function move_image(direction)
{
	var first_item;
	first_item = document.getElementById('first_item').value;
	if(direction == 'up'){
		first_item--;
	}
	if(direction == 'down'){
		first_item++;
	}
	
	document.getElementById('first_item').value = first_item
	document.getElementById('direction').value = direction;
	
	get_gallery_content();
}

function show_big_img(big_img_id)
{
	document.getElementById('big_img_id').value = big_img_id;
	get_gallery_content();
}