function DoNothing( ) { }

function showmenuAbout( ) {
   document.getElementById('aboutMenu').style.visibility = "visible";
}


function hidemenuAbout( ) {
   document.getElementById('aboutMenu').style.visibility = "hidden";
}

function showmenuProducts( ) {
   document.getElementById('ProductMenu').style.visibility = "visible";
   document.getElementById('aboutMenu').style.visibility = "hidden";
}


function hidemenuProducts( ) {
   document.getElementById('ProductMenu').style.visibility = "hidden";
}

function openCenterWindow( url, wd, ht, scroll ) {
  d = ( screen.width - wd )/2;
  h = ( ( screen.height-ht )/2 );

  window.open(url,'','top=' + h + ',left=' + d + ',width=' + wd + ',height=' + ht + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=' + scroll + '').focus();
}

function ValidateSendForm( form ) {

  if( !form.formFname.value ) {
    alert('Please Fill First Name');
    form.formFname.focus();
    return false;
  }
  if( !form.formAddress.value ) {
    alert('Please Fill Address');
    form.formAddress.focus();
    return false;
  }
  if( !form.formEmail.value ) {
    alert('Please Fill Email');
    form.formEmail.focus();
    return false;
  }

  /// Email validation
  if( !validate ( form, 'formEmail', "[a-zA-Z0-9\-_.]+@[a-zA-Z0-9\-_.]+", 'Please Enter A Correct E-mail Address' ) ) return false;


  form.submit();
}

function validate( frm, fld, reg, msg )  {
    eval( 'field=frm.' + fld );
    field_value=field.value;
    if(field_value.match(reg)!=field_value) {
      alert ( msg );
      field.focus();
      return false;
    };
    return true;
}

function homepage_DoFSCommand( cmd, param ) {
  location.href = './' + cmd + '.html';
}