function showFfile(){
document.write('\n');
document.write(' \n');
}
function showTWPfile(){
document.write('\n');
document.write(' \n');
}
function showTWSNMPfile(){
document.write('\n');
document.write(' \n');
}
function showTWFMfile(){
document.write('\n');
document.write(' \n');
}
function showTWLINUXfile(){
document.write('\n');
document.write(' \n');
}