/*
 * Slightly Thickerbox 1.7
 * By Jason Levine (http://www.jasons-toolbox.com)
 * A modification of Thickbox by Cody Lindley (http://www.codylindley.com)
 * Under an Attribution, Share Alike License
 * Thickbox is built on top of the very light weight jquery library.
 */

//on page load call TB_init
$(document).ready(TB_init);

var TB_NextObjToShow, TB_NextDirection, TB_WIDTH = 0, TB_HEIGHT = 0, TB_VisibleSelects, TB_WasOpen;

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
        $("a.thickbox").click(function(){
                //var t = this.title || this.innerHTML || this.href;
                //TB_show(t,this.href);
                TB_ShowObj(this);
                this.blur();
                return false;
        });
        TB_WasOpen = false;
}

function TB_getPrevObj(ThickObj) {
        var PrevObj = null;
        var url = ThickObj.href;
        var thickgroup = ThickObj.rel;

        if (thickgroup != "") {
                TB_ObjSet = $("a.thickbox[@rel=" + thickgroup + "]")
                TB_ObjSize = TB_ObjSet.size();
                for (var TB_Counter = 0; TB_Counter < TB_ObjSize; TB_Counter++) {
                        if (TB_ObjSet.get(TB_Counter) == url) {
                                TB_Counter = TB_ObjSize + 1;  // Exit out of the loop
                        } else {
                                PrevObj = TB_ObjSet.get(TB_Counter);
                        }
                }
        }

        return PrevObj;
}

function TB_getNextObj(ThickObj) {
        var NextObj = null;
        var url = ThickObj.href;
        var thickgroup = ThickObj.rel;
        var FoundThickObj = 0;

        if (thickgroup != "") {
                TB_ObjSet = $("a.thickbox[@rel=" + thickgroup + "]")
                TB_ObjSize = TB_ObjSet.size();
                for (var TB_Counter = 0; TB_Counter < TB_ObjSize; TB_Counter++) {
                        if (TB_ObjSet.get(TB_Counter) == url) {
                                FoundThickObj = 1;
                        } else {
                                if (FoundThickObj == 1) {
                                        NextObj = TB_ObjSet.get(TB_Counter);
                                        TB_Counter = TB_ObjSize + 1;  // Exit out of the loop
                                }
                        }
                }
        }

        return NextObj;
}


function TB_ShowObj(ThickObj) {
        var caption, url, thickgroup;
        try {
                caption = ThickObj.title || ThickObj.name || "";
                url = ThickObj.href;
                thickgroup = ThickObj.rel;

                if (document.getElementById("TB_overlay") == null) {
                        $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
                        $("#TB_overlay").click(TB_remove);
                }
                $(window).resize(TB_position);
                $(window).scroll(TB_position);

                TB_PrevObj = TB_getPrevObj(ThickObj);
                if (TB_PrevObj != null) {
                        TB_PrevHTML = "";
                } else {
                        TB_PrevHTML = "";
                }
                TB_NextObj = TB_getNextObj(ThickObj);
                if (TB_NextObj != null) {
                        TB_NextHTML = "";
                } else {
                        TB_NextHTML = "";
                }

                //$("#TB_overlay").show();
                $("body").append("<div id='TB_load'><div id='TB_loadContent'><img src='thickerbox/images/circle_animation.gif' /></div></div>");
                var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.mpg|\.mpeg|\.avi|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.txt/g;
                var urlType = url.toLowerCase().match(urlString) + '';
                switch (urlType) {
                        case ".jpg":
                        case ".jpeg":
                        case ".png":
                        case ".gif":
                                var imgPreloader = new Image();
                                imgPreloader.onload = function(){
                                        // Resizing large images added by Christian Montoya
                                        var pagesize = 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 + 60;
                                        TB_HEIGHT = imageHeight + 80;
                                        $("#TB_window").append("<div id='TB_caption'>"+caption+"</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>Chiudi</a></div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ImageDIV'><a href='' id='TB_ImageOff' title='Chiudi'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"' onload='TB_ShowBox();'/></a></div>");

                                        $("#TB_closeWindowButton").click(TB_remove);
                                        if (!(TB_PrevHTML == "")) {
                                                $("#TB_prev").click(function () {
                                                        TB_HideBox("r", TB_PrevObj);
                                                });
                                        }
                                        if (!(TB_NextHTML == "")) {
                                                $("#TB_next").click(function () {
                                                        TB_HideBox("l", TB_NextObj);
                                                });
                                        }
                                        TB_position();
                                        $("#TB_load").remove();
                                        $("#TB_ImageOff").click(TB_remove);
                                }

                                imgPreloader.src = url;
                                break;
                        case ".mpg":
                        case ".mpeg":
                        case ".avi":
                                var queryString = url.replace(/^[^\?]+\??/,'');
                                var params = parseQuery( queryString );
                                TB_WIDTH = (params['width']*1) + 60;
                                TB_HEIGHT = (params['height']*1) + 80;
                                ajaxContentW = TB_WIDTH - 30;
                                ajaxContentH = TB_HEIGHT - 45;
                                $("#TB_window").append("<div id='TB_caption'>"+caption+"</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>Chiudi</a></div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ImageDIV' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'><a href='' id='TB_ImageOff' title='Chiudi'><embed id='TB_Movie' src='" + url + "' autostart='true'></embed></div>");

                                $("#TB_closeWindowButton").click(TB_remove);
                                if (!(TB_PrevHTML == "")) {
                                        $("#TB_prev").click(function () {
                                                TB_HideBox("r", TB_PrevObj);
                                        });
                                }
                                if (!(TB_NextHTML == "")) {
                                        $("#TB_next").click(function () {
                                                TB_HideBox("l", TB_NextObj);
                                        });
                                }
                                TB_position();
                                $("#TB_load").remove();
                                $("#TB_ImageOff").click(TB_remove);
                                TB_ShowBox();
                                break;

                         case ".htm":
                                var queryString = url.replace(/^[^\?]+\??/,'');
                                var params = parseQuery( queryString );

                                TB_WIDTH = (params['width']*1) + 60;
                                TB_HEIGHT = (params['height']*1) + 80;
                                ajaxContentW = TB_WIDTH - 30;
                                ajaxContentH = TB_HEIGHT - 45;
                                //$("#TB_window").append("<div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>Chiudi</a></div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
                                $("#TB_window").append("<div id='TB_closeAjaxWindow'><id='TB_closeWindowButton'>Clicca sulla zona in ombra per riattivare la pagina sottostante</div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div><div id='TB_caption'><b>"+caption+"</b></div>");
                                $("#TB_closeWindowButton").click(TB_remove);
                                $("#TB_ajaxContent").load(url, function(){
                                        TB_position();
                                        $("#TB_load").remove();
                                        if (!(TB_PrevHTML == "")) {
                                                $("#TB_prev").click(function () {
                                                        TB_HideBox("r", TB_PrevObj);
                                                });
                                        }
                                        if (!(TB_NextHTML == "")) {
                                                $("#TB_next").click(function () {
                                                        TB_HideBox("l", TB_NextObj);
                                                });
                                        }
                                        $("#TB_loadContent").show();
                                        TB_ShowBox();
                                });
                                break;

                        default:
                                var queryString = url.replace(/^[^\?]+\??/,'');
                                var params = parseQuery( queryString );

                                TB_WIDTH = (params['width']*1) + 60;
                                TB_HEIGHT = (params['height']*1) + 80;
                                ajaxContentW = TB_WIDTH - 30;
                                ajaxContentH = TB_HEIGHT - 45;
                                //$("#TB_window").append("<div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>Chiudi</a></div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
                                $("#TB_window").append("<div id='TB_closeAjaxWindow'><id='TB_closeWindowButton'>Clicca sulla zona in ombra per riattivare la pagina sottostante</div><div id='TB_SecondLine'>" + TB_PrevHTML + TB_NextHTML + "</div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
                                $("#TB_closeWindowButton").click(TB_remove);
                                $("#TB_ajaxContent").load(url, function(){
                                        TB_position();
                                        $("#TB_load").remove();
                                        if (!(TB_PrevHTML == "")) {
                                                $("#TB_prev").click(function () {
                                                        TB_HideBox("r", TB_PrevObj);
                                                });
                                        }
                                        if (!(TB_NextHTML == "")) {
                                                $("#TB_next").click(function () {
                                                        TB_HideBox("l", TB_NextObj);
                                                });
                                        }
                                        $("#TB_loadContent").show();
                                        TB_ShowBox();
                                });
                                break;
                }
        } catch(e) {
                alert( e );
        }
}

function TB_ShowBox(Direction) {
        $("#TB_overlay").show();
        TB_VisibleSelects = $("select:visible");
        TB_VisibleSelects.toggle();
        if ($().DropInLeft != undefined) {
                // Interface Elements for JQuery are included
                if (Direction == undefined) {
                        if (TB_NextDirection == undefined) {
                                Direction = "l";
                        } else {
                                Direction = TB_NextDirection;
                        }
                }
                if (TB_WasOpen) {
                        if (Direction.toLowerCase() == "r") {
                                $("#TB_window").DropInRight(250);
                        } else {
                                $("#TB_window").DropInLeft(250);
                        }
                } else {
                        $("#TB_window").Grow(150);
                        TB_WasOpen = true;
                }
        } else {
                // Interface Elements for JQuery are not included
                $("#TB_overlay").show();
                $("#TB_window").slideDown("normal");
                TB_WasOpen = true;
        }
}

function TB_AnimationComplete() {
//                $("#TB_overlay").show();
                $("#TB_window").fxReset();
}

function TB_HideBox(Direction, LocalNextObjToShow) {
        TB_NextObjToShow = LocalNextObjToShow;
        if ($().DropOutRight != undefined) {
                // Interface Elements for JQuery are included
                if (Direction == undefined) {
                        Direction = "l";
                }
                TB_NextDirection = Direction;
                if (Direction.toLowerCase() == "r") {
                        $("#TB_window").DropOutLeft(250, function() {
                                TB_HideBox_Part2();
                        });
                } else {
                        $("#TB_window").DropOutRight(250, function() {
                                TB_HideBox_Part2();
                        });
                }
        } else {
                // Interface Elements for JQuery are not included
                $("#TB_window").slideUp("slow");
                TB_HideBox_Part2();
        }
}

function TB_HideBox_Part2() {
        $("#TB_load").remove();
        $("#TB_window").remove();
        $("body").append("<div id='TB_window'></div>");
        TB_ShowObj(TB_NextObjToShow);
}

//helper functions below

function TB_remove() {
        if ($().Shrink != undefined) {
                // Interface Elements for JQuery are included
                //$("#TB_window").Fold(500, 20, function() {
                //        $('#TB_window,#TB_overlay').remove();
                //        $("#TB_load").remove();
                //        TB_VisibleSelects.toggle();
                //        TB_WasOpen = false;
                //        return false;
                //});
                $("#TB_window").Shrink(500, function() {
                        $('#TB_window,#TB_overlay').remove();
                        $("#TB_load").remove();
                        TB_VisibleSelects.toggle();
                        TB_WasOpen = false;
                        return false;
                });
        } else {
                // Interface Elements for JQuery are not included
                $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay').remove();});
                $("#TB_load").remove();
                TB_VisibleSelects.toggle();
                TB_WasOpen = false;
                return false;

        TB_WasOpen = false;
        alert(TB_WasOpen);
        }
}

function TB_position() {
        var pagesize = getPageSize();

          if (window.innerHeight && window.scrollMaxY) {
                yScroll = window.innerHeight + window.scrollMaxY;
        } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
                yScroll = document.body.scrollHeight;
        } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
                yScroll = document.body.offsetHeight;
          }

        var arrayPageScroll = getPageScrollTop();

        $("#TB_window").css({width:TB_WIDTH+"px",height:TB_HEIGHT+"px",
        left: ((pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px" });
        $("#TB_overlay").css("height",yScroll +"px");

}

function 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 getPageScrollTop(){
        var yScrolltop;
        if (self.pageYOffset) {
                yScrolltop = self.pageYOffset;
        } else if (document.documentElement && document.documentElement.scrollTop){         // Explorer 6 Strict
                yScrolltop = document.documentElement.scrollTop;
        } else if (document.body) {// all other Explorers
                yScrolltop = document.body.scrollTop;
        }
        arrayPageScroll = new Array('',yScrolltop)
        return arrayPageScroll;
}

function 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;
}