var otherStuff = {
  
  
  
   "Search Engine" : [ "Select One", "Google", "Yahoo", "Msn", "Ask", "Aol", "AllTheWeb","AltaVista","Gigablast","LookSmart","Netscape","Live","HotBot" ],
   "Friend Referral" : [ "Name of Friend" ],
   "Clients Referral" : [ "Name of Client" ],
   "Travel Agent" : [ "Name of Travel" ],
   "Guide Book" : [ "Name of Book" ],
   "Newspaper" : [ "Name of Newspaper" ],
   "E-newsletter" : [ "When was that sent " ],
   "Brochure" : [ "Related to" ],
   "Link To This Site" : [ "Which One" ],
   "Slide Show" : [ "Location & Season" ],
   "Trade Show" : [ "Location & Season" ]
  
    
  
};

function selectAll(listName, selected) {
  var listBox = document.getElementById(listName);
  for(i=0; i<listBox.length; i++) {
    listBox.options[i].selected=selected;
  }
  if( listBox.onchange ) {
    listBox.onchange();
  }
}

function lstStuff_OnChange() {
  var listBox = document.getElementById("selhowdid");
  var subListBox = document.getElementById("txtSource");
  subListBox.options.length=0;
  for(i=0; i<listBox.length; i++) {
    if( listBox.options[i].selected ) {
      var key = listBox.options[i].text;
      if(otherStuff[key]) {
        for(j=0; j<otherStuff[key].length; j++) {
        subListBox.options.add(new Option(otherStuff[key][j],otherStuff[key][j]));
        }
      }
    }
  }
}