/***********************************************************************************************
	
	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_1=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage_1 = false;
	var imageGalleryLeftPos_1 = false;
	var imageGalleryWidth_1 = false;
	var imageGalleryObj_1 = false;
	var maxGalleryXPos_1 = false;
	var slideSpeed_1 = 0;
	var imageGalleryCaptions_1 = new Array();
	function startSlide_1(e)
	{
		if(document.all)e = event;
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'image-slideshow/images/' + this.id + '_over.jpg';	
		if(this.id=='arrow_right_1'){
			slideSpeedMultiply_1 = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_1 = -1*slideSpeedMultiply_1;
			slideSpeed_1 = Math.max(-10,slideSpeed_1);
		}else{			
			slideSpeedMultiply_1 = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_1 = 1*slideSpeedMultiply_1;
			slideSpeed_1 = Math.min(10,slideSpeed_1);
			if(slideSpeed_1<0)slideSpeed_1=10;
		}
	}
	
	function releaseSlide_1()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'image-slideshow/images/' + this.id + '.jpg';
		slideSpeed_1=0;
	}
		
	function gallerySlide_1()
	{
		if(slideSpeed_1!=0){
			var leftPos_1 = imageGalleryObj_1.offsetLeft;
			leftPos_1 = leftPos_1/1 + slideSpeed_1;
			if(leftPos_1>maxGalleryXPos_1){
				leftPos_1 = maxGalleryXPos_1;
				slideSpeed_1 = 0;
				
			}
			if(leftPos_1<minGalleryXPos_1){
				leftPos_1 = minGalleryXPos_1;
				slideSpeed_1=0;
			}
			
			imageGalleryObj_1.style.left = leftPos_1 + 'px';
		}
		setTimeout('gallerySlide_1()',20);
		
	}
	
	function showImage_1()
	{
		if(activeImage_1){
			activeImage_1.style.filter = 'alpha(opacity=100)';	
			activeImage_1.style.opacity = 1;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage_1 = this;	
	}
	
	function initSlideShow_1()
	{
		//alert('In function');
		document.getElementById('arrow_left_1').onmousemove = startSlide_1;
		document.getElementById('arrow_left_1').onmouseout = releaseSlide_1;
		document.getElementById('arrow_right_1').onmousemove = startSlide_1;
		document.getElementById('arrow_right_1').onmouseout = releaseSlide_1;
		
		imageGalleryObj_1 = document.getElementById('theImages_1');
		imageGalleryLeftPos_1 = imageGalleryObj_1.offsetLeft;
		imageGalleryWidth_1 = document.getElementById('galleryContainer_1').offsetWidth - 800;
		maxGalleryXPos_1 = imageGalleryObj_1.offsetLeft; 
		minGalleryXPos_1 = imageGalleryWidth_1 - document.getElementById('slideEnd_1').offsetLeft;
		var slideshowImage_1s = imageGalleryObj_1.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImage_1s.length;no++){
			slideshowImage_1s[no].onmouseover = showImage_1;
		}
		
		var divs = imageGalleryObj_1.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions_1[imageGalleryCaptions_1.length] = divs[no].innerHTML;
		}
		gallerySlide_1();
	}
	
	function showPreview_1(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane_1').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('previewPane_1').appendChild(img);
		}else img = subImages[0];
		
		if(displaywaitMessage_1){
			document.getElementById('waitMessage_1').style.display='inline';
		}
		document.getElementById('largeImageCaption_1').style.display='none';
		img.onload = function() { hidewaitMessageAndShowCaption_1(imageIndex-1); };
		img.src = imagePath;
		
	}
	function hidewaitMessageAndShowCaption_1(imageIndex)
	{
		document.getElementById('waitMessage_1').style.display='none';	
		
		
	}