116、倒计时显示器

116、倒计时显示器

脚本说明:

把如下代码加入<body>区域中

<SCRIPT LANGUAGE="JavaScript">

 

<!-- Begin

// Take user here after session timed out

timedouturl = "http://www.7stk.com";

 

function Minutes(data) {

for (var i = 0; i < data.length; i++)

if (data.substring(i, i + 1) == ":")

break;

return (data.substring(0, i));

}

function Seconds(data) {

for (var i = 0; i < data.length; i++)

if (data.substring(i, i + 1) == ":")

break;

return (data.substring(i + 1, data.length));

}

function Display(min, sec) {

var disp;

if (min <= 9) disp = " 0";

else disp = " ";

disp += min + ":";

if (sec <= 9) disp += "0" + sec;

else disp += sec;

return (disp);

}

function Down() {

sec--;      

if (sec == -1) { sec = 59; min--; }

document.timerform.clock.value = Display(min, sec);

window.status = "Session will time out in: " + Display(min, sec);

if (min == 0 && sec == 0) {

alert("Your session has timed out.");

window.location.href = timedouturl;

}

else down = setTimeout("Down()", 1000);

}

function timeIt() {

min = 1 * Minutes(document.timerform.clock.value);

sec = 0 + Seconds(document.timerform.clock.value);

Down();

}

//  End -->

</script>

<center>

<form name="timerform">

<input type="text" name="clock" size="7" value="2:00"><p>

</form>

</center>

 

 

第二步:把<body>区域中的内容改为

<body bgcolor="#fef4d9" OnLoad="timeIt()">

 

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