function firstFormFieldFocus() 
{
    if (document.forms.length > 0) {
        var field = document.forms[0];
        for (i = 0; i < field.length; i++) {
            if ((field.elements[i].type == "text") || 
                (field.elements[i].type == "textarea") || 
                (field.elements[i].type.toString().charAt(0) == "s")) {
                document.forms[0].elements[i].focus();
                break;
            }
        }
    }
}

function confirmdelete() {
    msg = 'Weet u zeker dat u dit record wilt verwijderen?'
    return confirm(msg);
}