/*
 * Thickbox 2.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2006 cody lindley
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 * Thickbox is built on top of the very light weight jQuery library.
 */



// Cache Ajax pages
var TB_ajaxCache = new Array();

// Store the size parameters for resizing
var TB_WIDTH = 0;
var TB_HEIGHT = 0;
var TB_WIDTH_PARAM = 0;
var TB_HEIGHT_PARAM = 0;
var TB_PAGESIZE = new Array(0, 0);

// Store the scroll position and overflow values so they can be reset after the scrollbars are hidden
var TB_SCROLL = new Array(0, 0);
var TB_HTML_OVERFLOW = "auto";
var TB_BODY_OVERFLOW = "auto";
var TB_MARGIN_LEFT = 0;
var TB_MARGIN_TOP = 0;

//on page load call TB_init
$(document).ready(TB_init);

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
	
	$("a.thickbox").click(function(){
	var t = this.title || this.name || null;
	var g = this.rel || false;
	TB_show(t,this.href,g);
	this.blur();
	return false;
	});
	
	$("form.thickbox").submit(function(){
	var t = this.title || this.name || null;
	var g = this.rel || false;
	var h = this.action + (this.action.indexOf("?") > -1 ? "&" : "?") + "TB_iframe=true&TB_form=true";
	TB_show(t,h,g);
	this.blur();
	return true;
	}).attr("target", "TB_iframeContent");
	
}

function TB_show(caption, url, imageGroup, changingImage) {//function called when the user clicks on a thickbox link
	
	if (!changingImage) {
		TB_SCROLL = TB_getPageScrollTop();
		TB_HTML_OVERFLOW = $("html").css("overflow");
		TB_BODY_OVERFLOW = $("body").css("overflow");
		$("html").css("overflow", "hidden");
		$("body").css("overflow", "hidden");
		if ($.browser.mozilla) {
			TB_MARGIN_LEFT = $("body").css("margin-left").replace(/px/, "");
			TB_MARGIN_TOP = $("body").css("margin-top").replace(/px/, "");
			$("body").css("margin-left", TB_MARGIN_LEFT - TB_SCROLL[0]);
			$("body").css("margin-top", TB_MARGIN_TOP - TB_SCROLL[1]);
		}
	}
	
	try {
		if (document.getElementById("TB_HideSelect") == null) {
		$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
		}
		
		if(caption==null){caption=""};
		
		$(window).scroll(TB_position);
 		
		TB_overlaySize();
		
		$("body").append("<div id='TB_load'><img src='http://www.marcusjohne.com/see/imgs/loading.jpg' /></div>");
		TB_load_position();
		
		
		
	   if(url.indexOf("?")!==-1){ //If there is a query string involved
			var baseURL = url.substr(0, url.indexOf("?"));
	   }else{ 
	   		var baseURL = url;
	   }
	   var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.bmp/g;
	   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 = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											
						}
				}
			}

			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 + 30;
			TB_HEIGHT = imageHeight + 60;
			TB_WIDTH_PARAM = TB_WIDTH;
			TB_HEIGHT_PARAM = TB_HEIGHT;
			$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div>"); 		
			
			$("#TB_closeWindowButton").click(TB_remove);
			
			if (!(TB_PrevHTML == "")) {
				function goPrev(){
					if($(document).unclick(goPrev)){$(document).unclick(goPrev)};
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					TB_show(TB_PrevCaption, TB_PrevURL, imageGroup, true);
					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, true);
					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
			}
	  
			imgPreloader.src = url;
		}else{//code to show html pages
			
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = TB_parseQuery( queryString );
			
			TB_WIDTH_PARAM = params['width'];
			TB_HEIGHT_PARAM = params['height'];
			TB_WIDTH = TB_calculateSize(TB_WIDTH_PARAM, 0);
			TB_HEIGHT = TB_calculateSize(TB_HEIGHT_PARAM, 1);
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;
			
			if(url.indexOf('TB_iframe') != -1){
					urlNoQuery = (url.indexOf('TB_form') != -1) ? "about:blank" : url.split('TB_')[0];
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>[X] Close Project</a></div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery+"' id='TB_iframeContent' name='TB_iframeContent' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='TB_showIframe()'> </iframe>");
				}else{
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>[X] Close Project</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
			}
					
			$("#TB_closeWindowButton").click(TB_remove);
			
				if(url.indexOf('TB_inline') != -1){	
					$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
					TB_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				}else if(url.indexOf('TB_iframe') != -1){
					TB_position();
					if(frames['TB_iframeContent'] == undefined){//be nice to safari
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"});
						$(document).keyup( function(e){ var key = e.keyCode; if(key == 27){TB_remove()} });
					}
				}else{
					// DJM:
					var cache = (url.indexOf('TB_cache') != -1);
					if (cache && TB_ajaxCache[url]) {
						// Load from cache
						$("#TB_ajaxContent").html(TB_ajaxCache[url]);
						TB_position();
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"}); 
					} else {
						// Load from URL & store in cache
						$("#TB_ajaxContent").load(url, function(){
							TB_position();
							$("#TB_load").remove();
							$("#TB_window").css({display:"block"}); 
							if (cache) {
								TB_ajaxCache[url] = $("#TB_ajaxContent").html();
							}
						});
					}
				}
			
		}
		
		TB_PAGESIZE = TB_getPageSize();
		$(window).resize(TB_resize);
		
		document.onkeyup = function(e){ 	
			if (e == null) { // ie
				keycode = event.keyCode;
			} else { // mozilla
				keycode = e.which;
			}
			if(keycode == 27){ // close
				TB_remove();
			}	
		}
		
	} catch(e) {
		alert( e );
	}
}

//helper functions below

function TB_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function TB_remove() {
 	$("#TB_imageOff").unbind();
	$("#TB_overlay").unbind();
	$("#TB_closeWindowButton").unbind();
	$("#TB_window").fadeOut("fast",function(){
		$('#TB_window,#TB_overlay,#TB_HideSelect').remove();
		$("html").css("overflow", TB_HTML_OVERFLOW);
		$("body").css("overflow", TB_BODY_OVERFLOW);
		if ($.browser.safari) {
			if (TB_SCROLL[0] == 0 && TB_SCROLL[1] == 0) {
				window.scrollTo(1, 1);
			} else {
				window.scrollTo(0, 0);
			}
		}
		if ($.browser.mozilla) {
			$("body").css("margin-left", TB_MARGIN_LEFT);
			$("body").css("margin-top", TB_MARGIN_TOP);
		}
		window.scrollTo(TB_SCROLL[0], TB_SCROLL[1]);
	});
	$("#TB_load").remove();
	return false;
}

function TB_position() {
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();	
	var bordersize = 0; // Doesn't work in FF2: $("#TB_window").css("border-width");
	$("#TB_window").css({width:TB_WIDTH+"px",left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2 - bordersize)+"px", top: (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2 - bordersize)+"px" });
}

function TB_overlaySize(){
	if (window.innerHeight && window.scrollMaxY || window.innerWidth && window.scrollMaxX) {	
		yScroll = window.innerHeight + window.scrollMaxY;
		xScroll = window.innerWidth + window.scrollMaxX;
		var deff = document.documentElement;
		var wff = (deff&&deff.clientWidth) || document.body.clientWidth || window.innerWidth || self.innerWidth;
		var hff = (deff&&deff.clientHeight) || document.body.clientHeight || window.innerHeight || self.innerHeight;
		xScroll -= (window.innerWidth - wff);
		yScroll -= (window.innerHeight - hff);
	} else if (document.body.scrollHeight > document.body.offsetHeight || document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
		xScroll = document.body.scrollWidth;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
		xScroll = document.body.offsetWidth;
  	}
	$("#TB_overlay").css({"height":yScroll +"px", "width":xScroll +"px"});
	$("#TB_HideSelect").css({"height":yScroll +"px","width":xScroll +"px"});
}

function TB_load_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();
	$("#TB_load")
	.css({left: (arrayPageScroll[0] + (pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
	.css({display:"block"});
}

function TB_parseQuery ( query ) {
   var Params = new Object ();
   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_getPageScrollTop(){
	var yScrolltop;
	var xScrollleft;
	if (self.pageYOffset || self.pageXOffset) {
		yScrolltop = self.pageYOffset;
		xScrollleft = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
		xScrollleft = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
		xScrollleft = document.body.scrollLeft;
	}
	arrayPageScroll = new Array(xScrollleft,yScrolltop) 
	return arrayPageScroll;
}

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 = new Array(w,h) 
	return arrayPageSize;
}

// Added by Dave Miller (Dave-Miller.com):
function TB_calculateSize(size, dimension) {
	var bordersize = 0;
	size = size.toString()
	if (size.substring(size.length - 1) == "%") {
		
		// Percentage
		size = size.substring(0, size.length - 1);
		var pagesize = TB_getPageSize();
		return pagesize[dimension]*size/100 - bordersize*2;
		
	} else if (size < 0) {
		
		// Window Size Minus ...
		var pagesize = TB_getPageSize();
		return pagesize[dimension] + size*1 - bordersize*2;
		
	} else {
		
		// Normal
		var add = (dimension == 1 ? 40 : 30);
		return size*1 + add
		
	}
}

function TB_resize() {
	
	// Calculate the new sizes
	TB_NEW_PAGESIZE = TB_getPageSize()
	TB_WIDTH = TB_calculateSize(TB_WIDTH_PARAM, 0);
	TB_HEIGHT = TB_calculateSize(TB_HEIGHT_PARAM, 1);
	ajaxContentW = TB_WIDTH - 30;
	ajaxContentH = TB_HEIGHT - 45;
	
	// Do nothing if the size hasn't changed
	if (TB_NEW_PAGESIZE[0] == TB_PAGESIZE[0] && TB_NEW_PAGESIZE[1] == TB_PAGESIZE[1]) {
		return;
	} else if (TB_NEW_PAGESIZE[0] == TB_PAGESIZE[0] && TB_NEW_PAGESIZE[1] == TB_PAGESIZE[1] + 1) {
		// I haven't figured out why but quite often this gets called without any resizing with TB_HEIGHT greater by 1px in FF2
		// This solution is not ideal but I don't know what else to do about it -DJM
		TB_overlaySize();
		TB_PAGESIZE = TB_NEW_PAGESIZE;
		return;
	}
	
	TB_PAGESIZE = TB_NEW_PAGESIZE;
	
	// Hide everything briefly so that the document goes back to its natural size
	// Otherwise it will still be equal to at least the old overlay size!
	$("#TB_overlay").hide();
	$("#TB_window").hide();
	$("#TB_HideSelect").hide();
	
	// Put the overlay back first so the flicker is slightly less noticable
	TB_overlaySize();
	$("#TB_overlay").show();
	
	// Set the new content sizes and positions
	$("#TB_iframeContent").css({"width": (ajaxContentW + 29) + "px", "height": (ajaxContentH + 17) + "px"});
	$("#TB_ajaxContent").css({"width": ajaxContentW + "px", "height": ajaxContentH + "px"});
	TB_position();
	
	// Put them back
	$("#TB_window").show();
	$("#TB_HideSelect").show();
	
}