//ABOUT SECTION ONLY - controls About section left nav
function aboutLeftNav(section) {
  var singleLIA = document.getElementById(section).childNodes[0];
  var subMenu = document.getElementById(section).childNodes[2];
  var currentWindow = window.location.href;
	var menuDiv = document.getElementById('adNav');
  var anchorTags = menuDiv.getElementsByTagName("a");
  
  //highlight sub-page in which URL does not match link to be highlighted
  switch (currentWindow) {
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_whysnacks.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why2.html';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_whyshuteye.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why3.html';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_WhyXMRadio.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why8.html';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_WhyMoviesandMore.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why9.html';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_betablue.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why10.html';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/about_WhyWireless.html':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why10.html';
    break;
  case 'http://hola.jetblue.com/enes/green/footprint.asp':
    currentWindow = 'http://hola.jetblue.com/enes/green/whatweredoing.asp';
    break;
  case 'http://hola.jetblue.com/enes/green/onething.asp':
    currentWindow = 'http://hola.jetblue.com/enes/green/whatweredoing.asp';
    break;
  case 'http://hola.jetblue.com/enes/about/whyyoulllike/directv/guide/TribuneTVFront/':
    currentWindow = 'http://hola.jetblue.com/enes/about/whyyoulllike/about_why7.html';
    break;
  case 'http://hola.jetblue.com/enes/about/jfk/events.asp?intcmp=HPLive-at-T520090625':
    currentWindow = 'http://hola.jetblue.com/enes/about/jfk/events.asp';
    break;
  }
    
  //Make the correct sub-UL visible based on parameter passed in onLoad handler
  if (subMenu) {subMenu.style.display = 'block';}
    
  //apply selected class to childless LIs
  singleLIA.className='selected';
  
  //Highlight selected nav item based on URL of page
  for (var i = 0; i < anchorTags.length ; i++) {
    if (anchorTags[i].href == currentWindow) {
	  anchorTags[i].style.fontWeight = 'bold';
	  anchorTags[i].style.color = '#004a91';
    }	
  }
}