I've found the solution, for all the people who have the same problem.
RadioButtons are managed in an Array, see example on
http://tech.irt.org/articles/js027/index.htm
false: field_descr[i] = document.fdbk_form.elements['field_value'+i].value;
true: field_value[i] = document.fdbk_form.elements['field_value'+i]
[j].value;
> Hi, i've wrote a javascript for forms. So there is the new_edit.jsp
(like
> html) and a Javascript-File on which it depends. Whitout the
RadioButtons
> the form does work, but if i want to include them like in the following
> files I will recieve in netscape the error:
>
> JavaScript Error:
> http://abc.com/form.js,
> line 58:
> field_value[i] has no properties.
>
> In the Internet Explorer:
> Line: 57
> Error: ?length? is not an object
>
> Can you help me? Thanks & Excuse my real bad English.
>
> Alain
>
> new_edit.jsp:
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> <html>
> <head>
> <meta NAME="content-language" content="en"/>
> <SCRIPT LANGUAGE="JavaScript" SRC="form.js"></SCRIPT>
> <NOSCRIPT><link REL="stylesheet" HREF="/css/font.css"></NOSCRIPT>
> </head>
> <body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0"
> bgcolor="#FFFFFF" link="#666666" VLINK="#666666" ALINK="#666666"
> onLoad="MM_preloadImages('/images/logo_claim.gif')">
> <TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 VSPACE="0" HSPACE="0">
> <TR>
> <TD ALIGN=LEFT VALIGN=BOTTOM colspan="4"> <IMG
> SRC='images/title_feedback_form.gif' WIDTH='800' HEIGHT='40'></TD>
> </TR>
> </table>
> <table BORDER=0 CELLSPACING=0 CELLPADDING=0 VSPACE="0" HSPACE="0">
> <tr>
> <td ><img src="images/uspacer.gif" width="182" height="5"
> border="0"></td>
> <td bgcolor="#6699FF" width="1"><img src="/images/uspacer.gif"
> width="1" height="1"></td>
> <td ><img src="images/uspacer.gif" width="10" height="5"
> border="0"></td>
> <td width="520">
> <form method='get' name='fdbk_form'>
> <br>
> <p>Surname:
> <input type='hidden' name='field_descr1' value='Surname:'>
> <br>
> <input type='text' name='field_value1' size='25'
maxlength='25' >
> </p>
> <p>Name:
> <input type='hidden' name='field_descr2' value='Name:'>
> <br>
> <input type='text' name='field_value2' size='25'
maxlength='25' >
> </p>
> <p>Rating:
> <input type='hidden' name='field_descr3' value='Rating:'>
> <br>
> <input type='radio' name='field_value3' value='excellent'>
> excellent <br>
> <input type='radio' name='field_value3' value='well'>
> well <br>
> </p>
> <p>E-Mail:
> <input type='hidden' name='field_descr4' value='E-Mail:'>
> <br>
> <input type='text' name='field_value4' size='50'
maxlength='70' >
> </p>
> <p>Feedback:
> <input type='hidden' name='field_descr5' value='Feedback:'>
> <br>
> <textarea name='field_value5' cols='55' rows='5'></textarea>
> </p>
> <p> <a href="javascript:submit_check()"><img
> src='images/submit.gif' width='60' height='25'
> border='0'></a>
> <a href="javascript:document.fdbk_form.reset()"><img
> src="images/clear.gif" width="60" height="25" border="0"></a>
> <input type="hidden" name="cycle">
> <input type="hidden" name="subject">
> <input type="hidden" name="start">
> </p>
> </form>
> </td>
> <td bgcolor="#6699FF" width="1"><img src="/images/uspacer.gif"
> width="1" height="1"></td>
> </tr>
> </table>
> </body>
> </html>
>
//------------------------------------------------------------------------
>
> form.js:
>
> <!--
> function submit_check() {
>
> var temp = null;
> var subject_temp = null;
>
> i = 1;
> while (document.fdbk_form.elements['field_descr'+i]){
> // max. Anzahl Felder bestimmen
> i++;
> }
> cycle = i;
>
> this.document.fdbk_form.cycle.value = cycle;
>
> if (location.search.length > 0) {
> temp = unescape(location.search.substring(1));
> subject_temp = temp.substring(8);
> }
>
> if (temp != null) {
> this.document.fdbk_form.subject.value = subject_temp;
> if (document.referrer != '') {
> this.document.fdbk_form.start.value =
> document.referrer;
> }
> }
>
>
> var version = parseFloat (navigator.appVersion);
> if (navigator.appName.indexOf('Microsoft') != -1) {
> if ( version >= 5.0 || navigator.appVersion.indexOf(5.0) !
> = -1) {
> other();
> }
> else {
> ie4();
> }
> }
> else {
> other(); // or ie4() for testing preiview
> function
> }
> }
>
> function ie4() {
> var ok;
> var field_descr = new Array(i);
> var field_value = new Array(i);
>
> var confirm_content = "";
> var new_line = "\n";
> var confirm_text = "Please confirm:";
> var dots = " ...";
>
> i = 1;
> // i wieder auf 1 setzen
> for (i=1; i <= cycle; i++) {
> if(document.fdbk_form.elements['field_descr'+i]){
> field_descr[i] = document.fdbk_form.elements
> ['field_descr'+i].value;
> field_value[i] = document.fdbk_form.elements
> ['field_value'+i].value;
> if(document.fdbk_form.elements['field_value'+i]){
> if (field_value[i].length > 55) {
> if (field_value[i].length > 500) {
> field_value[i] =
> field_value[i].substring(0,500);
> field_value[i] =
> new_line.concat(field_value[i],dots);
> }
> else {
> field_value[i] =
> new_line.concat(field_value[i]);
> }
> }
> }
> confirm_content = confirm_content.concat
> (field_descr[i], " ", field_value[i], new_line, new_line);
> }
> }
>
> ok = confirm(confirm_text.concat(new_line, new_line,
> confirm_content));
> if (ok == true) {
> this.document.fdbk_form.action =
> "/applications/feedback/send.jsp";
> document.fdbk_form.submit();
> }
> }
>
> function other() {
> this.document.fdbk_form.action =
> "/applications/feedback/new_conf.jsp"
> document.fdbk_form.submit(); }
> //-->
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