/*******************************************************************************
	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.
	********************************************************************************/
	/*
		* King Car Artist Front Page
 		* Filename  : image-slideshow.js
 		* Author    : Indranil Basu,CF-337,Sector -I,  
			      saltLake,Kolkata,India,Mat3impex Pvt Ltd
 		* Project   : Artist.kingcar
 		* Last Modified  : 2nd-July-2009
 		* Description    : Artist Product of this Artist.kingcar
 		* @subpackage Template Framework
 		* @copyright  Copyright (c) 2009-2010 Mat3Impex Pvt Ltd. (http://www.mat3impex.com)
 		* @version    1.0.0
	*/
   	
	var displayWaitMessage=true;	// Display a please wait message while images are loading?
	var activeImage = false;
	var imageGalleryLeftPos = false;
	var imageGalleryWidth = false;
	var imageGalleryObj = false;
	var maxGalleryXPos = false;
	var slideSpeed = 0;
	var imageGalleryCaptions = new Array();
	function startSlide(e)
	{
		if(document.all)e = event;
		var id = this.id;
		this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '_t.png';	 
     		
		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 + '_t.png';
		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');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='imageCaption')imageGalleryCaptions[imageGalleryCaptions.length] = divs[no].innerHTML;
		}
		gallerySlide();
	}
	
	function showPreview(imagePath,imageIndex,artistProductsId,lengthAttr){
		var subImages = document.getElementById('previewPane').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			img.setAttribute('id',artistProductsId);
			document.getElementById('previewPane').appendChild(img);
		}else img = subImages[0];
		/*if(displayWaitMessage){
			document.getElementById('waitMessage').style.display='inline';
		}
		document.getElementById('largeImageCaption').style.display='none';
		img.onload = function() { hideWaitMessageAndShowCaption(imageIndex-1); };*/
		img.src = imagePath;
		img.setAttribute('id',artistProductsId);
        img.setAttribute('width','auto');
        img.setAttribute('height','auto');            		
		if(lengthAttr!=null) img.setAttribute(lengthAttr,350);


/*
	//  COMMENTED  DUE  TO  MANAGE PAGE
		if(document.getElementById('btnEditPhotos')){
// 			document.getElementById('btnEditPhotos').setAttribute('onclick',"editproduct(\"" + artistProductsId + "\")");
			$('#btnEditPhotos').click(function (){
				var artistid = document.getElementById("artistid").value;
				window.location = 'photo.php?artist_id=' + artistid + '&id=' + artistProductsId;
			}
			);
		}

*/

			//document.getElementById('btnEditPhotos').onclick = "editproduct(\"" + artistProductsId + "\")";

      //last updated by Indranil Basu 21.10.09
		/*if(document.getElementById('hiddGallery') && document.getElementById('hiddGallery').value == 1)
			getExhibitionArtistProductDetails(artistProductsId);*/
     //last updated by Indranil Basu 21.10.09
	}
	function hideWaitMessageAndShowCaption(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';	
		document.getElementById('largeImageCaption').innerHTML = '';//imageGalleryCaptions[imageIndex];
		document.getElementById('largeImageCaption').style.display='block';
		
	}
	window.onload = initSlideShow;