/***********************************************************************************************
	
	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 displayWaitMessage2=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage2 = false;
	var imageGalleryLeftPos2 = false;
	var imageGalleryWidth2 = false;
	var imageGalleryObj2 = false;
	var maxGalleryXPos2 = false;
	var slideSpeed2 = 0;
	var imageGalleryCaptions2 = new Array();
	function startSlide2(e)
	{
		if(document.all)e = event;
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images_slideshow/' + this.id + '_over.gif';	
		if(this.id=='arrow_right2'){
			slideSpeed2Multiply = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed2 = -1*slideSpeed2Multiply;
			slideSpeed2 = Math.max(-10,slideSpeed2);
		}else{			
			slideSpeed2Multiply = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed2 = 1*slideSpeed2Multiply;
			slideSpeed2 = Math.min(10,slideSpeed2);
			if(slideSpeed2<0)slideSpeed2=10;
		}
	}
	
	function releaseSlide2()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images_slideshow/' + this.id + '.gif';
		slideSpeed2=0;
	}
		
	function gallerySlide2()
	{
		if(slideSpeed2!=0){
			var leftPos = imageGalleryObj2.offsetLeft;
			leftPos = leftPos/1 + slideSpeed2;
			if(leftPos>maxGalleryXPos2){
				leftPos = maxGalleryXPos2;
				slideSpeed2 = 0;
				
			}
			if(leftPos<minGalleryXPos2){
				leftPos = minGalleryXPos2;
				slideSpeed2=0;
			}
			
			imageGalleryObj2.style.left = leftPos + 'px';
		}
		setTimeout('gallerySlide2()',20);
		
	}
	
	function showImage2()
	{
		if(activeImage2){
			activeImage2.style.filter = 'alpha(opacity=50)';	
			activeImage2.style.opacity = 0.5;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage2 = this;	
	}
	
	function initSlideShow2()
	{
//		initSlideShow();
		
		document.getElementById('arrow_left2').onmousemove = startSlide2;
		document.getElementById('arrow_left2').onmouseout = releaseSlide2;
		document.getElementById('arrow_right2').onmousemove = startSlide2;
		document.getElementById('arrow_right2').onmouseout = releaseSlide2;
		
		imageGalleryObj2 = document.getElementById('theImages2');
		imageGalleryLeftPos2 = imageGalleryObj2.offsetLeft;
		imageGalleryWidth2 = document.getElementById('galleryContainer2').offsetWidth - 80;
		maxGalleryXPos2 = imageGalleryObj2.offsetLeft; 
		minGalleryXPos2 = imageGalleryWidth2 - document.getElementById('slideEnd2').offsetLeft;
		var slideshowImages2 = imageGalleryObj2.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImages2.length;no++){
			slideshowImages2[no].onmouseover = showImage2;
		}
		
		var divs = imageGalleryObj2.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption2')imageGalleryCaptions2[imageGalleryCaptions2.length] = divs[no].innerHTML;
		}
		gallerySlide2();
	}
	
	function showPreview2(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane2').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('previewPane2').appendChild(img);
		}else img = subImages[0];
		
		if(displayWaitMessage2){
			document.getElementById('waitMessage2').style.display='inline';
		}
		document.getElementById('largeImageCaption2').style.display='none';
		img.onload = function() { hideWaitMessageAndShowCaption2(imageIndex-1); };
		img.src = imagePath;
		
	}
	function hideWaitMessageAndShowCaption2(imageIndex)
	{
		document.getElementById('waitMessage2').style.display='none';	
		document.getElementById('largeImageCaption2').innerHTML = imageGalleryCaptions2[imageIndex];
		document.getElementById('largeImageCaption2').style.display='block';
		
	}
	//window.onload = initSlideShow2;