function changeMenu(menuItem){
    var subNavList = Array("homeNav","footballNav","recruitingNav","mbballNav","wbballNav","hockeyNav","olympicNav","advertNav");
    i=0;
    while (i<subNavList.length){
      var menuTab = document.getElementById(subNavList[i].substr(0,(subNavList[i].length-3)));
      if (subNavList[i]!=menuItem){
        menuTab.className="inactiveTab";
        document.getElementById(subNavList[i]).style.display="none";
      } else {
        menuTab.className="activeTab";
        document.getElementById(subNavList[i]).style.display="block";
	  }
      i++;
    }
  }