/*
 * 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 = "/i/loading.gif";

//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() {
	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 called when the user clicks on a thickbox link
function tb_show (caption, url, imageGroup) {
	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'></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 (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 = "<div id='TB_next'><a href='#' title='вперед &gt;'></a></div>";
						}
						else {
							TB_PrevCaption = TB_TempArray[TB_Counter].title;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = "<div id='TB_prev'><a href='#' title='&lt; назад'></a></div>";
						}
					}
					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
			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 + 96;
			TB_HEIGHT = imageHeight + 60;
			$("#TB_window").append("<div class='container'><a href='' id='TB_ImageOff' title='Закрыть'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a></div><div id='TB_links'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>Закрыть</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_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					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);				
					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
			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', width: TB_WIDTH + '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;
}