var slideshow2_noFading = false;	// Just normal show/hide without fading ?
var slideshow2_timeBetweenSlides = 1500;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 20;	// Speed of fading

/* Don't change any of these values */
var slideshow2_galleryHeigh;	// Height of galery
var slideshow2_galleryContainer;	// Reference to the gallery div
var slideshow2_galleryWidth;	// Width of gallery
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

function getGalleryImageSize(imageIndex)
{
	if (imageIndex == slideshow2_imagesInGallery)
		showGallery();
	else
	{
		var imgObj = document.getElementById('galleryImage' + imageIndex);
		var imgWidth = imgObj.width;
		var imgHeight = imgObj.height;
		if (imgWidth > 50)
		{
			var tmpDiv = document.createElement('DIV');
			tmpDiv.id = 'galleryDiv' + imageIndex;
			tmpDiv.style.visibility = 'hidden';
			tmpDiv.className='imageInGallery';
			slideshow2_galleryContainer.appendChild(tmpDiv);
			tmpDiv.appendChild(imgObj);
			imgObj.style.left = Math.round((slideshow2_galleryWidth - imgWidth) / 2)  + "px";
			imgObj.style.top = Math.round((slideshow2_galleryHeight - imgHeight) / 2)  + "px";
			tmpDiv.style.visibility = 'hidden';
			slideshow2_imageDivs.push(tmpDiv);
			imageIndex++;
			getGalleryImageSize(imageIndex);
		}
		else
			setTimeout('getGalleryImageSize(' + imageIndex + ')', 10);
	}
}

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';
	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)';

		if (Prototype.Browser.Opera && version < 9.6)
		{
		    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;
		}
	}
	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';
		showGallery();
		return;
	}
	slideshow2_currentOpacity--;
	if (document.all)
	{
		slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity=' + slideshow2_currentOpacity + ')';
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity=' + (100 - slideshow2_currentOpacity) + ')';

		if (Prototype.Browser.Opera && version < 9.6)
		{
		    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)));
		}
	}
	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)));
	}
	if (slideshow2_currentOpacity > 0)
		setTimeout('revealImage()', slideshow2_fadingSpeed);
	else
	{
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';
		showGallery();
	}
}

var version = 0;
function initImageGallery()
{
    try
    {
        version =  parseFloat(navigator.appVersion.split(" ")[0]);
    }
    catch (ex) { }

	slideshow2_galleryContainer = document.getElementById('imageSlideshowHolder');
	slideshow2_galleryWidth = slideshow2_galleryContainer.clientWidth;
	slideshow2_galleryHeight = slideshow2_galleryContainer.clientHeight;
	galleryImgArray = slideshow2_galleryContainer.getElementsByTagName('IMG');

	for (var no = 0; no < galleryImgArray.length; no++)
		galleryImgArray[no].id = 'galleryImage' + no;

	slideshow2_imagesInGallery = galleryImgArray.length;
	getGalleryImageSize(0);

}

function show_more(id)
{
	e = document.getElementById(id);

	if (e.style.display != 'block')
		e.style.display = 'block';
	else
		e.style.display = 'none';
}
