/***********************************************************************************************
	
	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=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();
	var position = -1;
	var direction = 0;
	var t;
	
	/*
	
t=setTimeout("timedCount()",1000);
*/


	function startSlide(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' || this.id=='arrow_right2'){
			slideSpeedMultiply = 5;
			slideSpeed = -1*slideSpeedMultiply;
			slideSpeed = Math.max(-20,slideSpeed);
		}else if(this.id=='arrow_left' || this.id=='arrow_left2'){			
			slideSpeedMultiply = 5;
			slideSpeed = 1*slideSpeedMultiply;
			slideSpeed = Math.min(20,slideSpeed);
			if(slideSpeed<0)slideSpeed=20;
		}
	}
	
	function releaseSlide()
	{
		var id = this.id;
		//this.getElementsByTagName('IMG')[0].src = 'images/' + this.id + '.gif';
		slideSpeed=0;
	}
		
	function gallerySlide()
	{
		if(slideSpeed!=0){
			var leftPos = imageGalleryObj.offsetLeft;
			leftPos = leftPos/1 + slideSpeed;
			if(leftPos>maxGalleryXPos){
				leftPos = maxGalleryXPos;
				slideSpeed = 0;
				
			}
			if(leftPos<position && direction==1){
							
				
				leftPos = position;
				slideSpeed = 0;
			}
			
			
			
			if(leftPos>position && direction==-1){
				leftPos = position;
				slideSpeed = 0;
			}
			
			
			if(leftPos<minGalleryXPos){
				leftPos = minGalleryXPos;
				slideSpeed=0;
			}
			
			imageGalleryObj.style.left = leftPos + 'px';
		}
		setTimeout('gallerySlide()',20);
		
		
		if(leftPos==position){
				direction=0;
			}
			
	}
	
	
	
	
	

	
	
	function goto()	
	{
		var leftPos = imageGalleryObj.offsetLeft;
		
		if(leftPos<position){//il faut se déplacer vers la gauche
		direction=-1;
		slideSpeed=2000;
			//	imageGalleryObj.style.left=position + 'px';
		}
		if(leftPos>position){//il faut se déplacer vers la droite
		direction=1;
		
		/*
				if(leftPos-position>1000){
					slideSpeed=-100;
				}
				else if(leftPos-position>800){
					slideSpeed=-2;
				}
				else{	slideSpeed=-1;}*/
		
		slideSpeed=-500;
		}

		
	}
	
	
	
	
	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;
		
		/*
		document.getElementById('arrow_left2').onmousemove = startSlide;
		document.getElementById('arrow_left2').onmouseout = releaseSlide;
		document.getElementById('arrow_right2').onmousemove = startSlide;
		document.getElementById('arrow_right2').onmouseout = releaseSlide;	
		*/
		/*
		document.getElementById('A').onclick = A;
		document.getElementById('B').onclick = B;	
		document.getElementById('C').onclick = C;		
		document.getElementById('D').onclick = D;	
		document.getElementById('E').onclick = E;
		document.getElementById('F').onclick = F;	
		document.getElementById('G').onclick = G;	
		document.getElementById('H').onclick = H;	
		document.getElementById('I').onclick = I;
		document.getElementById('J').onclick = J;
		document.getElementById('K').onclick = K;
		document.getElementById('L').onclick = L;	
		document.getElementById('M').onclick = L;	
		
		*/
		
		
		
		
		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();
	}
	
	
	
	
	
	
	/*    - 25px  */
	
	function A()	
	{	
	position = -372;
	goto();	}
		
	function B()	
	{	
	position = -2886;
	goto();}
	
	function C()	
	{	
	position = -5091;	
	goto();	}
	
	function D()	
	{	
	position = -6678;
	goto();	}
		
	function E()	
	{	
	position = -8573;
	goto();}
	
	function F()	
	{	
	position = -11392;
	goto();	}
		
	function G()	
	{	
	position = -12671;
	goto();}
	
	function H()	
	{	
	position = -14566;	
	goto();	}
	
	function I()	
	{	
	position = -16153;
	goto();	}
		
	function J()	
	{	
	position = -16816;
	goto();}
	
	function K()	
	{	
	position = -19635;
	goto();}

	function L()	
	{	
	position = -21530;
	goto();}
	
	function M()	
	{	
	position = -23693;
	goto();}
	
	
	
	
	
	
	
	
	
	
	
	function showPreview(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			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;
		
	}
	function hideWaitMessageAndShowCaption(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';	
		document.getElementById('largeImageCaption').innerHTML = imageGalleryCaptions[imageIndex];
		document.getElementById('largeImageCaption').style.display='block';
		
	}
	window.onload = initSlideShow;