/**
 * Login screen functions
 */
function fieldFocus() {
    document.forms.login.username.focus();
}
function submitform(elem,evt) {
    var frm = elem.form;

    if (! evt) { key = 0; return false; }

    key = evt.keyCode ? evt.keyCode : evt.which;
    if ( key != 13 ) { return false; }

    frm.submit();

    return false;
}

// execute fieldFocus on body load
window.onload = fieldFocus;