/***********************************************************************************************
	
	Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com
	
	UPDATE LOG:
	
	March, 10th, 2006 : Added support for a message while large image is loading
	
	Get this and other scripts at www.dhtmlgoodies.com
	
	You can use this script freely as long as this copyright message is kept intact.
	
	***********************************************************************************************/ 
   /*	
	var displayWaitMessage=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage = false;
	var imageGalleryLeftPos = false;
	var imageGalleryWidth = false;
	var imageGalleryObj = false;
	var maxGalleryXPos = false;
	var slideSpeed = 0;
	var imageGalleryCaptions = new Array();
	function startSlide(e)
	{
		if(document.all)e = event;
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '_over.gif';	
		if(this.id=='arrow_right'){
			slideSpeedMultiply = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed = -1*slideSpeedMultiply;
			slideSpeed = Math.max(-10,slideSpeed);
		}else{			
			slideSpeedMultiply = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed = 1*slideSpeedMultiply;
			slideSpeed = Math.min(10,slideSpeed);
			if(slideSpeed<0)slideSpeed=10;
		}
	}
	
	function releaseSlide()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '.gif';
		slideSpeed=0;
	}
		
	function gallerySlide()
	{
		if(slideSpeed!=0){
			var leftPos = imageGalleryObj.offsetLeft;
			leftPos = leftPos/1 + slideSpeed;
			if(leftPos>maxGalleryXPos){
				leftPos = maxGalleryXPos;
				slideSpeed = 0;
				
			}
			if(leftPos<minGalleryXPos){
				leftPos = minGalleryXPos;
				slideSpeed=0;
			}
			
			imageGalleryObj.style.left = leftPos + 'px';
		}
		setTimeout('gallerySlide()',20);
		
	}
	
	function showImage()
	{
		if(activeImage){
			activeImage.style.filter = 'alpha(opacity=50)';	
			activeImage.style.opacity = 0.5;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage = this;	
	}
	
	function initSlideShow()
	{
		if(document.getElementById('arrow_left')) document.getElementById('arrow_left').onmousemove = startSlide;
		if(document.getElementById('arrow_left')) document.getElementById('arrow_left').onmouseout = releaseSlide;
		if(document.getElementById('arrow_right')) document.getElementById('arrow_right').onmousemove = startSlide;
		if(document.getElementById('arrow_right')) document.getElementById('arrow_right').onmouseout = releaseSlide;
		if(document.getElementById('theImages')){
		imageGalleryObj = document.getElementById('theImages');
		imageGalleryLeftPos = imageGalleryObj.offsetLeft;
		imageGalleryWidth = document.getElementById('galleryContainer').offsetWidth - 80;
		maxGalleryXPos = imageGalleryObj.offsetLeft; 
		minGalleryXPos = imageGalleryWidth - document.getElementById('slideEnd').offsetLeft;
		var slideshowImages = imageGalleryObj.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImages.length;no++){
			slideshowImages[no].onmouseover = showImage;
		}
		
		var divs = imageGalleryObj.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length] = divs[no].innerHTML;
		}
		gallerySlide();
		}
	}
	
	function showPreview(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('previewPane').appendChild(img);
		}else img = subImages[0];
		
		if(displayWaitMessage){
			document.getElementById('waitMessage').style.display='inline';
		}
		document.getElementById('largeImageCaption').style.display='none';
		img.onload = function() { hideWaitMessageAndShowCaption(imageIndex-1); };
		img.src = imagePath;
		
	}
	function hideWaitMessageAndShowCaption(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';	
		document.getElementById('largeImageCaption').innerHTML = imageGalleryCaptions[imageIndex];
		document.getElementById('largeImageCaption').style.display='block';
		
	}
	*/
	/*window.onload = initSlideShow;*/
function getElementsByClassName(_className)
{
	var _classArray = [];
	var _regExp = new RegExp('\\b' + _className + '\\b');
	//var _getAllTags = this.getElementsByTagName('*');
	var _getAllTags = document.getElementsByTagName('*');
	for(var i = 0; i < _getAllTags.length; i++)
	{
		if (_regExp.test(_getAllTags[i].className) == true)
		{
			_classArray.push(_getAllTags[i]);
		}
	}

	return _classArray;
}


/*inizio video*/

	function scrollToPaneVideo(pane_number_video) {
if($('theImages2')){
  var scrollable_pane_video = $('theImages2');
  var all_panes_video = $$('.intcont2');
 
  var selected_pane_video = all_panes_video[pane_number_video];
  var offset = selected_pane_video.getOffsets();
  winsi=scrollable_pane_video.getOffsets();
  
	 var selClass_video = getElementsByClassName("intcont2");
  var total_video=selClass_video.length;
 
 
  //scrollable_pane.setStyles({'left':  (winsi.x-offset.x)+'px'});
  scrollable_pane_video.tween('left', ((winsi.x-offset.x)+40)+'px');
  }
}
var currentPane_video = 0;
function scrollToNextPaneAndStopVideo(){
  var selClass_video = getElementsByClassName("intcont2");
  var total_video=selClass_video.length;
  //if (!$('actualcont_'+(++currentPane))) { currentPane = 0; }
  if (++currentPane_video >=total_video) { currentPane_video = 0; }
  scrollToPaneVideo(currentPane_video);
}
function scrollToPreviousPaneAndStopVideo() {
	var selClass_video = getElementsByClassName("intcont2");
  var total_video=selClass_video.length;
  if (--currentPane_video <= -1) { currentPane_video = total_video-1; }
  scrollToPaneVideo(currentPane_video);
}
function scrollToNextPaneVideo() {
  scrollToNextPaneAndStopVideo();
  setNextPaneScrollTimeoutVideo();
}
function scrollToPreviousPaneVideo() {
  scrollToPreviousPaneAndStopVideo();
  setNextPaneScrollTimeoutVideo();
}



/*fine video*/
	
	function scrollToPane(pane_number) {
if($('theImages')){
  var scrollable_pane = $('theImages');
  var all_panes = $$('.intcont');
 
  var selected_pane = all_panes[pane_number];
  var offset = selected_pane.getOffsets();
  winsi=scrollable_pane.getOffsets();
	 var selClass = getElementsByClassName("intcont");
  var total=selClass.length;
 
 
  //scrollable_pane.setStyles({'left':  (winsi.x-offset.x)+'px'});
  scrollable_pane.tween('left', ((winsi.x-offset.x)+40)+'px');
  }
}
var currentPane = 0;
	var paneScrollTimer;
function scrollToNextPaneAndStop(){
  var selClass = getElementsByClassName("intcont");
  var total=selClass.length;
  clearTimeout(paneScrollTimer);
  //if (!$('actualcont_'+(++currentPane))) { currentPane = 0; }
  if (++currentPane >=total) { currentPane = 0; }
  scrollToPane(currentPane);
}
function scrollToPreviousPaneAndStop() {
	var selClass = getElementsByClassName("intcont");
  var total=selClass.length;
  clearTimeout(paneScrollTimer);
  if (--currentPane <= -1) { currentPane = total-1; }
  scrollToPane(currentPane);
}
function scrollToNextPane() {
  scrollToNextPaneAndStop();
  setNextPaneScrollTimeout();
}
function scrollToPreviousPane() {
  scrollToPreviousPaneAndStop();
  setNextPaneScrollTimeout();
}
function setNextPaneScrollTimeout() { paneScrollTimer = setTimeout(scrollToNextPane, 8000); }
window.addEvent('load',function(){
	setNextPaneScrollTimeout();
});