function login(loginForm) {
	var ChallengeForm = document.getElementById("hiddenform");
	
	if (loginForm.username.value == "") {
		alert("Je bent vergeten je gebruikersnaam in te vullen!");
		return false;
	}
	if (loginForm.password.value == "") {
		alert("Vul je wachtwoord in!");
		return false;
	}
	loginForm.response.value = loginForm.username.value+hex_md5(ChallengeForm.ChallengeString.value+hex_md5(loginForm.password.value+ChallengeForm.salt.value));
	//alert(loginForm.response.value);
	loginForm.password.value="";
	return true;
}

function ClearFormItem(formitem)
{
	formitem.value='';
}