/************************************************************************************************************
	(C) www.dhtmlgoodies.com, November 2005
	
	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
	
	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.
	
	Thank you!
	
	www.dhtmlgoodies.com
	Alf Magne Kalleland
	
	************************************************************************************************************/
	var arrowImageHeight = 35;	// Height of arrow image in pixels;
	var displayWaitMessage=true;	// Display a please wait message while images are loading?
	
	var previewImage = false;
	var previewImageParent = false;
	var slideSpeed = 0;
	var previewImagePane = false;
	var slideEndMarker = false;
	var galleryContainer = false;
	var imageGalleryCaptions = new Array();
	
	
	
	var previewImage1 = false;
	var previewImageParent1 = false;
	var slideSpeed1 = 0;
	var previewImagePane1 = false;
	var slideEndMarker1 = false;
	var galleryContainer1 = false;
	var imageGalleryCaptions1 = new Array();
	
	
	
	
	function getTopPos(inputObj)
	{		
	
	  var returnValue = inputObj.offsetTop;
	  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetTop;
	  return returnValue;
	}
	
	function getLeftPos(inputObj)
	{

	  var returnValue = inputObj.offsetLeft;
	  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetLeft;
	  return returnValue;
	}
		
	function initSlide(e)
	{
		if(document.all)e = event;
		if(this.src.indexOf('over')<0)this.src = this.src.replace('.gif','-over.gif');
		
		slideSpeed = e.clientY + Math.max(document.body.scrollTop,document.documentElement.scrollTop) - getTopPos(this);
		if(this.src.indexOf('down')>=0){
			slideSpeed = (slideSpeed)*-1;	
		}else{
			slideSpeed = arrowImageHeight - slideSpeed;
		}
		slideSpeed = Math.round(slideSpeed * 10 / arrowImageHeight);
	}
	
	function stopSlide()
	{		
		slideSpeed = 0;
		this.src = this.src.replace('-over','');
	}
	
	function initSlide1(e)
	{
		if(document.all)e = event;
		if(this.src.indexOf('over')<0)this.src = this.src.replace('.gif','-over.gif');
		
		slideSpeed1 = e.clientY + Math.max(document.body.scrollTop,document.documentElement.scrollTop) - getTopPos(this);
		if(this.src.indexOf('down')>=0){
			slideSpeed1 = (slideSpeed1)*-1;	
		}else{
			slideSpeed1 = arrowImageHeight - slideSpeed1;
		}
		slideSpeed1 = Math.round(slideSpeed1 * 10 / arrowImageHeight);
	}
	
	function stopSlide1()
	{		
		slideSpeed1 = 0;
		this.src = this.src.replace('-over','');
	}
	
	function slidePreviewPane()
	{
		if(slideSpeed!=0){
			var topPos = previewImagePane.style.top.replace(/[^\-0-9]/g,'')/1;	
		
			if(slideSpeed<0 && slideEndMarker.offsetTop<(previewImageParent.offsetHeight - topPos)){
				slideSpeed=0;
			
			}
			topPos = topPos + slideSpeed;
			if(topPos>0)topPos=0;

		 	previewImagePane.style.top = topPos + 'px';
	 	
		}
	 	setTimeout('slidePreviewPane()',30);		
	}


	function slidePreviewPane1()
	{


		if(slideSpeed1!=0){
			var topPos = previewImagePane1.style.top.replace(/[^\-0-9]/g,'')/1;	
		
			if(slideSpeed1<0 && slideEndMarker1.offsetTop<(previewImageParent1.offsetHeight - topPos)){
				slideSpeed1=0;
			
			}
			topPos = topPos + slideSpeed1;
			if(topPos>0)topPos=0;

			
			previewImagePane1.style.top = topPos + 'px';
	 	
		}
	 	setTimeout('slidePreviewPane1()',30);		
	}
	
	function revealThumbnail()
	{
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;
	}
	
	function hideThumbnail()
	{
		this.style.filter = 'alpha(opacity=70)';
		this.style.opacity = 0.7;
	}
	
	function initGalleryScript()
	{
		previewImageParent = document.getElementById('theImages');
		previewImagePane = document.getElementById('theImages').getElementsByTagName('DIV')[0];
		previewImagePane.style.top = '0px';
		galleryContainer  = document.getElementById('galleryContainer');
		var images = previewImagePane.getElementsByTagName('IMG');
		for(var no=0;no<images.length;no++){
			images[no].onmouseover = revealThumbnail;
			images[no].onmouseout = hideThumbnail;
		}	
		slideEndMarker = document.getElementById('slideEnd');
		
		document.getElementById('arrow_up_image').onmousemove = initSlide;
		document.getElementById('arrow_up_image').onmouseout = stopSlide;
		
		document.getElementById('arrow_down_image').onmousemove = initSlide;
		document.getElementById('arrow_down_image').onmouseout = stopSlide;
		var divs = previewImageParent.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length] = divs[no].innerHTML;
		}
		
		
		
		previewImageParent1 = document.getElementById('theImages1');
		
		previewImagePane1 = document.getElementById('theImages1').getElementsByTagName('DIV')[0];
		previewImagePane1.style.top = '0px';
		galleryContainer1  = document.getElementById('galleryContainer1');
		var images1 = previewImagePane1.getElementsByTagName('IMG');
		for(var no=0;no<images1.length;no++){
			images1[no].onmouseover = revealThumbnail;
			images1[no].onmouseout = hideThumbnail;
		}	
		slideEndMarker1 = document.getElementById('slideEnd1');
		
		document.getElementById('arrow_up_image1').onmousemove = initSlide1;
		document.getElementById('arrow_up_image1').onmouseout = stopSlide1;
		
		document.getElementById('arrow_down_image1').onmousemove = initSlide1;
		document.getElementById('arrow_down_image1').onmouseout = stopSlide1;
		var divs1 = previewImageParent1.getElementsByTagName('DIV');
		for(var no=0;no<divs1.length;no++){
			if(divs1[no].className=='imageCaption')imageGalleryCaptions1[imageGalleryCaptions1.length] = divs1[no].innerHTML;
		}		
		slidePreviewPane();		
		slidePreviewPane1();
		
	}