function foto(pagina, l, a)
{
	parent.NaviWin=window.open(pagina,'','toolbar=no,left=10,top=10,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + l +',height=' + a);
};

function foto2(pagina, l, a)
{
	parent.NaviWin=window.open(pagina,'','toolbar=no,left=10,top=10,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=' + l +',height=' + a);
};
function zoom(pagina, l, a)
{
	var posT;
	var posL;
	posT = (screen.height - a) / 2;
	posL = (screen.width - l) / 2;
	parent.NaviWin=window.open(pagina,'','toolbar=no,left=' + posL + ',top=' + posT + ',directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + l +',height=' + a);
};