/*
 * 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.
 */

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

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

//function called when the user clicks on a thickbox link
function TB_show(caption, url, imageGroup) {

  try {
    if (document.getElementById("TB_HideSelect") == null) {
        $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
    }
    
    if(caption==null){caption=""};
	
	$(window).scroll(TB_position);
 		
    TB_overlaySize();
		
    $("body").append("<div id='TB_load'><img src='images/loadingAnimation.gif' /></div>");
    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);
		
    //code to show images
    if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){
        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
        
            nome = caption.substring(8, caption.indexOf("</strong>"));
		    offset = nome.length;
		
		    // alert(offset);
		    letter_spacing = (offset>20)? 10*offset : 200;
			
		    TB_WIDTH = imageWidth + letter_spacing; // orig 30
		    // alert(letter_spacing);
		    TB_HEIGHT = imageHeight + 60;
		    captionHeight = imageHeight - 30;
		    $("#TB_window").append("<div><div style='float:left'><a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a></div>" + "<div id='TB_caption' style='margin-top:"+captionHeight+"px'>"+caption+"</div><div style='clear:both' /><div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>Chiudi</a></div>"); 		
			
		    $("#TB_closeWindowButton").click(TB_remove);
			
            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) {keycode = event.keyCode; } // ie
			    else { keycode = e.which; } // mozilla
			
                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").click(TB_remove);
		    $("#TB_window").css({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 );
			
		/* pagina dinamica a schermo intero*/
		var pagesize = TB_getPageSize();
        TB_WIDTH = pagesize[0];
        TB_HEIGHT = pagesize[1];
         
		/*
		TB_WIDTH = (params['width']*1) + 30;
		TB_HEIGHT = (params['height']*1) + 40;
		*/
		ajaxContentW = TB_WIDTH - 30;
		ajaxContentH = TB_HEIGHT - 45;
		
		
			
        if(url.indexOf('TB_iframe') != -1){				
				urlNoQuery = url.split('TB_');		
				$("#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' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='TB_showIframe()'> </iframe>");
        }else{
				$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>Chiudi</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
        }
					
        $("#TB_closeWindowButton").click(TB_remove);
			
        if(url.indexOf('TB_inline') != -1){	
            $("#TB_ajaxContent").html($('#' + params['inlineId']).html());
            TB_position();
            $("#TB_load").remove();
            $("#TB_window").css({display:"block"}); 
        } else if(url.indexOf('TB_iframe') != -1) {
            TB_position();
            if(frames['TB_iframeContent'] == undefined){//be nice to safari
                $("#TB_load").remove();
                $("#TB_window").css({display:"block"});
                $(document).keyup( function(e){ var key = e.keyCode; if(key == 27){TB_remove()} });
            }
        } else {
            $("#TB_ajaxContent").load(url, function(){
                TB_position();
                $("#TB_load").remove();
                $("#TB_window").css({display:"block"}); 
            });
        }
    }
		
    $(window).resize(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(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function TB_remove() {
 	$("#TB_imageOff").unbind("click");
	$("#TB_overlay").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#TB_load").remove();
	return false;
}

function TB_position() {
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();	
	$("#TB_window").css({width:TB_WIDTH+"px",left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2)+"px" });
}

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;
  	}
  	  	
	$("#TB_overlay").css({"height":yScroll +"px", "width":xScroll +"px"});
	$("#TB_HideSelect").css({"height":yScroll +"px","width":xScroll +"px"});
}

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