function prev(idx)
{
	e=document.getElementById("pbig");
	if(e)
	{
		if (idx==0)
			e.src="trainer_1.jpg";
		if (idx==1)
			e.src="photo_1.jpg";
		if (idx==2)
			e.src="photo_2.jpg";
	}
}

function gal(src)
{
	e=document.getElementById("pbig");
	if(e)
	{
		e.src = src.replace("gallery/", "gallery/full/");
	}
}