/*

 * 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

 

 * This version modified by thoppe http://www.tomhoppe.com to allow for larger image handling, click navigation, and better ui

 

*/

		  

var tb_pathToImage = "./media/images/ajax-loader.gif";

var x; // horizontal mouse position

var TB_TempArray = [];



//on page load call tb_init

$(document).ready(function(){

	tb_init('a.thumb_link');

	imgLoader = new Image();// preload image

	imgLoader.src = tb_pathToImage;

});



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

	

	if(!$("#TB_window").length) {

	

	try {

		if(document.getElementById("TB_overlay") === null){

			$("body").append("<div id='TB_overlay'></div><div id='TB_logo'></div><div id='TB_window_container'><div id='TB_window'></div></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

		}

		

		$('#TB_overlay, #TB_logo').fadeIn('slow');

		

		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'></span>";

							} else {

								TB_PrevCaption = TB_TempArray[TB_Counter].title;

								TB_PrevURL = TB_TempArray[TB_Counter].href;

								TB_PrevHTML = "<span id='TB_prev'></span>";

							}

						} else {

							TB_FoundURL = true;

							TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);

							// hide image count for 1 photo

							//

							//if(TB_TempArray.length == 1)

							//	TB_imageCount = "";

						}

				}

			}



			imgPreloader = new Image();

			imgPreloader.onload = function(){		

			imgPreloader.onload = null;

			

			var imageWidth = imgPreloader.width;

			var imageHeight = imgPreloader.height;

			

			TB_WIDTH = imageWidth + 20;

			TB_HEIGHT = imageHeight + 20;

			

			captionInsert = "";

			

			if (caption) {captionInsert = "<div id='TB_caption'>" + caption + "</div>";}

			

			$("#TB_window").hide();



			$("#TB_window").append("<div id='TB_secondLine'>" + TB_imageCount + "</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>click to return to thumb nail page</a></div><div id='TB_imageHolder'><img class='TB_Image' id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt=''/></div><div class='navText' id='closeText' style='left:"+(imageWidth+19)+"px'>Close</div><div class='navText' style='left:-59px' id='prevText'>Previous</div><div class='navText' id='nextText' style='left:"+(imageWidth+19)+"px'>Next</div>"+captionInsert); 

			

			//$("#TB_window").css({display:"block"}); //for safari using css instead of show



			$("#TB_closeWindowButton").click(tb_remove);

			

			function goNext(){

					//$("#TB_window").remove();

					//$("body").append("<div id='TB_window'></div>");

					$("#TB_imageHolder").unbind('click');

					$("#TB_imageHolder").unbind('mouseMove');

					

					$(".navText").unbind('click');

					$(".navText").unbind('mouseMove');

					

					tb_change(TB_NextCaption, TB_NextURL, imageGroup);	

					return false;	

				}

				

			function goPrev(){

					$("#TB_imageHolder").unbind('click');

					$("#TB_imageHolder").unbind('mouseMove');

					

					$(".navText").unbind('click');

					$(".navText").unbind('mouseMove');

					

					//if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}

					//$("#TB_window").remove();

					//$("body").append("<div id='TB_window'></div>");

					tb_change(TB_PrevCaption, TB_PrevURL, imageGroup);

					return false;	

				}

				

			function goToImage(e,theObject){

				

				x = e.pageX - theObject.parentNode.offsetLeft - 18;

				pWidth = jQuery(theObject).parent().width();

				

				if (x > (pWidth/2)) {

					if (!(TB_NextHTML == "")) {		

						goNext();

					}

					else {

						tb_remove();	

					}

				}

				else {

					if (!(TB_PrevHTML == "")) {		

						goPrev();

					}

					else {

						if (TB_NextHTML != "") {

							goNext();	

						}

						else {

							tb_remove();	

						}

					}

				}

				

				

			}

			

			function showAction(e,theObject,fade) {

				if (e && theObject) {

					x = e.pageX - theObject.parentNode.offsetLeft - 18;

					pWidth = jQuery(theObject).parent().width();

				}

				if(TB_TempArray.length > 1) {

					if(x) {

						if (fade == 0) {

							if (x > (pWidth/2)) {

								if (!(TB_NextHTML == "")) {		

									$("#nextText").show();

								}

								else {

									$("#closeText").show();

								}

							}

							else {

								if (!(TB_PrevHTML == "")) {		

									$("#prevText").show();	

								}

								else if (!(TB_NextHTML == "")) {		

									$("#nextText").show();

								}

								else {

									$("#closeText").show();

								}				

							}

						}

						else {

							if (x > (pWidth/2)) {

								if (!(TB_NextHTML == "")) {		

									$("#nextText").fadeIn("fast");

									$("#prevText").fadeOut("fast");

									$("#closeText").fadeOut("fast");

								}

								else {

									$("#closeText").fadeIn("fast");

									$("#prevText").fadeOut("fast");	

								}

							}

							else {

								if (!(TB_PrevHTML == "")) {		

									$("#nextText").fadeOut("fast");

									$("#prevText").fadeIn("fast");	

									$("#closeText").fadeOut("fast");

								}

								else {

									$("#nextText").fadeIn("fast");

									$("#closeText").fadeOut("fast");

								}				

							}	

						}

					}

				}

				else {

					if (x) {

						$("#closeText").show();

					}					

				}

				

			}

				

			if ((!(TB_PrevHTML == "")) && (imageGroup)) {

				$("#TB_prev").click(goPrev);

			}

			if ((!(TB_NextHTML == "")) && (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_WIDTH, TB_HEIGHT);

			

			$("#TB_load").hide();

			

			showAction();

			

			$("#TB_imageHolder").click(function(e){goToImage(e,this);});	

			$("#TB_imageHolder").mousemove(function(e){showAction(e,this,0);});

			

			$("#nextText").mousemove(function(e){showAction(e,this,0);});

			$("#nextText").click(function(e){goToImage(e,this);});

			

			$("#prevText").mousemove(function(e){showAction(e,this,0);});

			$("#prevText").click(function(e){goToImage(e,this);});

			

			$("#closeText").mousemove(function(e){showAction(e,this,0);});

			$("#closeText").click(function(e){goToImage(e,this);});	

			

			$("#TB_imageHolder").mouseout(function(e){

				$("#nextText").css({display:"none"});

				$("#prevText").css({display:"none"});

				$("#closeText").css({display:"none"});

			});

			

			$("#TB_window").fadeIn("slow");

			};

			

			imgPreloader.src = url;

		}



		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 tb_change(caption, url, imageGroup) {

	if($("#TB_window").length) {

		

		oHeight = $("#TB_Image").height();

		oWidth = $("#TB_Image").width();

		

		$("#TB_imageHolder").css("width", oWidth);

		$("#TB_imageHolder").css("height", oHeight);

		

		$("#TB_Image").fadeOut("slow");

		$('#TB_load').show();

		

		//reload info

		

		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'></span>";

						} else {

							TB_PrevCaption = TB_TempArray[TB_Counter].title;

							TB_PrevURL = TB_TempArray[TB_Counter].href;

							TB_PrevHTML = "<span id='TB_prev'></span>";

						}

					} else {

						TB_FoundURL = true;

						TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											

					}

				}

			}

			

			if(TB_PrevHTML == "")

				$("#prevText").hide();

			

			if(TB_NextHTML == "") {

				$("#nextText").hide();

				$("#closeText").show();

			}

			

			imgPreloader = new Image();

			imgPreloader.onload = function(){		

				imgPreloader.onload = null;

				

				var imageWidth = imgPreloader.width;

				var imageHeight = imgPreloader.height;

				

				diffW = imageWidth - oWidth;

				diffH = imageHeight - oHeight;

				

				$("#TB_imageHolder").empty();

				

				if(diffW != 0 || diffH != 0) {

					

					if( typeof( window.pageYOffset ) == 'number' ) {

						//Netscape compliant

						scrollTop = window.pageYOffset;

					  } else if( document.body && document.body.scrollTop ) {

						//DOM compliant

						scrollTop = document.body.scrollTop;

					  } else if( document.documentElement && document.documentElement.scrollTop ) {

						//IE6 standards compliant mode

						scrollTop = document.documentElement.scrollTop;

					  } else {

						scrollTop = 20;

					  }

					

					var de = document.documentElement;

					

					new_w = $("#TB_window").width() + diffW;

					new_h = $("#TB_window").height() + diffH;

					new_l = parseInt(new_w / -2,10);

					new_t = parseInt(scrollTop + ((de.clientHeight - new_h) / 2),10);

					//new_l =  parseInt($("#TB_window").css("margin-left"),10) - (diffW / 2);

					//new_t = parseInt($("#TB_window").css("top"),10) - (diffH / 2);

					

					$("#TB_imageHolder").css({

						"width": imageWidth,

						"height": imageHeight

					});

					

					if (de && de.clientWidth < new_w && de.clientHeight < new_h) {

						$("#TB_window").animate({

							"width": new_w,

							"height": new_h,

							"marginLeft": 0,

							"marginRight": 20,

							"left": 20,

							"top": (scrollTop + 20)

						}, {

							duration: "normal",

							complete: showPhoto

						});

					}

					else if (de&&de.clientWidth < new_w) {

						$("#TB_window").animate({

							"width": new_w,

							"height": new_h,

							"marginLeft": 0,

							"marginRight": 20,

							"left": 20,

							"top": new_t

						}, {

							duration: "normal",

							complete: showPhoto

						});

					}

					else if (de&&de.clientHeight < new_h) {

						$("#TB_window").animate({

							"width": new_w,

							"height": new_h,

							"marginLeft": new_l,

							"marginRight": 0,

							"left": '50%',

							"top": (scrollTop + 20)

						}, {

							duration: "normal",

							complete: showPhoto

						});

					}

					else {

						$("#TB_window").animate({

							"width": new_w,

							"height": new_h,

							"marginLeft": new_l,

							"marginRight": 0,

							"left": '50%',

							"top": new_t

						}, {

							duration: "normal",

							complete: showPhoto

						});

					}

					

					$("#nextText, #closeText").animate({

						"left": (imageWidth + 20)

					});

				} else {

					showPhoto();

				}

				

				function showPhoto() {

					$("#TB_load").hide();

					

					$("#TB_secondLine").empty().text(TB_imageCount);

					

					$("#TB_imageHolder").append("<img class='TB_Image' id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/ style='display: none'>");

					$("#TB_Image").hide();

					$("#TB_Image").fadeIn("slow");

					

					if ((!(TB_PrevHTML == "")) && (imageGroup)) {

						$("#TB_prev").click(goPrev);

					}

					if ((!(TB_NextHTML == "")) && (imageGroup)) {		

						$("#TB_next").click(goNext);

					}

					

					$("#TB_imageHolder").click(function(e){goToImage(e,this);});	

					$("#TB_imageHolder").mousemove(function(e){showAction(e,this,0);});

					

					$("#nextText").mousemove(function(e){showAction(e,this,0);});

					$("#nextText").click(function(e){goToImage(e,this);});

					

					$("#prevText").mousemove(function(e){showAction(e,this,0);});

					$("#prevText").click(function(e){goToImage(e,this);});

					

					$("#closeText").mousemove(function(e){showAction(e,this,0);});

					$("#closeText").click(function(e){goToImage(e,this);});

					

				}

				

				function goNext(){

					$("#TB_imageHolder").unbind('click');

					$("#TB_imageHolder").unbind('mouseMove');

					

					$(".navText").unbind('click');

					$(".navText").unbind('mouseMove');

					

					tb_change(TB_NextCaption, TB_NextURL, imageGroup);	

					return false;	

				}

				

				function goPrev(){

					$("#TB_imageHolder").unbind('click');

					$("#TB_imageHolder").unbind('mouseMove');

					

					$(".navText").unbind('click');

					$(".navText").unbind('mouseMove');

					

					tb_change(TB_PrevCaption, TB_PrevURL, imageGroup);

					return false;	

				}

					

				function goToImage(e,theObject){

	

					x = e.pageX - $(theObject).parent().offset().left;

					pWidth = $(theObject).parent().width();

					

					if (x > (pWidth/2)) {

						if (!(TB_NextHTML == "")) {		

							goNext();

						}

						else {

							tb_remove();	

						}

					}

					else {

						if (!(TB_PrevHTML == "")) {		

							goPrev();

						}

						else {

							if (TB_NextHTML != "") {

								goNext();	

							}

							else {

								tb_remove();	

							}

						}

					}

					

					

				}

				

				function showAction(e,theObject,fade) {

					if (e && theObject) {

						x = e.pageX - $(theObject).parent().offset().left;

						pWidth = $(theObject).parent().width();

					}

					if(imageGroup) {

						if(x) {

							if (fade == 0) {

								if (x > (pWidth/2)) {

									if (!(TB_NextHTML == "")) {		

										$("#nextText").show();

										$("#prevText").hide();

										$("#closeText").hide();

									}

									else {

										$("#closeText").show();

										$("#prevText").hide();

										$("#nextText").hide();

									}

								}

								else {

									if (!(TB_PrevHTML == "")) {		

										$("#prevText").show();

										$("#nextText").hide();

										$("#closeText").hide();	

									}

									else if (!(TB_NextHTML == "")) {		

										$("#nextText").show();

										$("#prevText").hide();

										$("#closeText").hide();

									}

									else {

										$("#closeText").show();

										$("#prevText").hide();

										$("#nextTest").hide();

									}					

								}	

							}

							else {

								if (x > (pWidth/2)) {

									if (!(TB_NextHTML == "")) {		

										$("#nextText").fadeIn("fast");

										$("#prevText").fadeOut("fast");

										$("#closeText").fadeOut("fast");

									}

									else {

										$("#closeText").fadeIn("fast");

										$("#prevText").fadeOut("fast");	

									}

								}

								else {

									if (!(TB_PrevHTML == "")) {		

										$("#nextText").fadeOut("fast");

										$("#prevText").fadeIn("fast");	

										$("#closeText").fadeOut("fast");

									}

									else {

										$("#nextText").fadeIn("fast");

										$("#closeText").fadeOut("fast");

									}				

								}	

							}

						}

					}

				}

				

			}

			

			imgPreloader.src = url;

			

		}

	}

}



//helper functions below



function tb_remove() {

 	$("#TB_imageOff").unbind("click");

	$("#TB_closeWindowButton").unbind("click");

	$("#TB_window,#TB_overlay,#TB_logo").fadeOut("slow",function(){$('#TB_window_container,#TB_overlay,#TB_HideSelect,#TB_logo').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(Width, Height) {

	var de = document.documentElement;

	

	if( typeof( window.pageYOffset ) == 'number' ) {

		//Netscape compliant

		scrollTop = window.pageYOffset;

	  } else if( document.body && document.body.scrollTop ) {

		//DOM compliant

		scrollTop = document.body.scrollTop;

	  } else if( document.documentElement && document.documentElement.scrollTop ) {

		//IE6 standards compliant mode

		scrollTop = document.documentElement.scrollTop;

	  } else {

	  	scrollTop = 20;

	  }

	

	if (de && de.clientWidth < Width && de.clientHeight < Height) {

		$("#TB_window").css({left: '20px', width: Width + 'px', marginRight:'20px'});

		$("#TB_window").css({top: (scrollTop + 20) + 'px'});

	}

	else if (de&&de.clientWidth < Width) {

		$("#TB_window").css({left: '20px', width: Width + 'px', marginRight:'20px'});

		$("#TB_window").css({top: parseInt(scrollTop + ((de.clientHeight - Height) / 2),10) + 'px'});

	}

	else if (de&&de.clientHeight < Height) {

		$("#TB_window").css({marginLeft: '-' + parseInt((Width / 2),10) + 'px', width: Width + 'px'});

		$("#TB_window").css({top: (scrollTop + 20) + 'px'});

	}

	else {

		$("#TB_window").css({marginLeft: '-' + parseInt((Width / 2),10) + 'px', width: Width + 'px'});

		$("#TB_window").css({top: parseInt(scrollTop + ((de.clientHeight - 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;

  }

}






