window.onload=show_sublist;

function show_sublist(id)
{
	var d = document.getElementById(id);

	for (var i = 1; i<=5; i++)
	{
		if (document.getElementById('sublist'+i)) 								{document.getElementById('sublist'+i).style.display='none';}
	}
	if (d) {d.style.display='block';}
}