// xAddEventListener r8, Copyright 2001-2007 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xAddEventListener(e,eT,eL,cap)
{
  if(!(e=xGetElementById(e)))return;
  eT=eT.toLowerCase();
  if(e.addEventListener)e.addEventListener(eT,eL,cap||false);
  else if(e.attachEvent)e.attachEvent('on'+eT,eL);
  else {
    var o=e['on'+eT];
    e['on'+eT]=typeof o=='function' ? function(v){o(v);eL(v);} : eL;
  }
}