/*
 * 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 = TB_IMAGE_DIR + "loading.gif";
var tb_closeImage = TB_IMAGE_DIR + "tb-close.png";

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

//on page load call tb_init
jQuery(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){
	jQuery(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
			jQuery("body","html").css({height: "100%", width: "100%"});
			jQuery("html").css("overflow","hidden");
			if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
				jQuery("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
				jQuery("#TB_overlay").click(tb_remove);
			}
		} else {//all others
			if (document.getElementById("TB_overlay") === null) {
				jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
				jQuery("#TB_overlay").click(tb_remove);
			}
		}
		
		if (tb_detectMacXFF()) {
			jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		} else {
			jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}
		
		if (caption===null) { caption=""; }
		jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
		jQuery('#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 = jQuery("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;
				jQuery("#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'><img src='" + tb_closeImage + "' /></a></div>"); 		
				
				jQuery("#TB_closeWindowButton").click(tb_remove);
				
				if (!(TB_PrevHTML === "")) {
					function goPrev() {
						if (jQuery(document).unbind("click",goPrev)) { jQuery(document).unbind("click",goPrev); }
						jQuery("#TB_window").remove();
						jQuery("body").append("<div id='TB_window'></div>");
						tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
						return false;	
					}
					jQuery("#TB_prev").click(goPrev);
				}
				
				if (!(TB_NextHTML === "")) {		
					function goNext() {
						jQuery("#TB_window").remove();
						jQuery("body").append("<div id='TB_window'></div>");
						tb_show(TB_NextCaption, TB_NextURL, imageGroup);				
						return false;	
					}
					jQuery("#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();
				jQuery("#TB_load").remove();
				jQuery("#TB_ImageOff").click(tb_remove);
				jQuery("#TB_window").css({display:"block"}); //for safari using css instead of show
			};
			
			imgPreloader.src = url;
		} else {//code to show html
			
			//MARGIN = 15;
			
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery(queryString);
			
			// 
			if(jQuery("#TB_window").css("display") != "block") {
				jQuery("#TB_window").append(
						//'<div id="TB_title">' +
						//	'<div id="TB_ajaxWindowTitle"></div>' +
						//	'<div id="TB_closeAjaxWindow"><a href="#" id="TB_closeWindowButton"><img src="' + tb_closeImage + '" /></a></div>' + 
						//'</div>' + 
						'<div id="TB_ajaxContent"></div>'
				);
			}
			
//			jQuery("#TB_ajaxContent").append(
//				'<div id="TB_closeAjaxWindow">' + 
//					'<a href="#" id="TB_closeWindowButton"><img src="' + tb_closeImage + '" /></a>' + 
//					'</div>'
//			);
//			jQuery("#TB_closeWindowButton").click(tb_remove);
			
			jQuery("#TB_ajaxContent").load(url, null, function() {
				// 
				setAjaxContent();
				
				//jQuery("#TB_ajaxContent").append('<div id="TB_closeAjaxWindow"><a href="#" id="TB_closeWindowButton"><img src="' + tb_closeImage + '" /></a></div>');
				jQuery("#TB_ajaxContent").append(
					'<div id="TB_closeAjaxWindow">' + 
						'<a href="#" id="TB_closeWindowButton"><img src="' + tb_closeImage + '" /></a>' + 
					'</div>'
				);
				jQuery("#TB_closeWindowButton").click(tb_remove);
				
				
				tb_position();
				jQuery("#TB_load").remove();
				tb_init("#TB_ajaxContent a.thickbox");
				jQuery("#TB_window").css({display:"block"});
				
				// 
				jQuery(window).resize(function() {
					setAjaxContent();
					tb_position();
				});

			});
		}

		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
	}
}

function setAjaxContent() {
	
	var MARGIN = 10 * 2;
	var NAVI_WIDTH = 23;
	var NAVI_HEIGHT = 26;
	var CAPTION_PADDING = 25;
	
	var MIN_CAPTION_WIDTH = 150;
	
//	var pagesize = tb_getPageSize();
//	var pageWidth = pagesize[0];
//	var pageHeight = pagesize[1];
	
	var imageHeight = parseInt(jQuery("#fullsize-image").css('height'), 10);
	var imageWidth = parseInt(jQuery("#fullsize-image").css('width'), 10);
	
	
	TB_WIDTH = jQuery(window).width();
	TB_HEIGHT = Math.min(imageHeight + MARGIN, jQuery(window).height());
	contentWidth = TB_WIDTH - MARGIN;
	contentHeight = TB_HEIGHT - MARGIN;
	
	jQuery("#TB_ajaxContent")[0].style.width = contentWidth + "px";
	jQuery("#TB_ajaxContent")[0].style.height = contentHeight + "px";
	jQuery("#TB_ajaxContent")[0].scrollTop = 0;
	
	
	var marginWidth = parseInt((contentWidth - imageWidth) / 2);
	
//	if (marginWidth <= MIN_CAPTION_WIDTH) {
//		
//	}
	var captionWidth = Math.max(marginWidth - NAVI_WIDTH - CAPTION_PADDING, MIN_CAPTION_WIDTH);
	jQuery("#caption").css("width", captionWidth + 'px');
	
	var wrapperWidth = marginWidth + imageWidth;
	jQuery("#image_wrapper").css("width", wrapperWidth + 'px');
	
	var postNaviTop = (imageHeight - NAVI_HEIGHT) / 2;
	jQuery("#previous").css("top", postNaviTop + 'px');
	jQuery("#next").css("top", postNaviTop + 'px');
	
	//console.log(jQuery("#caption").height());
}


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

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

function tb_position() {
	jQuery("#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
		jQuery("#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;
  }
}