JS bits for the Autocomplete HTML

autocomplete.js

Autocomplete.prototype.onTextBoxType = function(e) {
  // only show options if user typed something
  if(this.textBox.val().trim().length > 0) {
    // get options based on value
    var options = this.getOptions(this.textBox.val().
trim().toLowerCase());
  // build the menu based on the options
  this.buildMenu(options);
  // show the menu
  this.showMenu();
  // update the live region
  this.updateStatus(options.length);
 }
 // update the select box value which
 // the server uses to process the data
 this.updateSelectBox();
};

Autocomplete.prototype.onTextBoxKeyUp = function(e) {
switch (e.keyCode) {
case this.keys.esc:
case this.keys.up:
case this.keys.left:
case this.keys.right:
case this.keys.space:
case this.keys.enter:
case this.keys.tab:
case this.keys.shift:
// ignore these keys otherwise the menu will show briefly
break;
case this.keys.down:
this.onTextBoxDownPressed(e);
break;
default:
this.onTextBoxType(e);
}
};