/* Heavily modified thickbox functionality by Exact */
/* Version 1.0.6 @ 2009.03.02 */

//on page load call tb_init
$(document).ready(function(){
	tb_init('a.thickbox, area.thickbox, input.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 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
			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'></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_PrevHTML = "<a href='#' id='TB_prev'></a>";
				TB_NextHTML = "<a href='#' id='TB_next'></a>";
				TB_TempArray = $("a[@rel="+imageGroup+"]").get();
				for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextURL === "")); TB_Counter++) {
					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
					if (!(TB_TempArray[TB_Counter].href == url)) {
						if (!TB_FoundURL) {
							TB_PrevCaption = TB_TempArray[TB_Counter].title;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
						} else {
							TB_NextCaption = TB_TempArray[TB_Counter].title;
							TB_NextURL = TB_TempArray[TB_Counter].href;
						}
					} else {
						TB_FoundURL = true;
						TB_imageCount = "<span id='TB_imgcount'>"+(TB_Counter + 1) +" / "+ (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] - 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;
				TB_HEIGHT = imageHeight;

				// Fixing small images - original by me :)
				var placeholderInject = '';
				var x2 = 200;
				var y2 = 200;
				var z = '';
				if(imageWidth < x2){
					TB_WIDTH = x2;
					z += ' padding-left: ' + (x2-imageWidth)/2 + 'px;';
					z += ' padding-right: ' + (x2-imageWidth)/2 + 'px;';
				}
				if (imageHeight < y2){
					TB_HEIGHT = y2;
					z += ' padding-top: ' + (y2-imageHeight)/2 + 'px;';
					z += ' padding-bottom: ' + (y2-imageHeight)/2 + 'px;';
				}
				placeholderInject = ' style="'+z+'"';


				var createwindow = ''
				createwindow += "<div id='TB_container1'>";
				createwindow += "<div id='TB_header'>";
				createwindow += "<a href='#' id='TB_closeWindowButton'></a>";
				createwindow +=	TB_PrevHTML;
				createwindow +=	TB_NextHTML;
				createwindow +=	TB_imageCount;
				createwindow += "</div>";
				createwindow += "<div id='TB_body'><div id='TB_body_a'><div id='TB_body_b'>";
				createwindow += "	<div id='TB_content_placeholder'"+placeholderInject+"><a href='' id='TB_ImageOff'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt=''/></a></div>";
				if(caption !== ""){ createwindow += "	<div id='TB_caption'><div id='TB_caption_a'><div id='TB_caption_b'>"+caption+"</div></div></div>"; }
				createwindow += "</div></div></div>";
				createwindow += "</div>";

				$("#TB_window").append(createwindow);
				$("#TB_closeWindowButton").click(function(){ tb_remove(); return false; });

				if (!(TB_PrevURL === "")) {
					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(function(){
						goPrev();
						return false;
					});
				} else {
					$("#TB_prev").addClass('TB_disabled').click(function(){ return false; });
				}
				if (!(TB_NextURL === "")) {
					function goNext(){
						$("#TB_window").remove();
						$("body").append("<div id='TB_window'></div>");
						tb_show(TB_NextCaption, TB_NextURL, imageGroup);
						return false;
					}
					$("#TB_next").click(function(){
						goNext();
						return false;
					});
				} else {
					$("#TB_next").addClass('TB_disabled').click(function(){ return false; });
				}
				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_PrevURL == "")){
							document.onkeydown = "";
							goPrev();
						}
					}
				};
				$("#TB_load").remove();
				$("#TB_ImageOff").click(tb_remove);
				tb_position('img');
			};
			imgPreloader.src = url;
		} else {
			//code to show html

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

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

			if(url.indexOf('TB_iframe') != -1){
				// either iframe or ajax window
				urlNoQuery = url.split('TB_');
				$("#TB_iframeContent").remove();

				var createwindow = '';

				if (params['modal'] != "true"){
					//iframe no modal
					createwindow += "<div id='TB_container1'>";
					createwindow += "<div id='TB_header'>";
					createwindow += "<a href='#' id='TB_closeWindowButton'></a>";
					if(caption !== ""){ createwindow += "<div id='TB_ajaxWindowTitle'>"+caption+"</div>"; }
					createwindow += "</div>";
					createwindow += "<div id='TB_body'><div id='TB_body_a'><div id='TB_body_b'>";
					createwindow += "	<div id='TB_content_placeholder'><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)+"px;height:"+(ajaxContentH)+"px;' ></iframe></div>";
					createwindow += "</div></div></div>";
					createwindow += "</div>";
				} else {
					//iframe modal
					$("#TB_overlay").unbind();
					createwindow += "<div id='TB_content_placeholder'>";
					createwindow += "<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)+"px;height:"+(ajaxContentH)+"px;'> </iframe>";
					createwindow += "</div>";
				}
				$("#TB_window").append(createwindow);
			} else {
				// not an iframe, ajax

				if ($("#TB_window").css("display") != "block"){
					var createwindow = '';
					if (params['modal'] != "true"){
						//ajax no modal
						createwindow += "<div id='TB_container1'>";
						createwindow += "<div id='TB_header'>";
						createwindow += "<a href='#' id='TB_closeWindowButton'></a>";
						if(caption !== ""){ createwindow += "<div id='TB_ajaxWindowTitle'>"+caption+"</div>"; }
						createwindow += "</div>";
						createwindow += "<div id='TB_body'><div id='TB_body_a'><div id='TB_body_b'>";
						createwindow += "	<div id='TB_content_placeholder'><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div></div>";
						createwindow += "</div></div></div>";
						createwindow += "</div>";
					} else {
						//ajax modal
						$("#TB_overlay").unbind();
						createwindow += "<div id='TB_content_placeholder'>";
						createwindow += "<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>";
						createwindow += "</div>";
					}
					$("#TB_window").append(createwindow);
				} 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
				});
				$("#TB_load").remove();
				tb_position('img');
			} else if (url.indexOf('TB_iframe') != -1){
				if($.browser.safari){//safari needs help because it will not fire iframe onload
					$("#TB_load").remove();
					tb_showIframe();
				}
				tb_position('html');
			} else {
				$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
					$("#TB_load").remove();
					tb_init("#TB_ajaxContent A.thickbox");
				});
				tb_position('img');
			}
		}

		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) {}
}

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

function tb_remove() {
 	$("#TB_ImageOff").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$('#TB_window, #TB_overlay, #TB_HideSelect').trigger("unload").unbind().remove();
	$("#TB_load").remove();
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position(type) {
	$("#TB_header").css({ width: '200px' });
	$("#TB_window").css({ display: 'block', opacity: '0' });
	var tb_tmp01w = $('#TB_window').outerWidth() - $('#TB_content_placeholder').outerWidth() + TB_WIDTH;
	var tb_tmp01h = $('#TB_window').outerHeight() - $('#TB_content_placeholder').outerHeight() + TB_HEIGHT;

	$("#TB_window").css({
		marginRight: '-' + parseInt((tb_tmp01w / 2),10) + 'px',
		width: tb_tmp01w + 'px'
	});
	if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) {
		$("#TB_window").css({ marginTop: '-' + parseInt(($("#TB_window").outerHeight() / 2),10) + 'px' });
	}
	if($('#TB_caption_a').length > 0){
		var tb_tmp02 = $('#TB_caption_a').outerHeight();
		$('#TB_caption_a').css({ height: '1px' }).animate({ height: tb_tmp02 + 'px' },500);
	}
	if(type=='img'){
		$("#TB_window").css({ opacity: '' });
	}
	$("#TB_header").css({ width: 'auto' });
}

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;
  }
}