/*
 * 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.
 */


var homepath = $('base').href.substr(0, $('base').href.lastIndexOf("/")) ;

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
    if (!document.getElementsByTagName){ return; }
    var anchors = document.getElementsByTagName('a');

    // loop through all anchor tags
    for (var i=0; i<anchors.length; i++){
        var anchor = anchors[i];
        
        var cname = String(anchor.className);
        
        // use the string.match() method to catch 'lightbox' references in the rel attribute
        if (anchor.getAttribute('href') && (cname.toLowerCase().match('thickbox'))){
            anchor.onclick = function(){
                var t = this.title || this.name || null;
                var g = this.rel || false;
                TB_show(t,this.href,g);
                this.blur();
                return false;
            }
        }
    }
}

function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
    try {
        var objBody = document.getElementsByTagName("body").item(0);
        if ($("TB_HideSelect") == null) {
            var objHideSelect = document.createElement("iframe");
            objHideSelect.setAttribute('id','TB_HideSelect');
            objBody.appendChild(objHideSelect);
            var objOverlay = document.createElement("div");
            objOverlay.setAttribute('id','TB_overlay');
            objOverlay.onclick = TB_remove;
            objBody.appendChild(objOverlay);
            var objWindow = document.createElement("div");
            objWindow.setAttribute('id','TB_window');
            objBody.appendChild(objWindow);
        }
        
        if(caption==null){caption=""};

        // $(window).onscroll = TB_position;
         
        TB_overlaySize();
        
        var objLoad = document.createElement("div");
        objLoad.setAttribute('id','TB_load');
        var objLoadingImage = document.createElement("img");
        objLoadingImage.setAttribute('src', homepath + '/images/loading_grey.gif');
        objLoad.appendChild(objLoadingImage);
        objBody.appendChild(objLoad);

        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;
            var objImageOff = document.createElement("a");
            objImageOff.setAttribute('id','TB_ImageOff');
            objImageOff.setAttribute('title','Close');
            var objImage = document.createElement("img");
            objImage.setAttribute('src', url);
            objImage.setAttribute('width', imageWidth);
            objImage.setAttribute('height', imageHeight);
            objImage.setAttribute('alt', objImage);
            objImageOff.appendChild(objImage);
            $("TB_window").appendChild(objImageOff);
            var objCaption = document.createElement("div");
            objCaption.setAttribute('id','TB_caption');
            objCaption.appendChild(document.createTextNode(caption));
            $("TB_window").appendChild(objCaption);
            var objCloseWindow = document.createElement("div");
            objCloseWindow.setAttribute('id','TB_closeWindow');
            var objCloseWindowButton = document.createElement("a");
            objCloseWindowButton.setAttribute('id','TB_closeWindowButton');
            objCloseWindowButton.setAttribute('href',window.location);
            objCloseWindowButton.setAttribute('title','Close');
            objCloseWindowButton.appendChild(document.createTextNode("close"));
            objCloseWindow.appendChild(objCloseWindowButton);
            $("TB_window").appendChild(objCloseWindow);

            $("TB_closeWindowButton").onclick = 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);
                    return false;    
                }
                $("TB_prev").onclick = 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").onclick = 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").onclick = TB_remove;
            $("TB_window").style.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 );
            
            if(!params['width'])  params['width'] = 420;
            if(!params['height'])  params['height'] = 450;
            
            TB_WIDTH = (params['width']*1) + 30;
            TB_HEIGHT = (params['height']*1) + 40;
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT - 45;
            
            // gallery
                    
            
            if(url.indexOf('TB_iframe') != -1){    //if display in iframe
            
                urlNoQuery = url.split('TB_');

                var objTitle = document.createElement("div");
                objTitle.setAttribute('id','TB_title');
                var objAjaxTitle = document.createElement("div");
                objAjaxTitle.setAttribute('id','TB_ajaxWindowTitle');
                objAjaxTitle.appendChild(document.createTextNode(caption));
                objTitle.appendChild(objAjaxTitle);
                var objCloseAjaxWindow = document.createElement("div");
                objCloseAjaxWindow.setAttribute('id','TB_closeAjaxWindow');
                var objCloseWindowButton = document.createElement("a");
                objCloseWindowButton.setAttribute('id','TB_closeWindowButton');
                objCloseWindowButton.setAttribute('href', window.location);
                objCloseWindowButton.setAttribute('title','Close');
                objCloseWindowButton.appendChild(document.createTextNode("close"));
                objCloseAjaxWindow.appendChild(objCloseWindowButton);
                objTitle.appendChild(objCloseAjaxWindow);
                var objCloseWindowButton = document.createElement("a");
                if (imageGroup) {
                var objSecLine = document.createElement("div");
                objSecLine.setAttribute('id', 'TB_secondLine');
                objTitle.appendChild(objSecLine);
                }
                $("TB_window").appendChild(objTitle);

                /*var objIframeContent = document.createElement("iframe");
                objIframeContent.setAttribute('frameborder','0');
                objIframeContent.setAttribute('hspace','0');
                objIframeContent.setAttribute('src', urlNoQuery[0]);
                objIframeContent.setAttribute('id','TB_iframeContent');
                objIframeContent.setAttribute('name','TB_iframeContent');
                objIframeContent.style.width = (ajaxContentW + 29)+"px";
                objIframeContent.style.height = (ajaxContentH + 17)+"px";
                objIframeContent.onload = TB_showIframe;*/
                var objIframeContent = document.createElement("div");
                objIframeContent.setAttribute('id','TB_iframeContent');
                objIframeContent.style.width = ajaxContentW+"px";
                objIframeContent.style.MinHeight = ajaxContentH+"px";
                $("TB_window").appendChild(objIframeContent);
            

            
            

            }else{



                var objTitle = document.createElement("div");
                objTitle.setAttribute('id','TB_title');
                var objAjaxTitle = document.createElement("div");
                objAjaxTitle.setAttribute('id','TB_ajaxWindowTitle');
                objAjaxTitle.appendChild(document.createTextNode(caption));
                objTitle.appendChild(objAjaxTitle);
                var objCloseAjaxWindow = document.createElement("div");
                objCloseAjaxWindow.setAttribute('id','TB_closeAjaxWindow');
                var objCloseWindowButton = document.createElement("a");
                objCloseWindowButton.setAttribute('id','TB_closeWindowButton');
                objCloseWindowButton.setAttribute('href',window.location);
                objCloseWindowButton.appendChild(document.createTextNode("close"));
                objCloseAjaxWindow.appendChild(objCloseWindowButton);
                objTitle.appendChild(objCloseAjaxWindow);
                $("TB_window").appendChild(objTitle);

                var objAjaxContent = document.createElement("div");
                objAjaxContent.setAttribute('id','TB_ajaxContent');
                objAjaxContent.style.width = ajaxContentW+"px";
              //  objAjaxContent.style.MinHeight = ajaxContentH+"px";
                $("TB_window").appendChild(objAjaxContent);
            }
                    
            $("TB_closeWindowButton").onclick = TB_remove;
            
            if(url.indexOf('TB_inline') != -1){    

                            $("TB_ajaxContent").innerHTML = $(params['inlineId']).innerHTML;
                TB_position();
                $("TB_load").remove();
                $("TB_window").style.display = "block";


            }else if(url.indexOf('TB_iframe') != -1){


                //if ( $("TB_secondLine")) $("TB_secondLine").innerHTML = TB_imageCount + TB_PrevHTML + TB_NextHTML ;
                $("TB_iframeContent").innerHTML = "<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent2' name='TB_iframeContent2' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='TB_showIframe()'> </iframe>";
                TB_position();

                if(frames['TB_iframeContent'] == undefined){//be nice to safari
                    $("TB_load").remove();
                    $("TB_window").style.display = "block";
                    $(document).keyup = function(e){ var key = e.keyCode; if(key == 27){TB_remove()} };
                }
            

            }else{
            
            
               new Ajax.Updater($("TB_ajaxContent"), url,
                    {asynchronous:true, evalScripts:true, onComplete:function(){
                    TB_position();
                    $("TB_load").remove();
                    $("TB_window").style.display = "block"; }
                    }
                );

            

            }
            
/*            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);
                    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);
            }*/
        }
        
        $(window).onresize = TB_position;
        
        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(){
    if($("TB_load"))
    $("TB_load").remove();
    $("TB_window").style.display = "block";
}

function TB_remove() {
     if ($("TB_ImageOff")) $("TB_ImageOff").onclick = null;
    $("TB_overlay").onclick = null;
    $("TB_closeWindowButton").onclick = null;
    var options = Object.extend({
    from: $("TB_window").getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) { 
      $("TB_window").remove(); 
       $("TB_overlay").remove();
      $("TB_HideSelect").remove();
    },
    duration: .25}, arguments[1] || {});
    new Effect.Opacity($("TB_window"),options);
    if ($("TB_load")) $("TB_load").remove();
    return false;
}

function TB_position() {
   if($("TB_window")){
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();
    var sty = $("TB_window").style;
    sty.width = TB_WIDTH + "px";
    sty.left = (arrayPageScroll[0] + (pagesize[0]-TB_WIDTH)/2)+"px";
    sty.top = (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2)+"px";
    sty.top = "80px";
    }
}

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;
      }
    var sty = $("TB_overlay").style;
    sty.height = yScroll +"px";


    if(navigator.appName == 'Microsoft Internet Explorer');
        sty.height = '150%';

    sty.width = xScroll +"px";
    sty = $("TB_HideSelect").style;
   // sty.height = yScroll +"px";

}

function TB_load_position() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();
    var sty = $("TB_load").style;
    sty.left = (arrayPageScroll[0] + (pagesize[0] - 100)/2)+"px";
    sty.top = (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px";
    sty.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;
}

function initThickbox() { TB_init(); }
Event.observe(window, 'load', initThickbox, false);