/*
* 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 = "/sysImages/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='#'>Next &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; Prev</a></span>";
						}
					} else {
						TB_FoundURL = true;
						TB_imageCount = "Image " + (TB_Counter + 1) + " of " + (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'>close</a> or Esc Key</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'>close</a> or Esc Key</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'>close</a> or Esc Key</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;
	}
}