/***********************************************************************************************
	
	Script Modified by Sightings Design

	
	***********************************************************************************************/ 
	
	/***********************************************************************************************
	
	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.
	
	***********************************************************************************************/ 
	
	addtheImages = function(xml) {
		if(Ajax.CheckReadyState(Ajax.request))
		{
			document.getElementById('theImages').innerHTML = "";
			var response = Ajax.request.responseXML.documentElement;
			var _name = response.getElementsByTagName('scoller_image');
			
			var theImagesDisplay = "";
			
			for(var i=0; i<_name.length; i++)
			{
				var _client = response.getElementsByTagName('scoller_image')[i].parentNode.tagName;
				var _scoller_image = response.getElementsByTagName('scoller_image')[i].firstChild.data;
				
				var html = "<img src='" + _scoller_image + "' onClick=\"Ajax.Request('" + xml + "', Page.onResponse, '" + _client + "');\">";
				
				document.getElementById('theImages').innerHTML += html;
			}
			document.getElementById('theImages').innerHTML += '<div id="slideEnd"></div>';
			initSlideShow();
		}
	}
  	
	var activeImage = false;
	var imageGalleryLeftPos = false;
	var imageGalleryWidth = false;
	var imageGalleryObj = false;
	var maxGalleryXPos = false;
	var normalSlideSpeed = 1;
	var slideSpeed = normalSlideSpeed;
	var imageGalleryCaptions = new Array();
	
	function mouseSlide(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);
			if (normalSlideSpeed > 0)
				normalSlideSpeed = -1*normalSlideSpeed;
		}else{			
			slideSpeedMultiply = 10 - Math.floor((16 - this.offsetLeft) / 5);
			slideSpeed = 1*slideSpeedMultiply;
			slideSpeed = Math.min(10,slideSpeed);
			if (normalSlideSpeed < 0)
				normalSlideSpeed = -1*normalSlideSpeed;
		}
	}
	
	function normalSlide()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '.gif';
		slideSpeed=normalSlideSpeed;
	}
		
	function gallerySlide()
	{
		if(slideSpeed!=0){
			var leftPos = imageGalleryObj.offsetLeft;
			leftPos = leftPos/1 + slideSpeed;
			if(leftPos>maxGalleryXPos){
				leftPos = maxGalleryXPos;
				slideSpeed = -1;
				
			}
			if(leftPos<minGalleryXPos){
				leftPos = minGalleryXPos;
				slideSpeed= 1;
			}
			
			imageGalleryObj.style.left = leftPos + 'px';
		}
		minGalleryXPos = imageGalleryWidth - document.getElementById('slideEnd').offsetLeft;
		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 = mouseSlide;
		document.getElementById('arrow_left').onmouseout = normalSlide;
		document.getElementById('arrow_right').onmousemove = mouseSlide;
		document.getElementById('arrow_right').onmouseout = normalSlide;
		
		imageGalleryObj = document.getElementById('theImages');
		imageGalleryLeftPos = imageGalleryObj.offsetLeft;
		imageGalleryWidth = document.getElementById('galleryContainer').offsetWidth - 40;
		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;
		}
		gallerySlide();
	}