     
<!--
function greeting() {
Now = new Date()
Hour = Now.getHours();
if (Hour < 3)
msg ="Je čas jít spinkat. Dobrou noc,"
else if(Hour < 9)
msg ="Dobré jitro, přejí hezký den,"
else if(Hour < 18)
msg ="Dobrý den,&nbsp;"
else if (Hour < 24)
msg ="Dobrý večer,&nbsp;"
return( msg )
}
document.write(greeting())

//-->