function switchchecked( formname, elementname, checked ) {
    for ( j = 0; j < document.forms.length; j++ ) {
        if ( document.forms[j].name == formname ) {
            form = document.forms[j];
            for ( i = 0; i < form.elements.length; i++ ) {
                if ( form.elements[i].name == elementname ) {
                    form.elements[i].checked = checked;
                }
            }
        }
    }
}

function switchradio( formname, elementname, checkedvalue ) {
    for ( j = 0; j < document.forms.length; j++ ) {
        if ( document.forms[j].name == formname ) {
            form = document.forms[j];
            for ( i = 0; i < form.elements.length; i++ ) {
                if ( form.elements[i].name == elementname ) {
                   form.elements[i].checked = form.elements[i].value == checkedvalue;
                }
            }
        }
    }
}