小通通

<script language="JavaScript">var enabled = 0;
function TOfunc() {
TO = window.setTimeout( "TOfunc()", 1000 );
var today = new Date();
document.clock.disp.value = today.toLocaleString();}
</script>
<form name="clock">
<input type="text" name="disp" value="" size=20 onFocus="this.blur()" >
<br><input type="radio" name="rad" value="OFF" checked onClick="
if( enabled==1 ) 
{document.clock.disp.value='';clearTimeout( TO );enabled = 0;}"> 关
<input type="radio" name="rad" value="on"onClick="if( enabled == 0 ) {var TO = setTimeout( 'TOfunc()', 1000 );enabled = 1;}"> 开
</form>