function Greeting() {
var nt = new Date();
var hr = nt.getHours();
if( hr <= 1 ) { document.write('
'); }
else if( hr <= 3 ) { document.write('
'); }
else if( hr <= 5 ) { document.write('
'); }
else if( hr <= 7 ) { document.write('
'); }
else if( hr <= 9 ) { document.write('
'); }
else if( hr <= 11 ) { document.write('
'); }
else if( hr <= 12 ) { document.write('
'); }
else if( hr <= 13 ) { document.write('
'); }
else if( hr <= 15 ) { document.write('
'); }
else if( hr <= 17 ) { document.write('
'); }
else if( hr <= 19 ) { document.write('
'); }
else if( hr <= 21 ) { document.write('
'); }
else if( hr <= 23 ) { document.write('
'); }
}