// JavaScript Document
function showSubbar(n) {
  var l = 3; //number of subbars
  for (var i = 1; i <= l; i++) {
    var e = 'subbar' + i; // getting element name
	document.getElementById(e).style.display = (n == i)? 'block' : 'none';
  }
}
function showTab(d, t) { // d = tab to display, t = total tabs
  for (var i = 1; i <= t; i++) {
    var n = 'navTab' + i; // navigation tab
	var e = 'tab' + i; // content tab
	if (d == i) { // if this is the tab to display
	  document.getElementById(n).className = 'selectedTab';
	  document.getElementById(e).style.display = 'block';
	} else { // if this NOT to be displayed
	  document.getElementById(n).className = '';
	  document.getElementById(e).style.display = 'none';
	}
  }
}