停留时间

您在此已经停留了

下面看看源代码吧：


<HTML>
<HEAD>
<TITLE>停留时间</TITLE>
</HEAD>

<BODY onLoad="window.setTimeout('show_secs()',1);">

<SCRIPT LANGUAGE="JAVASCRIPT">
<!-----------
var enable=0; today=new Date();
var day; var date;
var time_start = new Date();
var clock_start = time_start.getTime();
function get_time_spent ()
{
var time_now = new Date();
return((time_now.getTime() - clock_start)/1000);
}

function show_secs () // show the time user spent on the side
{
var i_total_secs = Math.round(get_time_spent());
var i_secs_spent = i_total_secs % 60;
var i_mins_spent = Math.round((i_total_secs-30)/60);
var s_secs_spent = "" + ((i_secs_spent>9) ? i_secs_spent : "0" + i_secs_spent);
var s_mins_spent = "" + ((i_mins_spent>9) ? i_mins_spent : "0" + i_mins_spent);
document.fm0.time_spent.value = s_mins_spent + ":" + s_secs_spent;
window.setTimeout('show_secs()',1000);
}
//-->
</SCRIPT>
<FORM name="fm0" onSubmit="0">您在此已经停留了
<INPUT type="text" name="time_spent" size=7 onFocus="this.blur()"></FORM>
</BODY>
</HTML>