select name="select2" size="1" onChange="updateclock(this);">

<option value="" selected>Budapest</option>

<option value="0">London GMT</option>

<option value="1">Róma</option>

<option value="7">Bangkok</option>

<option value="8">Hong Kong</option>

<option value="9">Tokió</option>

<option value="7">Peking</option>

<option value="10">Sydney</option>

<option value="12">Fiji</option>

<option value="-10">Hawaii</option>

<option value="-8">San Francisco</option>

<option value="-5">New York</option>

<option value="-3">Buenos Aires</option>

</select>

<script language="JavaScript" type="text/JavaScript">

if (document.all||document.getElementById)

document.write('<br /><span id="worldclock" style="font:bold size="4" Times New Roman;"><br />')

zone=0;

isitlocal=true;

ampm='';

function updateclock(z){

zone=z.options[z.selectedIndex].value;

isitlocal=(z.options[0].selected)?true:false;

}

function WorldClock(){

now=new Date();

ofst=now.getTimezoneOffset()/60;

secs=now.getSeconds();

sec=-1.57+Math.PI*secs/30;

mins=now.getMinutes();

min=-1.57+Math.PI*mins/30;

hr=(isitlocal)?now.getHours():(now.getHours() + parseInt(ofst)) + parseInt(zone);

hrs=-1.575+Math.PI*hr/6+Math.PI*parseInt(now.getMinutes())/360;

if (hr < 0) hr+=24;

if (hr > 23) hr-=24;

ampm = (hr > 23)?"":"";

statusampm = ampm.toLowerCase();

hr2 = hr;

if (hr2 == 0) hr2=24;

if (hr2<10) hr2="0"+hr2

var finaltime=hr2+':'+((mins < 10)?"0"+mins:mins)+':'+((secs < 10)?"0"+secs:secs)+' '+statusampm;

if (document.all)

worldclock.innerHTML=finaltime

else if (document.getElementById)

document.getElementById("worldclock").innerHTML=finaltime

else if (document.layers){

document.worldclockns.document.worldclockns2.document.write(finaltime)

document.worldclockns.document.worldclockns2.document.close()

}

setTimeout('WorldClock()',1000);

}

window.onload=WorldClock

//-->

</script>