<SCRIPT language=JavaScript>function Ichange(){
srcvalue=document.form1.field2.value; srclen=srcvalue.length;
document.form1.field1.value="长度为:"+srclen;
}
</SCRIPT>
<form name=form1>
<textarea id=field2 name="field2" Onkeyup="javascript:Ichange()"></textarea>
<INPUT id=field1 name=field1>
</form>
srcvalue=document.form1.field2.value; srclen=srcvalue.length;
document.form1.field1.value="长度为:"+srclen;
}
</SCRIPT>
<form name=form1>
<textarea id=field2 name="field2" Onkeyup="javascript:Ichange()"></textarea>
<INPUT id=field1 name=field1>
</form>
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<html><body>
<!--
save as test.htm
-->
<SCRIPT src="./dcookie.js"></SCRIPT>
<FORM name=frmAnnounce onsubmit="return chkSubmit()" action=SaveAnnounce.asp
method=post encType=multipart/form-data><SCRIPT language=javascript>
function changeHints(){
var l=strlength(document.frmAnnounce.subject.value)
document.all("hints").innerHTML="已经输入"+l+"字节" return true
}
</SCRIPT><INPUT onkeydown="return changeHints()" onkeyup="return changeHints()" maxLength=255 size=40 name=subject> (<SPAN
id=hints color="red">已经输入0字节</SPAN>)
</body></html>以下内容存为dcookie.js
var expireDate;
function getCookie(name){
var cname = name + "=";
var dc = document.cookie;
if (dc.length > 0) {
begin = dc.indexOf(cname);
if (begin != -1) {
begin += cname.length;
end = dc.indexOf(";", begin);
if (end == -1) end = dc.length;
return unescape(dc.substring(begin, end)); }
}
return "";
} function saveStorageCookie(NameStorage){
expireDate = new Date;
if (expireDate.getYear() < 100) {
expireDate.setYear(expireDate.getYear() + 1900 + 1);
} else {
expireDate.setYear(expireDate.getYear() + 1);
}
document.cookie = "NameStorage=" + NameStorage + ";expires=" + expireDate.toGMTString() + ";";
}
function getAnnounceCookie(){
var dc = document.cookie;
//var name = getCookie("name");
//var pwd = getCookie("passwd");
//var email=getCookie("email")
var signature=getCookie("signature")
var emote=getCookie("emote")
if (document.cookie) {
if (name == null) {
//document.frmAnnounce.name.focus();
} else {
//document.frmAnnounce.name.value = getCookie("name");
//document.frmAnnounce.passwd.value = getCookie("passwd")+"";
//document.frmAnnounce.email.value = getCookie("email");
if (signature == "use") {
document.frmAnnounce.chkSignature.checked = true;
}
for (var j=0;j<document.frmAnnounce.emote.length;j++){
if (emote==document.frmAnnounce.emote[j].value){
document.frmAnnounce.emote[j].checked = true;
}
}
//document.frmAnnounce.subject.focus();
}
} else {
//document.frmAnnounce.name.focus();
}
}
function strlength(str){
var l=str.length;
var n=l
for (var i=0;i<l;i++)
{
if (str.charCodeAt(i)<0||str.charCodeAt(i)>255) n++
}
return n
}