit below this line at your own risk
 * !!!!!!!!!!!!!!!!!!!!!!!
 */

// on page load call tb_init
$(document).ready( function() {
    tb_init('a.thickbox, area.thickbox, input.thickbox');// pass
	// where
	// to
	// apply thickbox
	imgLoader = new Image();// preload image
	imgLoader.src = tb_pathToImage;
    });

// add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk) {
    $(domChunk).click( function() {
	var t = this.title || this.name || null;
	var a = this.href || this.alt;
	var g = this.rel || false;
	tb_show(t, a, g);
	this.blur();
	return false;
    });
}

function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

    try {
	if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
	    $("body", "html").css( {
		height : "100%",
		width : "100%"
	    });
	    $("html").css("overflow", "hidden");
	    if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
		$("body")
			.append(
				"<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(tb_remove);
	    }
	} else {//all others
	    if (document.getElementById("TB_overlay") === null) {
		$("body")
			.append(
				"<div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(tb_remove);
	    }
	}

	if (tb_detectMacXFF()) {
	    $("#TB_overlay").addClass("TB_overlayMacFFBGHack");// use
									    // png
	    // overlay so
	    // hide flash
	} else {
	    $("#TB_overlay").addClass("TB_overlayBG");// use
								    // background
								    // and
	    // opacity
	}

	if (caption === null) {
	    caption = "";
	}
	$("body").append(
		"<div id='TB_load'><img src='" + imgLoader.src + "' /></div>");// add
	// loader
	// to
	// the
	// page
	$('#TB_load').show();// show loader

	var baseURL;
	if (url.indexOf("?") !== -1) { //ff there is a query string involved
	    baseURL = url.substr(0, url.indexOf("?"));
	} else {
	    baseURL = url;
	}

	var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
	var urlType = baseURL.toLowerCase().match(urlString);

	if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png'
		|| urlType == '.gif' || urlType == '.bmp') {//code to show images

	    TB_PrevCaption = "";
	    TB_PrevURL = "";
	    TB_PrevHTML = "";
	    TB_NextCaption = "";
	    TB_NextURL = "";
	    TB_NextHTML = "";
	    TB_imageCount = "";
	    TB_FoundURL = false;
	    if (imageGroup) {
		TB_TempArray = $("a[@rel=" + imageGroup + "]").get();
		for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
		    var urlTypeTemp = TB_TempArray[TB_Counter].href
			    .toLowerCase().match(urlString);
		    if (!(TB_TempArray[TB_Counter].href == url)) {
			if (TB_FoundURL) {
			    TB_NextCaption = TB_TempArray[TB_Counter].title;
			    TB_NextURL = TB_TempArray[TB_Counter].href;
			    TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Volgende &gt;</a></span>";
			} else {
			    TB_PrevCaption = TB_TempArray[TB_Counter].title;
			    TB_PrevURL = TB_TempArray[TB_Counter].href;
			    TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Vorige</a></span>";
			}
		    } else {
			TB_FoundURL = true;
			TB_imageCount = "Afbeelding " + (TB_Counter + 1)
				+ " van " + (TB_TempArray.length);
		    }
		}
	    }

	    imgPreloader = new Image();
	    imgPreloader.onload = function() {
		imgPreloader.onload = null;

		// Resizing large images - orginal by Christian
				// Montoya edited
		// by
		// me.
		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

		TB_WIDTH = imageWidth + 30;
		TB_HEIGHT = imageHeight + 60;
		$("#TB_window")
			.append(
				"<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"
					+ url
					+ "' width='"
					+ imageWidth
					+ "' height='"
					+ imageHeight
					+ "' alt='"
					+ caption
					+ "'/></a>"
					+ "<div id='TB_caption'>"
					+ caption
					+ "<div id='TB_secondLine'>"
					+ TB_imageCount
					+ TB_PrevHTML
					+ TB_NextHTML
					+ "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>sluiten</a></div>");

		$("#TB_closeWindowButton").click(tb_remove);

		if (!(TB_PrevHTML === "")) {
		    function goPrev() {
			if ($(document).unbind("click", goPrev)) {
			    $(document).unbind("click", goPrev);
			}
			$("#TB_window").remove();
			$("body").append("<div id='TB_window'></div>");
			tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
			return false;
		    }
		    $("#TB_prev").click(goPrev);
		}

		if (!(TB_NextHTML === "")) {
		    function goNext() {
			$("#TB_window").remove();
			$("body").append("<div id='TB_window'></div>");
			tb_show(TB_NextCaption, TB_NextURL, imageGroup);
			return false;
		    }
		    $("#TB_next").click(goNext);

		}

		document.onkeydown = function(e) {
		    if (e == null) { // ie
			keycode = event.keyCode;
		    } else { // mozilla
			keycode = e.which;
		    }
		    if (keycode == 27) { // close
			tb_remove();
		    } else if (keycode == 190) { // display previous image
			if (!(TB_NextHTML == "")) {
			    document.onkeydown = "";
			    goNext();
			}
		    } else if (keycode == 188) { // display next image
			if (!(TB_PrevHTML == "")) {
			    document.onkeydown = "";
			    goPrev();
			}
		    }
		};

		tb_position();
		$("#TB_load").remove();
		$("#TB_ImageOff").click(tb_remove);
		$("#TB_window").css( {
		    display : "block"
		}); // for safari using css
		// instead of show
	    };

	    imgPreloader.src = url;
	} else {//code to show html

	    var queryString = url.replace(/^[^\?]+\??/, '');
	    var params = tb_parseQuery(queryString);

	    TB_WIDTH = (params['width'] * 1) + 30 || 630; // defaults
									// to
									// 630
	    // if no
	    // paramaters were added
	    // to URL
	    TB_HEIGHT = (params['height'] * 1) + 40 || 440; // defaults
									// to
									// 440
	    // if no paramaters
	    // were added to URL
	    ajaxContentW = TB_WIDTH - 30;
	    ajaxContentH = TB_HEIGHT - 45;

	    if (url.indexOf('TB_iframe') != -1) {// either iframe or ajax window		
		urlNoQuery = url.split('TB_');
		$("#TB_iframeContent").remove();
		if (params['modal'] != "true") {//iframe no modal
		    $("#TB_window")
			    .append(
				    "<div id='TB_title'><div id='TB_ajaxWindowTitle'>"
					    + caption
					    + "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>sluiten</a></div></div><iframe frameborder='0' hspace='0' src='"
					    + urlNoQuery[0]
					    + "' id='TB_iframeContent' name='TB_iframeContent"
					    + Math.round(Math.random() * 1000)
					    + "' onload='tb_showIframe()' style='width:"
					    + (ajaxContentW + 29)
					    + "px;height:"
					    + (ajaxContentH + 17)
					    + "px;' > </iframe>");
		} else {//iframe modal
		    $("#TB_overlay").unbind();
		    $("#TB_window")
			    .append(
				    "<iframe frameborder='0' hspace='0' src='"
					    + urlNoQuery[0]
					    + "' id='TB_iframeContent' name='TB_iframeContent"
					    + Math.round(Math.random() * 1000)
					    + "' onload='tb_showIframe()' style='width:"
					    + (ajaxContentW + 29)
					    + "px;height:"
					    + (ajaxContentH + 17)
					    + "px;'> </iframe>");
		}
	    } else {// not an iframe, ajax
		if ($("#TB_window").css("display") != "block") {
		    if (params['modal'] != "true") {//ajax no modal
			$("#TB_window")
				.append(
					"<div id='TB_title'><div id='TB_ajaxWindowTitle'>"
						+ caption
						+ "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>sluiten</a></div></div><div id='TB_ajaxContent' style='width:"
						+ ajaxContentW + "px;height:"
						+ ajaxContentH + "px'></div>");
		    } else {//ajax modal
			$("#TB_overlay").unbind();
			$("#TB_window").append(
				"<div id='TB_ajaxContent' class='TB_modal' style='width:"
					+ ajaxContentW + "px;height:"
					+ ajaxContentH + "px;'></div>");
		    }
		} else {//this means the window is already up, we are just loading new content via ajax
		    $("#TB_ajaxContent")[0].style.width = ajaxContentW + "px";
		    $("#TB_ajaxContent")[0].style.height = ajaxContentH + "px";
		    $("#TB_ajaxContent")[0].scrollTop = 0;
		    $("#TB_ajaxWindowTitle").html(caption);
		}
	    }

	    $("#TB_closeWindowButton").click(tb_remove);

	    if (url.indexOf('TB_inline') != -1) {
		$("#TB_ajaxContent").append(
			$('#' + params['inlineId']).children());
		$("#TB_window").unload(
			function() {
			    $('#' + params['inlineId']).append(
				    $("#TB_ajaxContent").children()); // move
			    // elements
			    // back
			    // when
			    // you're
			    // finished
			});
		tb_position();
		$("#TB_load").remove();
		$("#TB_window").css( {
		    display : "block"
		});
	    } else if (url.indexOf('TB_iframe') != -1) {
		tb_position();
		if ($.browser.safari) {//safari needs help because it will not fire iframe onload
		    $("#TB_load").remove();
		    $("#TB_window").css( {
			display : "block"
		    });
		}
	    } else {
		$("#TB_ajaxContent").load(
			url += "&random=" + (new Date().getTime()), function() {//to do a post change this load method
			    tb_position();
			    $("#TB_load").remove();
			    tb_init("#TB_ajaxContent a.thickbox");
			    $("#TB_window").css( {
				display : "block"
			    });
			});
	    }

	}

	if (!params['modal']) {
	    document.onkeyup = function(e) {
		if (e == null) { // ie
		    keycode = event.keyCode;
		} else { // mozilla
		    keycode = e.which;
		}
		if (keycode == 27) { // close
		    tb_remove();
		}
	    };
	}

    } catch (e) {
	//nothing here
    }
}

//helper functions below
function tb_showIframe() {
    $("#TB_load").remove();
    $("#TB_window").css( {
	display : "block"
    });
}

function tb_remove() {
    $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut(
	    "fast",
	    function() {
		$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload")
			.unbind().remove();
	    });
    $("#TB_load").remove();
    if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
	$("body", "html").css( {
	    height : "auto",
	    width : "auto"
	});
	$("html").css("overflow", "");
    }
    document.onkeydown = "";
    document.onkeyup = "";
    return false;
}

function tb_position() {
    $("#TB_window").css( {
	marginLeft : '-' + parseInt((TB_WIDTH / 2), 10) + 'px',
	width : TB_WIDTH + 'px'
    });
    if (!(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
	$("#TB_window").css( {
	    marginTop : '-' + parseInt((TB_HEIGHT / 2), 10) + 'px'
	});
    }
}

function tb_parseQuery(query) {
    var Params = {};
    if (!query) {
	return Params;
    }// return empty object
    var Pairs = query.split(/[;&]/);
    for ( var i = 0; i < Pairs.length; i++) {
	var KeyVal = Pairs[i].split('=');
	if (!KeyVal || KeyVal.length != 2) {
	    continue;
	}
	var key = unescape(KeyVal[0]);
	var val = unescape(KeyVal[1]);
	val = val.replace(/\+/g, ' ');
	Params[key] = val;
    }
    return Params;
}

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;
    arrayPageSize = [ w, h ];
    return arrayPageSize;
}

function tb_detectMacXFF() {
    var userAgent = navigator.userAgent.toLowerCase();
    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1) {
	return true;
    }
}
