/*
 * 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://www.yue-you.com/js/loading.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
var tb_cache = {};

//on page load call tb_init
$(document).ready(function(){   
	tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
});

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk){
	$(domChunk).css('visibility','visible')
	$(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
				$("body").append("<iframe src='"+tb_pathToImage+"' id='TB_HideSelect'></iframe><div id='TB_window'></div>");
				//$("#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()){
		  // prev: TB_overlay
			$("#TB_window").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
		  // prev: TB_overlay
			$("#TB_window").addClass("TB_overlayBG");//use background and opacity
		}
		
		if(caption===null){caption="";}
		$("body").append('<div id="TB_load"><img src="'+tb_pathToImage+'" /></div>');//add loader to the page
		
		// note: image show removed from original ThickBox, as this is going to just be used for AJAX content.
		var split_url = url.split(/\?/) 
		var base_url = split_url.shift()
		var queryString = split_url.join('?') //pretty unlikely anyway
		var params = tb_parseQuery( queryString );

        if (params['spinner'] != "false")
            $('#TB_load').show();//show loader

		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;
        TB_IFRAME_WIDTH = 55;
        TB_IFRAME_HEIGHT = 55;
                
		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
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
					TB_IFRAME_HEIGHT = ajaxContentH+25
				}else{//iframe modal
				//$("#TB_overlay").unbind();
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
					TB_IFRAME_HEIGHT = ajaxContentH+25
				}
		}else{// not an iframe, ajax
				if($("#TB_window").css("display") != "block"){
					if(params['modal'] != "true"){//ajax no modal
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
					}else{//ajax modal
					//$("#TB_overlay").unbind();
					$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
					}
					TB_IFRAME_HEIGHT = ajaxContentH+38
				}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{
			//full url used for http fetching, relative one used for cache fetching
			var full_url = tb_reconstructUrlWithoutExtraParams(base_url, params);
			var relative_url = tb_urlWithoutDomain(full_url)
			var post_load = function(response_html){//to do a post change this load method
                tb_position();
                $("#TB_load").remove();
                tb_init("#TB_ajaxContent a.thickbox");
                $("#TB_window").css({display:"block"});
                $("#TB_window .tb_close").click(tb_remove);
                if (!tb_cache[relative_url]) {
                    tb_cache[relative_url] = response_html;
                } 
                tb_shadow_position();
            };
            $("#TB_ajaxContent").load(full_url, post_load);
        }

        var style = params['style'];
        if (style == 'shadow') {
            $("#TB_window").addClass("tb_shadow");

            // HACK: degrade gracefully in older browsers
            if (navigator.appName == "Microsoft Internet Explorer") {
                $("#TB_window").addClass("tb_shadowless");
            } else {
                var userAgent = navigator.userAgent.toLowerCase();
                var idx = userAgent.indexOf("firefox");
                if (idx > -1) {
                    var version = userAgent.substr(idx + 8, 3);
                    if (parseFloat(version) < 3.5) {
                        $("#TB_window").addClass("tb_shadowless");
                    }
                }
            }

            $("#TB_ajaxContent").css("height", "auto");
            $("#TB_ajaxContent").css("overflow", "hidden");
            $("#TB_window").prepend("<div id='tb_shadow_overlay'><div id='tb_shadow_spinner'></div></div><div id='tb_shadow_close'></div>");
            $("#tb_shadow_close").click(tb_remove);
        }

	  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
	}
    return true;
}

//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'});
	$("#TB_HideSelect").css({marginLeft: '-'+parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH+8+'px'});
		if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
			$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
		}
	$('#TB_HideSelect').css('height', TB_IFRAME_HEIGHT+'px')
}

function tb_shadow_position() {
    // reposition shadow box based on dynamic ajax content height
    var tb = $("#TB_window");
    if (!tb.hasClass("tb_shadow")) return;
    if (tb.height() + 60 < $(window).height()) {
        if (!(jQuery.browser.msie && jQuery.browser.version < 7)) {
            var height = $("#TB_ajaxContent").height();
            var offset = height / 2 + 40;
            var margin = ["-", offset, "px"].join("");
            tb.css({"position": "fixed", "top": "50%", marginTop: margin});
        }
    } else {
        tb.css({"position": "absolute", "top": "40px", marginTop: 0});
    }
}

function tb_shadow_spin(spin) {
    if (spin) {
        $("#tb_shadow_overlay").show();
    } else {
        $("#tb_shadow_overlay").hide();
    }
}

function tb_shadow_update(html) {
    $("#TB_ajaxContent").html(html);
}

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;
}
//returns the url
function tb_reconstructUrlWithoutExtraParams(base_url, params) {
    var tb_reserved_params = {'width' : true, 'height' : true, 'style': true, 'spinner': true, 'KeepThis': true, 'modal': true};
    var param_pairs = [];
    for (var k in params){
    	if (!tb_reserved_params[k]) {
            param_pairs.push([escape(k), "=", escape(params[k])].join(''));
    	}
    }
    var qs = param_pairs.join('&');
    if (qs) {
        return [base_url, qs].join('?');
    }
    return base_url;
}
function tb_urlWithoutDomain(url) {
	var s = url.split('/');
	s.shift();
    s.shift();
    s.shift();
    s.unshift('');
    return s.join('/')
}
function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}