function getLinksByClassName(clsName) { 
  var arr = new Array(); 
  var elems = document.getElementsByTagName("a");
    for ( var cls, i = 0; ( elem = elems[i] ); i++ )	{
      if ( elem.className == clsName ) {
        arr[arr.length] = elem;
      }
    }
  return arr;
}
function toggleAllSkipLinks() {
  allLinks = getLinksByClassName('showLink');
  for(var i=0; i<allLinks.length; i++) {
    toggleSkip(allLinks[i]);
  }
}
function toggleSkip(currentLink){
  currentLink.className = (currentLink.className == 'skipLink' ? 'showLink' : 'skipLink');
}