//var loadingImage = 'images/loading.gif';

function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}
function getPageSize(){
	
	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

var OLD_SWF = 'test';

function showLightbox(objLink,k)
{ 
//alert(objLink); return;
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	//var objCaption = document.getElementById('lightboxCaption');
	//var objImage = document.getElementById('lightboxImage');
	//var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');	

	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

//alert(objOverlay); return;

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	//objOverlay.style.display = 'block';

//alert(objLink); return;

    //$("#overlay").fadeIn(500);
	$("#overlay").show();

	//posiziona il layer sotto l'swf
	res_lightbox();
	objLightbox.style.width = 971 + 'px';
	//objLightboxDetails.style.width = 971 + 'px';
	//objLightboxDetails.style.height = 20 + 'px';
	//objLightbox.style.background = '#FFFFFF';  
	
	

	$("#lightbox").fadeIn(100);
	
	objLightbox.style.display = "block";
	
	
	
	

var id_flash = "flash_" + objLink.id;
	
	if($('#' + OLD_SWF).size() > 0){ 
		$('#' + OLD_SWF).remove(); 
	}
	
	OLD_SWF = id_flash;
	
	$.ajax({
	  type: "get",	
	  url: "ajax_swf.php",
	  data: "swf="+objLink+"&tumb="+k,
	  cache: false,
	  beforeSend: function(){ 
		$("#lightboxDetails").html('<center><img src="../images/loading.gif" /></center>'); 
		},
	  success: function(result){ 
			$("#lightboxDetails").html(result);
		}
	 });	
	
	return;
	/**/
	
	
	
//alert(id_flash +''+objLink)	
/*
	$('#lightbox').flash({
		//src: 'swf/swf' + swf + '.swf',
		src: objLink,
		width: '971',
		height: '482',
		id: id_flash,
		wmode: 'transparent'
	});
*/
	
	//alert($('#tools').html());

	//$("#lightboxDetails").append($('#tools').html());
	//$("#lightboxDetails").html('<div><img src="../images/tools/img.gif" /></div>');

//codice generato ajax	
//alert($('#lightbox').html())
}


//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
    $("#lightbox").hide();
	$("#overlay").hide();
    
   
   // $("#lightbox").fadeOut();
	//$("#overlay").hide();
	//objOverlay.style.display = 'none';
	//objLightbox.style.display = 'none';

	// make select boxes visible
/*	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
*/
	// disable keypress listener
	document.onkeypress = '';
}


//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{ 
	
	if (!document.getElementsByTagName){ return; }	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
/*

	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','javascript:hideLightbox();');
	objLink.setAttribute('title','Clicca per chiudere');
	//objLink.onclick = function () { hideLightbox(); return false; }
	objLightbox.appendChild(objLink);

	// preload and create close button image
	var imgPreloadCloseButton = new Image();

	// if close button image found, 
	imgPreloadCloseButton.onload = function(){ 

		var objCloseButton = document.createElement("img");
		objCloseButton.src = '../../collezioni/images/close.gif';
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '200';	
		objCloseButton.setAttribute('alt','Clicca per chiudere');
		objLink.appendChild(objCloseButton);
		//alert('');
		return false;
	}

	imgPreloadCloseButton.src = '../../collezioni/images/close.gif';
*/
	// create image
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);


}




//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
/*
function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(initLightbox);	// run initLightbox onLoad

*/