function enter_key_trap(e)
{
    var keyPressed;

    if (document.layers) { keyPressed = String.fromCharCode(e.which); } 
	else if (document.all) { keyPressed = String.fromCharCode(window.event.keyCode); } 
	else if (document.getElementById) { keyPressed = String.fromCharCode(e.keyCode); }

    if ((keyPressed == "\r" || keyPressed == "\n")) 
	{
		document.form.submit();
    }
}