function CheckForm() {

	var errorMsg = "";
	var errorMsgLong = "";
	
	if (document.MailForm.Subject.value.length < 2) {
		errorMsg += "\n\tOnderwerp \t\t- Vul een Onderwerp in";
    } 
	
	if (document.MailForm.Comment.value.length < 2) {
		errorMsg += "\n\tOpmerking \t- Vul uw Opmerking in";
    } 
	
	if ((errorMsg != "") || (errorMsgLong != "")){
		msg = "_____________________________________________________________________\n\n";
		msg += "Er zijn problemen geconstateerd met één of meerdere invulvelden\n";
		msg += "_____________________________________________________________________\n\n";
		msg += "U dient de volgende velden nog in te vullen: -\n";
		
		errorMsg += alert(msg + errorMsg + "\n\n" + errorMsgLong);
		return false;
	}
	

	return true;
}