//  ---------------------------------------------------------------------------
//  Last Modified : 2007-07-16
//  Author: Dr. Detlef Groth
//  Modified by: Dr. Horst Walther
//  Event Utilities 
//  ---------------------------------------------------------------------------

//  ---------------------------------------------------------------------------
function evtGetTarget(evt) {
  var elem ;
  if (evt.target) {
      elem = (evt.target.nodeType == 3) ? evt.target.parentNode : evt.target ;
  } else {
      elem = evt.srcElement ;
  }
  return elem ;
}

//  ---------------------------------------------------------------------------
//  more efficient to construct the functions ones, thanks to Dean Edwards http://dean.edwards.name/
//  ---------------------------------------------------------------------------
if (document.addEventListener) var evtAdd = function(element, type, handler) {element.addEventListener(type, handler, null)}; // ; traceln (element.id+', '+element.innerHTML+', '+element.onmouseover)};
else 
  if (document.attachEvent) var evtAdd = function(element, type, handler) {element.attachEvent("on" + type, handler)};
  else 
    alert("evtAdd: Your browser is not supported!");