/*
 * 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
 *
 *
 * Modificado por www.itelligent.com.mx, Agosto 2010
 *
 *
 *
*/


$(function(){
    //pass where to apply thickbox
    tb_init('a.thickbox, area.thickbox, input.thickbox');

    // preload css
    var fileref = document.createElement("link")
    fileref.setAttribute("rel", "stylesheet")
    fileref.setAttribute("type", "text/css")
    fileref.setAttribute("href", "scripts/thickbox.css")

    document.getElementsByTagName("head")[0].appendChild(fileref)

    if(document.all) {
        var fileref_ie = document.createElement("link")
        fileref_ie.setAttribute("rel", "stylesheet")
        fileref_ie.setAttribute("type", "text/css")
        fileref_ie.setAttribute("href", "scripts/thickbox_ie.css")

        document.getElementsByTagName("head")[0].appendChild(fileref_ie)
    }
});




//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, onLoad, modal) {
    
    if(!modal) {
        bpage.show();
        $(document).bind('keyup', tb_keyup);
    }

    if(caption === null)
        caption = "";

    if(document.all)
        $('body').append('<iframe id="TB_HideSelect"></iframe>');

    $('body').append($('<div id="TB_window"></div>'))


    var baseURL;

    //ff there is a query string involved
    if(url.indexOf("?")!==-1) {
        baseURL = url.substr(0, url.indexOf("?"));
    } else {
        baseURL = url;
    }

    var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
    //     var urlType = baseURL.toLowerCase().match(urlString);
    var urlType = url.toLowerCase().match(/&\d+$/) ? '.jpg' : '';
    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);                      
                }
            }
        }

        var 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_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> or Esc Key</div>");

            $("#TB_closeWindowButton").click(function () {
                tb_remove(modal)

                return false;
            });

            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_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 || 480; //defaults to 630 if no paramaters were added to URL
        TB_HEIGHT = (params['height']*1) + 40 || 700; //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
                $("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
            }
        }else{// not an iframe, ajax
            if($("#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_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(function () {
            tb_remove(modal)
    
            return false;
        });

        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();
            $("#TB_window").css({display:"block"}); 
        }else if(url.indexOf('TB_iframe') != -1){
            tb_position();
            if($.browser.safari){//safari needs help because it will not fire iframe onload
                $("#TB_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_init("#TB_ajaxContent a.thickbox");
                
                bpage.hideMessage();
                
                $("#TB_window").css({display:"block"});

                if(onLoad) {
                    onLoad();
                }
            });
        }
    }

}


function tb_keyup(e) {
    if (e == null) {                // ie
        keycode = event.keyCode;
    } else {                        // mozilla
        keycode = e.which;
    }
    if(keycode == 27) {             // close
        tb_remove();
    }

    return false;
}

//helper functions below
function tb_showIframe(){
    $("#TB_window").css({display:"block"});
}

function tb_remove(modal) {
    $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");

    $("#TB_window").fadeOut("fast", function(){
        $('#TB_window,#TB_HideSelect').trigger("unload").unbind().remove();

        if(typeof(modal) == "function")
            modal();
        else
            bpage.hide();

    });


//    document.onkeydown = "";

    $(document).unbind('keyup', tb_keyup);

    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;
}

function tb_detectMacXFF() {
    var userAgent = navigator.userAgent.toLowerCase();
    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
        return true;
    }
}