<script language="javascript">
function showLayer(bShow)
{
document.all("dvLayer").style.display = bShow? "":"none";
}
function document.onclick()
{
if (event.srcElement.id == "dvLayer") return;
if (event.srcElement.tagName != "A" || event.srcElement.id != 'somelink')
{
showLayer(false);
}
}