/***********************************************************************************************

	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=false;	// 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();
	var imageGalleryTitles = new Array();
	var imageGalleryAlts = new Array();
	var imageGalleryOrders = new Array();

	function showImage()
	{
		if(activeImage){
			activeImage.style.filter = 'alpha(opacity=90)';
			activeImage.style.opacity = 0.9;
		}
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;
		activeImage = this;
	}

	function initSlideShow()
	{

		imageGalleryObj = document.getElementById('theImages');
		if (imageGalleryObj) {

			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] && divs[no].id != 'slideEnd') {
					if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length] = divs[no].innerHTML;
					if(divs[no].className=='imageTitle')imageGalleryTitles[imageGalleryTitles.length] = divs[no].innerHTML;
					if(divs[no].className=='imageAlt')imageGalleryAlts[imageGalleryAlts.length] = divs[no].innerHTML;
					if(divs[no].className=='imageOrder')imageGalleryOrders[imageGalleryOrders.length] = divs[no].innerHTML;
				}
			}
		}
	}

	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';
		document.getElementById('largeImagetitle').style.display='none';
		document.getElementById('largeimageorder').style.display='none';
		if (imagePath != '') {
			img.onload = function() { hideWaitMessageAndShowCaption(imageIndex-1); };
			img.src = imagePath;
			img.alt = imageGalleryAlts[imageIndex-1];
			img.style.display = '';
		} else {
			img.style.display='none';
			hideWaitMessageAndShowCaption(imageIndex-1);
		}

	}
	function hideWaitMessageAndShowCaption(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';
		document.getElementById('largeImageCaption').innerHTML = imageGalleryCaptions[imageIndex];
		document.getElementById('largeImageCaption').style.display='block';
		document.getElementById('largeImagetitle').innerHTML = imageGalleryTitles[imageIndex];
		document.getElementById('largeImagetitle').style.display='block';
		document.getElementById('largeimageorder').innerHTML = imageGalleryOrders[imageIndex];
		document.getElementById('largeimageorder').style.display='block';
	}