/*
 * 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 = "/images/loadingAnimation.gif";
var x; // horizontal mouse position

//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){

    $.browser.enable_automatic_image_resizing = false

    $(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(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'><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'>&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 = "&nbsp;&nbsp;Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											
						}
				}
			}

			imgPreloader = new Image();
			imgPreloader.onload = function () {
			    imgPreloader.onload = null;

			    var imageWidth = imgPreloader.width;
			    var imageHeight = imgPreloader.height;

			    TB_WIDTH = imageWidth + 34;
			    TB_HEIGHT = imageHeight + 60;

////////////			    alert(TB_WIDTH);
////////////			    alert(TB_HEIGHT);

////////////                BROWSER HAS AUTOMATIC IMAGE RESIZING WHICH WONT TURN OFF IN CODE!!

			    captionInsert = "";

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

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

			    $("#TB_window").append("<div id='TB_secondLine'>" + TB_PrevHTML + TB_imageCount + TB_NextHTML + "</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>Esc or Click to Close <img alt='close' src='/assets/images/close.png' /></a></div><img class='TB_Image' id='TB_Image' src='" + url + "' width='" + imageWidth + "' height='" + imageHeight + "' alt='" + caption + "'/><div class='navText' id='closeText' style='left:" + (imageWidth - 58) + "px'>Close</div><div class='navText' id='prevText'>Previous</div><div class='navText' id='nextText' style='left:" + (imageWidth - 58) + "px'>Next</div>" + captionInsert);

			    //-- KW : Add in no right click jquery --
			    $("#TB_window").append("<script type='text/javascript'>$(document).ready(function () {$('img').bind('contextmenu', function (e) {return false;});});</script>");
			    //---------------------------------------

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

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

			    function goNext() {
			        $("#TB_window").remove();
			        $("body").append("<div id='TB_window'></div>");
			        tb_show(TB_NextCaption, TB_NextURL, imageGroup);
			        return false;
			    }

			    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;
			    }

			    function goToImage(e, theObject) {

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

			        if (x > (imageWidth / 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;
			        }
			        if (imageGroup) {
			            if (x) {
			                if (fade == 0) {
			                    if (x > (imageWidth / 2)) {
			                        if (!(TB_NextHTML == "")) {
			                            $("#nextText").show();
			                        }
			                        else {
			                            $("#closeText").show();
			                        }
			                    }
			                    else {
			                        if (!(TB_PrevHTML == "")) {
			                            $("#prevText").show();
			                        }
			                        else {
			                            $("#nextText").show();
			                        }
			                    }
			                }
			                else {
			                    if (x > (imageWidth / 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");
			                        }
			                    }
			                }
			            }
			        }
			        /* commenting out in case I want to edit back
			        else {
			        if (x) {
			        $("#closeText").fadeIn("fast");
			        }					
			        }
			        */

			    }

			    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_load").remove();

			    showAction();

			    $("#TB_Image").click(function (e) { goToImage(e, this); });
			    $("#TB_Image").mousemove(function (e) { showAction(e, this); });

			    $("#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_Image").mouseout(function (e) { $("#nextText").css({ display: "none" }); $("#prevText").css({ display: "none" }); $("#closeText").css({ display: "none" }); });

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

//helper functions below

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() {
    var de = document.documentElement;
    if (de&&de.clientWidth < TB_WIDTH) {
	    $("#TB_window").css({left: '20px', width: TB_WIDTH + 'px', marginRight:'20px'});
    }
    else {
	    $("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
    }

    if (de&&de.clientHeight < TB_HEIGHT) {
	    $("#TB_window").css({top: (document.documentElement.scrollTop + 20) + 'px'});
    }
    else {
	    $("#TB_window").css({top: parseInt(document.documentElement.scrollTop + ((de.clientHeight - TB_HEIGHT) / 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;
    }
}