/*
 * 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/spinner.gif";
var flag_a = false;
/*!!!!!!!!!!!!!!!!! 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(){	
		
		$(this).parent().append("<div id='TB_load' class='TB_load'><img src='"+imgLoader.src+"' /></div>");
		$(this).parent().find('.TB_load').show();
		
		var t = this.title || this.name || null;
		var a = this.href || this.alt;
		var g = this.rel || false;
		var info = $(this).parent().find('div.content').html();
		//var largeImage = unescape($(this).parent().find('div.largeImage').html()).replace(/\+/g, ' ');
		var largeImage = $(this).find('img').attr('alt'); //$('div#l' + $(this).get(0).id).html();
		tb_show(t, a, g, info, largeImage);
		this.blur();
		return false;
	});
}

function tb_show(caption, url, imageGroup, information, imageLarge) {//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' class='container-overlay-a'></div>");

			}
		}else{//all others
			if(document.getElementById("TB_overlay") === null){
				$("body").append("<div id='TB_overlay'></div><div id='TB_window' class='container-overlay-a'></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="";}

		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'><a href='#'><img src='/images/btn-next-a.gif' /></a></span>";
					  } else {
						TB_PrevCaption = TB_TempArray[TB_Counter].title;
						TB_PrevURL = TB_TempArray[TB_Counter].href;
						TB_PrevHTML = "<span id='TB_prev'><a href='#'><img src='/images/btn-prev-a.gif' /></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 and small images
			// Orginal by Christian Montoya,
			// Edited by "me",
			// Mollified by Joel
			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").html(
				"<div class='image-container'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></div>"
				+ "<div class='image-underlay'></div>"
				+ "<div class='notes-container'><div class='content'>" + information + "</div></div>"
				+ "<div class='border'></div>"
				+ "<div class='tools-container'>"
					+ "<div class='btn-close' id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'><img src='/images/btn-close-a.gif' alt='close' /></a></div>"
					+ "<div class='btn-next'>" + TB_NextHTML + "</div>"
					+ "<div class='btn-prev'>" + TB_PrevHTML + "</div>"
				+ "</div>"
			);

			// add the info button only if we have info to show
			if (jQuery.trim(information) != '') {
				//alert('_'+jQuery.trim(information)+'_');
				$('.tools-container').append("<div class='btn-note'><a href='#'><img src='/images/btn-info-a.gif' alt='close' /></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_Info_P = $('a[rel='+imageGroup+'][href='+TB_PrevURL+']').parent().find('div.content').html();
					  img = $('a[rel='+imageGroup+'][href='+TB_PrevURL+']').parent().find('img').attr('alt');
					  tb_show(TB_PrevCaption, TB_PrevURL, imageGroup, TB_Info_P, img);
					  return false;
					}
					$("#TB_prev").click(goPrev);
				  }

				  if (!(TB_NextHTML === "")) {
					function goNext(){
					  $("#TB_window").remove();
					  $("body").append("<div id='TB_window'></div>");
					  TB_Info_N = $('a[rel='+imageGroup+'][href='+TB_NextURL+']').parent().find('div.content').html();
					  //TB_largeImage_N = $('a[rel='+imageGroup+'][href='+TB_NextURL+']').parent().find('div.largeImage').html();
					  img = $('a[rel='+imageGroup+'][href='+TB_NextURL+']').parent().find('img').attr('alt');
					  tb_show(TB_NextCaption, TB_NextURL, imageGroup, TB_Info_N,img);
					  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

			img_height = $('.image-container img').height();
			img_width = $('.image-container img').width();

			var top_area = (img_height-82)/2;

			$('.tools-container').height(img_height);

			$('.tools-container .btn-close').css({'top': '0', 'left': '0'});
			$('.tools-container .btn-prev').css({'top': (top_area+45), 'left': '0'});
			$('.tools-container .btn-next').css({'top': top_area, 'left': '0'});
			$('.tools-container .btn-note').css({'bottom': '0', 'left': '0'});

			$('.image-underlay').css({'width': (img_width < 300) ? 300 : img_width, 'bottom': '5px', 'height': '0', 'left': '5px'});
			$('.notes-container').css({'width': (img_width < 300) ? 300 : img_width, 'bottom': '5px', 'height': '0', 'left': '5px'});

			$('.image-container').css({'width': (img_width < 300) ? 300 : img_width, 'height': img_height, 'overflow': 'hidden'});
			$('.border').css({'width': (img_width < 300) ? 300 : img_width, 'height': img_height});

			$('.image-container img').click(function(e) {imageclick(imageLarge,url,imageWidth,imageHeight,caption,e);});

			$('.btn-note').toggle(
				function() {
					$.each(jQuery.browser, function(i, val) {
					  if(i=="msie" && jQuery.browser.version.substr(0,3)=="6.0")
						 img_height = img_height+20;
					});
					imagedoubleclick(imageLarge,url,imageWidth,imageHeight,caption);
					$('.notes-container').animate({height: img_height},500);
					$('.image-underlay').animate({height: (img_height)},500);
					img_height = $('.image-container img').height();
//					text_change();
					return false;
				},
				function() {
					$('.notes-container').animate({height: '0'},500);
					$('.image-underlay').animate({height: '0'},500);
//					text_change();
					return false;
				}
			);

			$('#TB_window').hover(function() {draggingStop(imageHeight);},function() {draggingStart();});

			$('.image-container img').mouseup(function() {imagePosition()});

			$("#TB_overlay").mouseup(function(){if($('.ui-draggable-dragging')) {imagePosition();}else{tb_remove();}});

			};


			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'});
		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;
  }
}

function imageclick(imageLarge,url,imageWidth,imageHeight,caption,mouse) {
	$('.image-container').html('<img id="test" src="'+imageLarge+'" />');
	if($('img#test').height() == 0)
		$('.image-container').prepend('<div id="loading"></div>');
	
	$('img#test').load(
		function() { 
			var largeimageHeight = $('img#test').height();
			var largeimageWidth = $('img#test').width();
			var mouseY = mouse.pageY;
			var mouseX = mouse.pageX;

			var overlayoffsetY = $('#TB_window').offset().top;
			var overlayoffsetX = $('#TB_window').offset().left;

			mouseY = mouseY - overlayoffsetY;
			mouseX = mouseX - overlayoffsetX;

			var imageHeightratio = (largeimageHeight / imageHeight);
			var imageWidthratio = (largeimageWidth / imageWidth);

			var heightCenter = imageHeight / 2;
			var widthCenter = imageWidth / 2;

			var positionY = mouseY * imageHeightratio;
			var positionX = mouseX * imageWidthratio;

			positionY = Math.round(positionY);
			positionY = -(positionY);
			positionX = Math.round(positionX);
			positionX = -(positionX);

			$('.image-container img').css({'left': positionX, 'top': positionY});

			var width_diff = imageWidth - largeimageWidth;
			var height_diff = imageHeight - largeimageHeight;

			if ( 0 < positionX ) $('.image-container img').css('left', '0');
			if ( 0 < positionY ) $('.image-container img').css('top', '0');
			if ( width_diff > positionX ) $('.image-container img').css('left', width_diff);
			if ( height_diff > positionY ) $('.image-container img').css('top', height_diff);
			$('.image-container img').mouseup(function() {imagePosition()});		
			$('.image-container img').draggable({snap: '.image-container', snapTolerance: '0px'});	
			$('.image-container img').dblclick(function() {imagedoubleclick(imageLarge,url,imageWidth,imageHeight,caption)});			
			$('.image-container div#loading').hide('slow');
		}
	)
}

function imagedoubleclick(imageLarge,url,imageWidth,imageHeight,caption) {
	$('.image-container').html('<img id="TB_Image" src="'+url+'" width="'+imageWidth+'" height="'+imageHeight+'" alt="'+caption+'" />');
	$('.image-container img').click(function(e) {imageclick(imageLarge,url,imageWidth,imageHeight,caption,e)});
}

function imagePosition() {

	var img_position = $('.image-container img').position();

	var container_width = $('.image-container').width();
	var container_height = $('.image-container').height();

	var large_img_width = $('.image-container img').width();
	var large_img_height = $('.image-container img').height();

	var width_diff = container_width - large_img_width;
	var height_diff = container_height - large_img_height;

	if ( 0 < img_position.left ) $('.image-container img').css('left', '0');
	if ( 0 < img_position.top ) $('.image-container img').css('top', '0');
	if ( width_diff > img_position.left ) $('.image-container img').css('left', width_diff);
	if ( height_diff > img_position.top ) $('.image-container img').css('top', height_diff);

}

function draggingStart() {
	flag_a = true;

	$('.tools-container .btn-close').animate({'top': '-30px'}, 250);
	$('.tools-container .btn-prev').animate({'left': '-62px'}, 250);
	$('.tools-container .btn-next').animate({'left': '-62px'}, 250);
	$('.tools-container .btn-note').animate({'bottom': '-31px'}, 250);
}

function draggingStop(img_height) {
	if(flag_a) {
		$('.tools-container').height(img_height);
		$('.tools-container .btn-close').animate({'top': '0px'}, 250);
		$('.tools-container .btn-prev').animate({'left': '0px'}, 250);
		$('.tools-container .btn-next').animate({'left': '0px'}, 250);
		$('.tools-container .btn-note').animate({'bottom': '0px'}, 250);
		flag_a = false;
	}
}