/* 
 * 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
 * 
 */

/* on page load call tb_init */
/*****************************/

$(document).ready(function() {   
	tb_init('a.thickbox, area.thickbox, input.thickbox'); //pass where to apply thickbox
});

/* 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 called when the user clicks on a thickbox link */
/***********************************************************/

function tb_show(caption, url, imageGroup) {
	try { 
		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'></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='javascript:void()'>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='javascript:void()'>&lt; Prev</a></span>";
					}
				} else {
					TB_FoundURL = true;
					TB_imageCount = "<span id='TB_counter'>" + (TB_Counter + 1) + " of " + (TB_TempArray.length) + "</span>";                      
				}
			}
		}
		
		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] - 100;
			var y = pagesize[1] - 100;
			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("<span class='title'></span><a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'><span class='caption'>"+caption+"</span><div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close or Esc Key</a></div>");     
			
			if ($(".gallery-title").length) {
				var galleryTitle = $(".gallery-title").text();
				$("#TB_window").addClass("hasTitle")
				$(".title").html(galleryTitle);
			};
			
			$("#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);
				$(".selected").parent().prev().children("a").addClass("selected"); //add selector to the next image if you press the next button
				$(".selected:eq(1)").removeClass("selected"); //remove selector from the first selected image
				
				//puts the image id into the login form action path to pass the variable back to the page when it reloads
				if (($("#requiresLogin form").length)) {
					var newImgId = $(".selected").attr("id");
					formAction = $("#requiresLogin form").attr("action");
					var formActionIndex = formAction.indexOf("pass=ok");
					var newFormAction = formAction.substring(0, formActionIndex + 7);
					$("#requiresLogin form").attr("action", newFormAction + "{}#reqLoginImg=" + newImgId);
				}
				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);    
			}
			$("#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
			$("#TB_window").bind("contextmenu",function(e){return false;}); //disables right-click once element is created
		};

		imgPreloader.src = url;

	} else { //code to show html

		var queryString = url.replace(/^[^\?]+\??/,'');
		var params = tb_parseQuery(queryString);
		if (jQuery.browser.msie) { // pixel perfect
			TB_WIDTH = (params['width'] * 1) + 34 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height'] * 1) + 44 || 440; //defaults to 440 if no paramaters were added to URL
		} else {
			TB_WIDTH = (params['width'] * 1) + 32 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height'] * 1) + 42 || 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 or Esc Key</a></div></div><iframe frameborder='0' hspace='0' scrolling='no' 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 or Esc Key</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");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
	$("#TB_load").remove();
	$(".selected").removeClass("selected"); //remove selector since we no longer need it.
  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;
}

// ie detection
$.browser.msie = ($.browser.msie 
	&& /MSIE 6\.0/i.test(window.navigator.userAgent) 
	&& !/MSIE 7\.0/i.test(window.navigator.userAgent) 
 	|| $.browser.msie && (jQuery.browser.version > 6.9999));

//ie 6 detection
$.browser.msie6 = $.browser.msie 
	&& /MSIE 6\.0/i.test(window.navigator.userAgent) 
	&& !/MSIE 7\.0/i.test(window.navigator.userAgent);


// center the thickbox in a non position:fixed setting	
$.fn.extend({
	TB_center: function() {
		return this.each(function() {

			var myHeight	= $(this).outerHeight(),
				winHeight	= $(window).height(),
				topScroll	= $(window).scrollTop();

			var newTop = ((winHeight/2)-(myHeight/2))+topScroll;

			if (newTop < 0) {
				newTop = 0;
			} else if (newTop < topScroll) {
				newTop = topScroll;
			}

			$(this).css('position','absolute').css('top',newTop);

		});
	}

});

function tb_position() {
	$("#TB_overlay").width($(document).width()).height($(document).height());
	$("#TB_overlay").width($(document).width()).height($(document).height());
	$("#TB_window").TB_center().css({height: TB_HEIGHT + 'px', width: TB_WIDTH + 'px',  marginLeft: '-' + (TB_WIDTH / 2) + '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;
	}
}