var hoveringon = "";
function closeMenus()
{
 if (hoveringon=="")
 {
  document.getElementById('submenu_About_the_NSSE_Institute').style.visibility = "hidden";
  document.getElementById('submenu_Project_DEEP').style.visibility = "hidden";
  document.getElementById('submenu_BEAMS').style.visibility = "hidden";
  document.getElementById('submenu_Resources_and_Services').style.visibility = "hidden";
  document.getElementById('submenu_Papers_and_Presentations').style.visibility = "hidden";
  document.getElementById('submenu_Sharing_NSSE_Results').style.visibility = "hidden";
 }
}
function openMenu(m)
{
 closeMenus();
 document.getElementById(m).style.visibility = "visible";
 if (m=="submenu_Sharing_NSSE_Results")
 {
	 document.getElementById('submenu_Resources_and_Services').style.visibility = "visible";
 }
 enterMenu(m);
 hoveringon = m;
}
function enterMenu(m)
{
 hoveringon = m;
}
function leaveMenu()
{
 hoveringon = "";
 setTimeout("closeMenus()", 1000);
}