function numbersonly(myfield, e, dec){
  var key, keychar;

  if (window.event)
	key = window.event.keyCode;
  else if (e)
	key = e.which;
  else
	return true;
  keychar = String.fromCharCode(key);

  // control keys
  if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
  return true;

  // numbers
  else if ((("0123456789").indexOf(keychar) > -1))
	return true;

  // decimal point jump
  else if (keychar == "."){
	return true;
  }
  else{
	alert("Please enter valid numeric characters only.  Example:  1000 or 1000.00 is valid.  $1000 or 1,000.00 is not valid.");
	return false;
  }
}

function checkKey(){
  var key = event.keyCode;
  if (key == 13){
	event.returnValue=false;
  }
} 
//-->