function entsub(e,loginForm) {
  //isNetscape=(document.layers);
  //keyStroke = eventChooser = (isNetscape)?event.which:window.event.keyCode;
  //keyStroke = (window.Event)? window.event.keyCode:event.which;
  var characterCode //literal character code will be stored in this variable

  if(e && e.which){ //if which property of event object is supported (NN4)
	e = e
	characterCode = e.which //character code is contained in NN4's which property
  }
  else{
	e = event
	characterCode = e.keyCode //character code is contained in IE's keyCode property
  }

  if (characterCode == 13){
  //if (event && event.which == 13)
    loginForm.submit();
	return false;
  }
  else {
    return true;
  }	
}