function showImage(newSrc)
{
	id('mainGalleryImage').src = newSrc;
}



function setCaption(caption)
{
   id('mainGalleryCaption').innerHTML = caption;    
}


var direction;
var delay  		= 10;
var toStop 		= 0;


function stopScroll()
{
	toStop = 1;
}

function scrollToLeft()
{
    toStop    = 0;
	direction = 'left';
	setTimeout('scrollThumbs()', delay);
    setTimeout('scrollThumbs()', delay); 
	
}

function scrollToRight()
{
	toStop 	  = 0;
	direction = 'right';
	setTimeout('scrollThumbs()', delay);
    setTimeout('scrollThumbs()', delay); 
	
}

function scrollThumbs()
{
	if(toStop == 1) return;

	var slideList = document.getElementById('slideList');
    var scroll    = document.getElementById('scroll');
    
        
	switch (direction)
	{
		case 'left': if(scroll.scrollLeft > 0 )
					 {
			    		scroll.scrollLeft -= 2;
						setTimeout('scrollThumbs()', delay);

					 }
					 break;

		case 'right': if(scroll.scrollLeft < slideList.offsetWidth)
					 {
                       
			    		scroll.scrollLeft += 2;
						setTimeout('scrollThumbs()', delay);

					 }
					 break;
	}
}