//
// This strictly has nothing to do with forms,
// but its intention is to detect ENTER keypresses in a form text input.
//
// Returns true, if e recorded an ENTER keypress.
// Returns false otherwise.
//
function isEnterKeyPressed(e) {
	var keycode;
		
	if (window.event) {
		keycode = window.event.keyCode;
	} else if (e) {
		keycode = e.which;
	} else {
		// Does not recognize keypress event.
		// Default is false.
		return false;
	}
	
	if (keycode == 13) {
	   return true;
	} else {
	   return false;
	}
}