/************************************************************************************************************
	(C) www.dhtmlgoodies.com, November 2005
	
	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
	
	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission. 
	
	Thank you!
	
	www.dhtmlgoodies.com
	Alf Magne Kalleland
	
	************************************************************************************************************/	
	var slideshow2_noFading = false;
	var slideshow2_timeBetweenSlides = 3000;	// Amount of time between each image(1000 = 1 second)
	var slideshow2_fadingSpeed = 50;	// ms between steps
	var slideshow2_fadingSteps = 20;	// 1->100 steps
	//fade time = slideshow2_fadingSteps*slideshow2_fadingSteps
	
	var slideshow2_galleryContainer;	// Reference to the gallery div
	var slideshow2_galleryWidth;	// Width of gallery
	var slideshow2_galleryHeight;	// Height of galery
	var slideshow2_slideIndex = -1;	// Index of current image shown
	var slideshow2_slideIndexNext = false;	// Index of next image shown
	var slideshow2_imageDivs = new Array();	// Array of image divs(Created dynamically)
	var slideshow2_currentOpacity = 100;	// Initial opacity
	var slideshow2_imagesInGallery = false;	// Number of images in gallery
	var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;
	
	//addition code
	var slideshow2_image_links = new Array();
	var slideshow2_link;
	//addition code end
	
	function createParentDivs(imageIndex)
	{
		if(imageIndex==slideshow2_imagesInGallery){			
			showGallery();
		}else{
			var imgObj = document.getElementById('galleryImage' + imageIndex);	
			if(Opera)imgObj.style.position = 'static';
			slideshow2_imageDivs[slideshow2_imageDivs.length] =  imgObj;
			imgObj.style.visibility = 'hidden';	
			imageIndex++;
			createParentDivs(imageIndex);	
		}		
	}
	
	function showGallery()
	{
		if(slideshow2_slideIndex==-1)slideshow2_slideIndex=0; else slideshow2_slideIndex++;	// Index of next image to show
		if(slideshow2_slideIndex==slideshow2_imageDivs.length)slideshow2_slideIndex=0;
		slideshow2_slideIndexNext = slideshow2_slideIndex+1;	// Index of the next next image
		if(slideshow2_slideIndexNext==slideshow2_imageDivs.length)slideshow2_slideIndexNext = 0;
		
		slideshow2_currentOpacity=100;	// Reset current opacity

		// Displaying image divs
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'visible';
		if(Opera)slideshow2_imageDivs[slideshow2_slideIndex].style.display = 'inline';
		if(navigator.userAgent.indexOf('Opera')<0){
			slideshow2_imageDivs[slideshow2_slideIndexNext].style.visibility = 'visible';
		}
		
		if(document.all){	// IE rules
			slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity=100)';
			slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity=1)';
		}else{
			slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = 0.99;	// Can't use 1 and 0 because of screen flickering in FF
			slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = 0.01;
		}		
		

		setTimeout('revealImage()',slideshow2_timeBetweenSlides);		
	}
	
	function revealImage()
	{
		if(slideshow2_noFading){
			slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';
			if(Opera)slideshow2_imageDivs[slideshow2_slideIndex].style.display = 'none';
			showGallery();
			return;
		}
		slideshow2_currentOpacity-=100/slideshow2_fadingSteps;
		if(document.all){
			slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity='+slideshow2_currentOpacity+')';
			slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity='+(100-slideshow2_currentOpacity)+')';
			//addition code
			if (slideshow2_currentOpacity>50)
				slideshow2_link.href = slideshow2_image_links[slideshow2_slideIndexNext];
			//addition code end
		}else{
			slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = Math.max(0.01,slideshow2_currentOpacity/100);	// Can't use 1 and 0 because of screen flickering in FF
			slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = Math.min(0.99,(1 - (slideshow2_currentOpacity/100)));
			//addition code
			if (slideshow2_currentOpacity>0.5)
				slideshow2_link.href = slideshow2_image_links[slideshow2_slideIndexNext];
			//addition code end
		}
		if(slideshow2_currentOpacity>0){
			setTimeout('revealImage()',slideshow2_fadingSpeed);
		}else{
			slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';	
			if(Opera)slideshow2_imageDivs[slideshow2_slideIndex].style.display = 'none';		
			showGallery();
		}
	}
	
	function initImageGallery(links)
	{
		slideshow2_image_links = links;
		
		slideshow2_galleryContainer = document.getElementById('imageSlideshowHolder');
		slideshow2_galleryWidth = slideshow2_galleryContainer.clientWidth;
		slideshow2_galleryHeight = slideshow2_galleryContainer.clientHeight;
		galleryImgArray = slideshow2_galleryContainer.getElementsByTagName('IMG');
		//addition code
		slideshow2_link = slideshow2_galleryContainer.getElementsByTagName('A')[0];
		//addition code end
		for(var no=0;no<galleryImgArray.length;no++){
			galleryImgArray[no].id = 'galleryImage' + no;
		}
		slideshow2_imagesInGallery = galleryImgArray.length;
		createParentDivs(0);		
		
	}