/***********************************************************************************************
	
	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_4=true;	// Display a please wait message while images are loading?
  	
   		
	var activeImage_4 = false;
	var imageGalleryLeftPos_4 = false;
	var imageGalleryWidth_4 = false;
	var imageGalleryObj_4 = false;
	var maxGalleryXPos_4 = false;
	var slideSpeed_4 = 0;
	var imageGalleryCaptions_4 = new Array();
	function startSlide_4(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_4'){
			slideSpeedMultiply_4 = Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_4 = -1*slideSpeedMultiply_4;
			slideSpeed_4 = Math.max(-10,slideSpeed_4);
		}else{			
			slideSpeedMultiply_4 = 10 - Math.floor((e.clientX - this.offsetLeft) / 5);
			slideSpeed_4 = 1*slideSpeedMultiply_4;
			slideSpeed_4 = Math.min(10,slideSpeed_4);
			if(slideSpeed_4<0)slideSpeed_4=10;
		}
	}
	
	function releaseSlide_4()
	{
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'image-slideshow/images/' + this.id + '.jpg';
		slideSpeed_4=0;
	}
		
	function gallerySlide_4()
	{
		if(slideSpeed_4!=0){
			var leftPos_4 = imageGalleryObj_4.offsetLeft;
			leftPos_4 = leftPos_4/1 + slideSpeed_4;
			if(leftPos_4>maxGalleryXPos_4){
				leftPos_4 = maxGalleryXPos_4;
				slideSpeed_4 = 0;
				
			}
			if(leftPos_4<minGalleryXPos_4){
				leftPos_4 = minGalleryXPos_4;
				slideSpeed_4=0;
			}
			
			imageGalleryObj_4.style.left = leftPos_4 + 'px';
		}
		setTimeout('gallerySlide_4()',20);
		
	}
	
	function showImage_4()
	{
		if(activeImage_4){
			activeImage_4.style.filter = 'alpha(opacity=100)';	
			activeImage_4.style.opacity = 1;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage_4 = this;	
	}
	
	function initSlideShow_4()
	{
		//alert('In function');
		document.getElementById('arrow_left_4').onmousemove = startSlide_4;
		document.getElementById('arrow_left_4').onmouseout = releaseSlide_4;
		document.getElementById('arrow_right_4').onmousemove = startSlide_4;
		document.getElementById('arrow_right_4').onmouseout = releaseSlide_4;
		
		imageGalleryObj_4 = document.getElementById('theImages_4');
		imageGalleryLeftPos_4 = imageGalleryObj_4.offsetLeft;
		imageGalleryWidth_4 = document.getElementById('galleryContainer_4').offsetWidth - 800;
		maxGalleryXPos_4 = imageGalleryObj_4.offsetLeft; 
		minGalleryXPos_4 = imageGalleryWidth_4 - document.getElementById('slideEnd_4').offsetLeft;
		var slideshowImage_4s = imageGalleryObj_4.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImage_4s.length;no++){
			slideshowImage_4s[no].onmouseover = showImage_4;
		}
		
		var divs = imageGalleryObj_4.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions_4[imageGalleryCaptions_4.length] = divs[no].innerHTML;
		}
		gallerySlide_4();
	}
	
	function showPreview_4(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane_4').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('previewPane_4').appendChild(img);
		}else img = subImages[0];
		
		if(displaywaitMessage_4){
			document.getElementById('waitMessage_4').style.display='inline';
		}
		document.getElementById('largeImageCaption_4').style.display='none';
		img.onload = function() { hidewaitMessageAndShowCaption_4(imageIndex-1); };
		img.src = imagePath;
		
	}
	function hidewaitMessageAndShowCaption_4(imageIndex)
	{
		document.getElementById('waitMessage_4').style.display='none';	
		
		
	}