/*
 * 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 = "http://statics.518.com.tw/img/loadingAnimation.gif";
/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//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 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
		
			$("body","html").css({height: "100%", width: "100%"});
			//$("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(tb_detectMacXFF()){
			if(typeof caption != "undefined" && typeof url != "undefined" && typeof imageGroup != "undefined")$("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			if(typeof caption != "undefined" && typeof url != "undefined" && typeof imageGroup != "undefined")$("#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_PrevHTML = "";
			TB_NextHTML = "";
			TB_PageCaption = "";
			TB_PageURL = "";
			TB_PageHTML = "";
			go_Pre ="";
			go_Next="";
			if(imageGroup){
				TB_TempArray = $("a[rel="+imageGroup+"]").get();
				TB_PrevHTML = "<span id='TB_prev'><a href='javascript:;'>上一張</a></span>";
				go_Pre="<div id='gopre'><span id='TB_prev2'><a href='javascript:;'><em>上一張</em></a></span></div>";
				TB_NextHTML = "<span id='TB_next'><a href='javascript:;'>下一張</a></span>";
				go_Next="<div id='gonext'><span id='TB_next2'><a href='javascript:;'><em>下一張</em></a></span></div>";
				for (TB_Counter = 0;TB_Counter < TB_TempArray.length; TB_Counter++) {
					TB_PageCaption = TB_TempArray[TB_Counter].title;
					TB_PageURL = TB_TempArray[TB_Counter].href;
					if(TB_TempArray[TB_Counter].href == url)
					{
						TB_PageHTML +="<span id='TB_page"+(TB_Counter+1)+"' class='TB_page'><a href='javascript:;' class='ishover'>"+(TB_Counter+1)+"</a></span>";
					}else
					{
						TB_PageHTML +="<span id='TB_page"+(TB_Counter+1)+"' class='TB_page'><a href='javascript:;'>"+(TB_Counter+1)+"</a></span>";
					}
				}
			}
			
			function goPage(p){
				//$("#TB_Image").css({height:'50px',width:'126px'});
				//$("#TB_Image").attr({'src':tb_pathToImage});
				//setTimeout(function (){
				//$("#TB_Image").css({height:'300px',width:'400px'});
				$("#TB_Image").attr({'src':TB_TempArray[p].href,'alt':TB_TempArray[p].title});
				$("#TB_caption p").html(TB_TempArray[p].title);
				$(".TB_page a").attr({'class':''});
				$("#TB_page"+(p+1)+" a").attr({'class':'ishover'});
				return false;
				//},5);
			}
			function goPrev()
			{
				p=parseInt($('#TB_secondLine .ishover').html())-2;
				p=(p < 0) ? 0:p;
				goPage(p);
			}
			function goNext()
			{
				p=parseInt($('#TB_secondLine .ishover').html());
				p=(p > TB_TempArray.length-1 ) ? TB_TempArray.length-1 : p;
				goPage(p);
			}
				
			
			
			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

				document.onkeydown = function(e){
					if (e == null) { // ie
						keycode = event.keyCode;
					} else { // mozilla
						keycode = e.which;
					}
					if(keycode == 27){ // close
						tb_remove();
					}
				};
				
				TB_WIDTH = imageWidth + 150;
				TB_HEIGHT = imageHeight + 60;
				$("#TB_window").append("<div id='tb_pic'><h2 class='phototitle'>圖片</h2>"+go_Pre+"<div style='padding-left:70px;width:"+imageWidth+"px;height:"+imageHeight+"px'><img id='TB_Image' src='"+url+"' alt='"+caption+"' height='"+imageHeight+"px' width='"+imageWidth+"px' /></div>" + go_Next + "<div id='TB_caption'><p>"+caption+"</p><div id='TB_secondLine'>" + TB_PrevHTML + TB_PageHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow' class='x-win-ver2'><a href='javascript:;' id='TB_closeWindowButton' title='Close' ><span>close</span></a><span> or Esc Key</span></div></div>");
				$(".TB_page a").bind("click", function(e){goPage($(this).html()-1);});
				$("#TB_prev").bind('click',function(){goPrev();});
				$("#TB_prev2").bind('click',function(){goPrev();});
				$("#TB_next").bind('click',function(){goNext();});
				$("#TB_next2").bind('click',function(){goNext();});
				$("#TB_closeWindowButton").click(tb_remove);
				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='javascript:;' 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='javascript:;' 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'});
		
		var browserHeight = $(window).height();
		var scroll_top = $(window).scrollTop();
		var topTemp = parseInt(browserHeight)/2 + scroll_top ;
		$("#TB_window").css({top: topTemp + '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;
	}
}
(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)