/***********************************************************************************************
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=true;var activeImage=false;var imageGalleryLeftPos=false;var imageGalleryWidth=false;var imageGalleryObj=false;var maxGalleryXPos=false;var slideSpeed=0
function startSlide(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'){slideSpeedMultiply=Math.floor((e.clientX-this.offsetLeft)/5);slideSpeed=-1*slideSpeedMultiply;slideSpeed=Math.max(-10,slideSpeed);}
else{slideSpeedMultiply=10-Math.floor((e.clientX-this.offsetLeft)/5);slideSpeed=1*slideSpeedMultiply;slideSpeed=Math.min(10,slideSpeed)
if(slideSpeed<0)slideSpeed=10;}}
function releaseSlide(){
var id=this.id
this.getElementsByTagName('IMG')[0].src='images/'+this.id+'.gif';slideSpeed=0;}
function gallerySlide(){
if(slideSpeed!=0){
var leftPos=imageGalleryObj.offsetLeft;leftPos=leftPos/1+slideSpeed
if(leftPos>maxGalleryXPos){leftPos=maxGalleryXPos;slideSpeed=0;}
if(leftPos<minGalleryXPos){leftPos=minGalleryXPos;slideSpeed=0;}
imageGalleryObj.style.left=leftPos+'px';}
setTimeout('gallerySlide()',20);}
function showImage(){
if(activeImage){activeImage.style.filter='alpha(opacity=50)';activeImage.style.opacity=0.5;}
this.style.filter='alpha(opacity=100)';this.style.opacity=1;activeImage=this;}
function initSlideShow(){
document.getElementById('arrow_left').onmousemove=startSlide;document.getElementById('arrow_left').onmouseout=releaseSlide;document.getElementById('arrow_right').onmousemove=startSlide;document.getElementById('arrow_right').onmouseout=releaseSlide
imageGalleryObj=document.getElementById('theImages');imageGalleryLeftPos=imageGalleryObj.offsetLeft;imageGalleryWidth=document.getElementById('galleryContainer').offsetWidth-80;maxGalleryXPos=imageGalleryObj.offsetLeft;minGalleryXPos=imageGalleryWidth-document.getElementById('slideEnd').offsetLeft;var slideshowImages=imageGalleryObj.getElementsByTagName('IMG')
for(var no=0;no<slideshowImages.length;no++){slideshowImages[no].onmouseover=showImage;}
var divs=imageGalleryObj.getElementsByTagName('DIV')
gallerySlide();}
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]
img.src=imagePath;}
window.onload=initSlideShow