function start_slideshow(start_frame, end_frame, delay) {
	$('slideshow1').style.display = 'block';
	setTimeout(switch_slides(start_frame,start_frame,end_frame, delay), delay);
}
												
function switch_slides(frame, start_frame, end_frame, delay) {
	return (function() {
				Effect.Fade('slideshow' + frame);
				if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
				Effect.Appear('slideshow' + frame);
				//setTimeout("Effect.Appear('slideshow" + frame + "');", 850);
				setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay);
			})
}
function switchSubmenu(a,idSubmenu)
{
	a.className = 'activ';
	a.blur();
	t=$(idSubmenuActiv);
	if (t)	t.style.display = 'none';
	a0 = $('a'+idSubmenuActiv.substring(2));
	if (a0 && a0.id!=a.id)	a0.className = null;
	t=$(idSubmenu);
	if (t)	t.style.display = 'block';
	idSubmenuActiv = idSubmenu;
}