function showLog(elem)
{
	document.getElementById(elem).style.display = "";
	document.getElementById(elem + '_g').innerHTML = "<a href=\"javascript:hideLog('" + elem + "')\"><u>Hide</u></a>";
}

function hideLog(elem)
{
	document.getElementById(elem).style.display = "none";
	document.getElementById(elem + '_g').innerHTML = "<a href=\"javascript:showLog('" + elem + "')\"><u>Previous</u></a>";
}

function showUsers(elem)
{
	document.getElementById(elem).style.display = "";
}