/***********************************************************************************************
	
	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_stuff=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage_stuff = false;
	var imageGalleryLeftPos_stuff = false;
	var imageGalleryWidth_stuff = false;
	var imageGalleryObj_stuff = false;
	var maxGalleryXPos_stuff = false;
	var slideSpeed_stuff = 0;
	var imageGalleryCaptions_stuff = new Array();
	function startSlide_stuff(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_stuff'){
			slideSpeed_stuffMultiply = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_stuff = -1*slideSpeed_stuffMultiply;
			slideSpeed_stuff = Math.max(-10,slideSpeed_stuff);
		}else{			
			slideSpeed_stuffMultiply = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_stuff = 1*slideSpeed_stuffMultiply;
			slideSpeed_stuff = Math.min(10,slideSpeed_stuff);
			if(slideSpeed_stuff<0)slideSpeed_stuff=10;
		}
	}
	
	function releaseSlide_stuff()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '.gif';
		slideSpeed_stuff=0;
	}
		
	function gallerySlide_stuff()
	{
		if(slideSpeed_stuff!=0){
			var leftPos = imageGalleryObj_stuff.offsetLeft;
			leftPos = leftPos/1 + slideSpeed_stuff;
			if(leftPos>maxGalleryXPos_stuff){
				leftPos = maxGalleryXPos_stuff;
				slideSpeed_stuff = 0;
				
			}
			if(leftPos<minGalleryXPos){
				leftPos = minGalleryXPos;
				slideSpeed_stuff=0;
			}
			
			imageGalleryObj_stuff.style.left = leftPos + 'px';
		}
		setTimeout('gallerySlide_stuff()',20);
		
	}
	
	function showImage_stuff()
	{
		if(activeImage_stuff){
			activeImage_stuff.style.filter = 'alpha(opacity=50)';	
			activeImage_stuff.style.opacity = 0.5;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage_stuff = this;	
	}
	
	function initSlideShow_stuff()
	{
		document.getElementById('arrow_left_stuff').onmousemove = startSlide_stuff;
		document.getElementById('arrow_left_stuff').onmouseout = releaseSlide_stuff;
		document.getElementById('arrow_right_stuff').onmousemove = startSlide_stuff;
		document.getElementById('arrow_right_stuff').onmouseout = releaseSlide_stuff;
		
		imageGalleryObj_stuff = document.getElementById('theImages_stuff');
		imageGalleryLeftPos_stuff = imageGalleryObj_stuff.offsetLeft;
		imageGalleryWidth_stuff = document.getElementById('galleryContainer_stuff').offsetWidth - 10;
		maxGalleryXPos_stuff = imageGalleryObj_stuff.offsetLeft; 
		minGalleryXPos = imageGalleryWidth_stuff - document.getElementById('slideEnd_stuff').offsetLeft;
		var slideshowImage_stuffs = imageGalleryObj_stuff.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImage_stuffs.length;no++){
			slideshowImage_stuffs[no].onmouseover = showImage_stuff;
		}
		
		var divs = imageGalleryObj_stuff.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions_stuff[imageGalleryCaptions_stuff.length] = divs[no].innerHTML;
		}
		gallerySlide_stuff();
	}
	
	function showPreview_stuff(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_stuff){
			document.getElementById('waitMessage').style.display='inline';
		}
		document.getElementById('largeImageCaption').style.display='none';
		img.onload = function() { hideWaitMessageAndShowCaption_stuff(imageIndex-1); };
		img.src = imagePath;
		
	}
	function hideWaitMessageAndShowCaption_stuff(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';	
		<!--document.getElementById('largeImageCaption').innerHTML = imageGalleryCaptions_stuff[imageIndex];-->
		document.getElementById('largeImageCaption').style.display='block';
		
	}