var gallery_action = false;
function gallery_move(id, cnt, dir)
{
	if(gallery_action)
		return;
		
	var curr = document.getElementById("gallery-"+id+"-holder").style.left;
	curr = parseFloat(curr);
	if(isNaN(curr))
		curr = 0;
	
	if(dir > 0)
	{
		if(curr >= 0)
			return;
	}
	else
	{
		if(curr + cnt * (190 + 20) - 3 * (190 + 20) <= 0)
			return;
	}

	gallery_action = true;
	var offset = 210;

	if(dir < 0)
		dir = "-";
	else
		dir = "+";
		
	$("#gallery-"+id+"-holder").animate(
		{left : dir+"="+offset+"px"},
		{queue:true, duration:100, complete: function() {gallery_action = false;}}
	);
}