function visi(nr)
{
t1 = document.getElementById('ttable1');
t2 = document.getElementById('ttable2');
t1.style.display='none';
t2.style.display='none';
	if (nr=='ttable2') t2.style.display='block';
	if (nr=='ttable1') t1.style.display='block';
}

function authvisi(pl)
{
v1 = document.getElementById('basket_line');
v2 = document.getElementById('auth_form');
v1.style.display='none';
v2.style.display='none';
	if (pl=='basket_line') v1.style.display='block';
	if (pl=='auth_form') v2.style.display='block';
}