/**
 * For dropDownControl
 * dropdown filter adapted from:
 *
 *  Author: Justin Whitford
 *  Source: www.evolt.org
 */
function filtery(event, pattern, list){
  key = getKeyCode(event);
  if (key == ENTER){
    return; 
  }
  for (n=0;n<list.length;n++){
    if(list[n].text.toLowerCase().indexOf(pattern.toLowerCase())==0){
      list.selectedIndex=n;
      found = true;
      break;
    }else
      found = false;
  }
}