// Global variables
var curCal = "RE";
var curPgm = "ED";
var curLdr = "LT";

// Gets the selected calendar.
function showCalendar(calId)
{
   var newCal = document.getElementById(calId);
   var oldCal = document.getElementById(curCal);

   // Show new calendar.
   oldCal.style.display = "none";
   newCal.style.display = "block";

   curCal = calId;
}

// Gets the selected program.
function showProgram(pgmId)
{
   var newPgm = document.getElementById(pgmId);
   var oldPgm = document.getElementById(curPgm);

   // Hide old program.
   oldPgm.style.display = "none";

   // Show new program.
   newPgm.style.display = "block";

   curPgm = pgmId;
}

// Gets the selected regional leadership.
function showLeadership(ldrId)
{
   var newLdr = document.getElementById(ldrId);
   var oldLdr = document.getElementById(curLdr);

   // Show new leadership tab.
   oldLdr.style.display = "none";
   newLdr.style.display = "block";

   curLdr = ldrId;
}