147、自动显示是否更新

147、自动显示是否更新

脚本说明:

把如下代码加入<body>区域中

 

<TABLE border=2 cellspacing=0 cellpadding=3>

<TR><TD bgcolor="#000044">

<FONT color="#4400ff" face=georgia,arial size=+1>

<CENTER>

<SCRIPT LANGUAGE="JavaScript">

<!--

document.write(document.title);

//-->

</SCRIPT>

</TD></TR>

<TR><TD bgcolor="#440000">

<FONT size=-1 color="#ff0000" face="trebuchet MS","arial">

<FONT color="#ff8800">Born on:</font>

 

 

 

September 25, 1997

 

<br>

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

function getCookieVal (offset) {

var endstr = document.cookie.indexOf (";", offset);

if (endstr == -1)

endstr = document.cookie.length;

return unescape(document.cookie.substring(offset, endstr));

}

function GetCookie (name) {

var arg = name + "=";

var alen = arg.length;

var clen = document.cookie.length;

var i = 0;

while (i < clen) {

var j = i + alen;

if (document.cookie.substring(i, j) == arg)

return getCookieVal (j);

i = document.cookie.indexOf(" ", i) + 1;

if (i == 0) break;

}

return null;

}

function SetCookie (name, value) {

var argv = SetCookie.arguments;

var argc = SetCookie.arguments.length;

var expires = (argc > 2) ? argv[2] : null;

var path = (argc > 3) ? argv[3] : null;

var domain = (argc > 4) ? argv[4] : null;

var secure = (argc > 5) ? argv[5] : false;

document.cookie = name + "=" + escape (value) +

((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +

((path == null) ? "" : ("; path=" + path)) +

((domain == null) ? "" : ("; domain=" + domain)) +

((secure == true) ? "; secure" : "");

}

function DeleteCookie(name) {

var exp = new Date();

FixCookieDate (exp);

exp.setTime (exp.getTime() - 1);

var cval = GetCookie (name);

if (cval != null)

document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();

}

var cookie_date=new Date(document.lastModified);

var expdate = new Date();

expdate.setTime(expdate.getTime()+(5*24*60*60*1000));

document.write("<Font color=ff8800>" + "Last updated: "+ "</font>" +document.lastModified);

document.write("");

if (!(cookie_date == GetCookie("cookie_date"))){

SetCookie("cookie_date",cookie_date,expdate);

document.write("<font color='yellow'><br>Site has changed since last visit!</font><br>");

}

// End -->

</SCRIPT>

</FONT>

</TD></TR>

</TABLE>

</CENTER>

 

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