var base=0;
day = new Date( ); time = day.getHours( ); 

if (( time>=8) && (time < 10 ))
base=360;

if (( time>=10) && (time < 12 ))
base=830;

if (( time>=12) && (time < 14 ))
base=1310;

if (( time>=14) && (time < 16 ))
base=1640;

if (( time >= 16 ) && (time < 18))
base=1592;

if (( time >= 18 ) && (time < 20))
base=670;

if (( time >= 20 ) && (time < 22))
base=410;

if (( time >= 22) && (time < 24))
base=322;

if (( time >= 24) || (time < 8))
base=200;

x=parseInt(Math.random()*(time+1))+base; 
document.write('<span style="color:#CC0000">在线人数:'+x+'</span>');