function show(element) {document.getElementById(element).style.display='block';}
function hide(element) {document.getElementById(element).style.display='none';}

function showSubMenu(menuItem)
{
 currentlyShowing = true
 hideAllSubMenus();
 show('subMenu'+menuItem);
}

function hideSubMenu(menuItem)
{
 currentlyShowing = false;
 setTimeout("if(currentlyShowing == false) {hideAllSubMenus();}",1000);
}

function hideAllSubMenus()
{
 hide('subMenuClubDiary');
 hide('subMenuOpenComps');
 hide('subMenuProfessional');
 hide('subMenuJuniors');
 hide('subMenuTheCourse');
}