function vis_menu(elm)
{
    var el = document.getElementById(elm);
    el.style.display = 'block';
}

function hid_menu(elm)
{
    var el = document.getElementById(elm);
    el.style.display = 'none';
}

function wi(url, width, height)
{
	width += 50; height += 50;
	window.open(url, 'foto', 'width='+width+', height='+height+', toolbar=no, location=no, resizable=yes, scrollbars=yes, top=100, left=100');
	return false; 
}

function adv(uri)
{
	window.open(uri, "page", "menubar=yes, location=yes, status=no, toolbar=yes, scrollbars=yes, resizable=yes");
	return false; 
}

function w(uri)
{
	var result = adv(uri);
	return result;
}