function checklogin(fl)
{
	var un = Trim(fl.username.value);
	if (fl.username.value == "Angi Brukernavn")
	{
		alert("Fyll inn brukernavn.");
		fl.username.value = '';
		fl.username.focus();
		return false;
	}
	if(un.length < 1)
	{
		alert("Fyll inn brukernavn.");
		fl.username.value = '';	
	    fl.username.focus();
		return false;
	}
	if (fl.password.value == "Passord")
	{
		alert("Angi passord.");	
	    fl.password.value = '';
        fl.password.focus();
		return false;
	}
	var psw = Trim(fl.password.value);
	if(psw.length < 1)
	{
	    alert("Angi passord.");	
	    fl.password.value = '';
		fl.password.focus();
		return false;
	}
}