function resetMCTabNav()
{
 var mediaLaunchNav = document.getElementById("mediaLaunchNav");
 var anchorClasses = ["mediaCenter", "announcements"];
 var anchors = mediaLaunchNav.getElementsByTagName("a");
 
 for (var i = 0; i < anchors.length; i++)
 {
  anchors[i].className = anchorClasses[i];
 }
 
 return true;
}

function mCTabNav(theId)
{
 var mediaLaunchNav = document.getElementById("mCInactive");
 var anchors = mediaLaunchNav.getElementsByTagName("a");
 resetMCTabNav();
 document.getElementById(theId).className += "Active";
 if (theId == "mediaCenterAnchor")
 {
  document.getElementById("announcementsContainer").style.display = "none";
  document.getElementById("mCInactive").style.display = "none";
  document.getElementById("mediaLaunchImg").style.display = "block";
  document.getElementById("mCActive").style.display = "inline";
 }
 
 else
 {
  document.getElementById("mediaLaunchImg").style.display = "none";
  document.getElementById("mCActive").style.display = "none";
  document.getElementById("announcementsContainer").style.display = "block";
  document.getElementById("mCInactive").style.display = "inline";
  changeAnnouncement(curAnnouncement);
  sizeScroller();
  
  if(nvAnCount > 1)
  {
	  anchors[1].onclick = function()
	  {
	   NextAnnouncement();
	   return false;
	  };
	  anchors[1].firstChild.src = "images/rewindActive.jpg";	  
  }
}
 
 return true;
}

function initMCTabNav()
{
 var mediaLaunchNav = document.getElementById("mediaLaunchNav");
 var anchors = mediaLaunchNav.getElementsByTagName("a");
 
 for (var i = 0; i < anchors.length; i++)
 {
  anchors[i].onclick = function()
  {
   mCTabNav(this.getAttribute("id"));
   
   return false;
  };
 }
 
 return true;
}

addLoadListener(initMCTabNav, false);