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<DIV><FONT face=Arial size=2>My best guess by looking at that and your
brief description is that the field parameter being passed into the check()
function is not a field as it expects, but rather a pointer to a form
object. form.length is not a property, but forms.length is.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>And after looking a little closer, I don't even see
a <form> element so maybe that's your problem.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Chris Tifer</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=samyuktaakunuru@yahoo.com
href="mailto:samyuktaakunuru@yahoo.com">Samyukta Akunuru</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=javascript@laTech.edu
href="mailto:javascript@laTech.edu">javascript@laTech.edu</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, March 02, 2004 9:32
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Javascript] struts form using
javascript code</DIV>
<DIV><BR></DIV>
<DIV>Hi</DIV>
<DIV>Code below gives me :form.length is null or not an object.</DIV>
<DIV>Any tips appreciated.</DIV>
<DIV>Tahns</DIV>
<DIV> </DIV>
<DIV><%@ page language="java"%><BR><%@ taglib
uri="/WEB-INF/struts-html.tld" prefix="html" %><BR><%@ taglib
uri="/WEB-INF/struts-bean.tld" prefix="bean" %><BR><%@ taglib
uri="/WEB-INF/struts-logic.tld" prefix="logic" %></DIV>
<DIV><BR><html><BR><head></DIV>
<DIV><style><!--<BR>body,td,a,p,.h{font-family:times new
roman,arial,sans-serif;}<BR>.h{font-size: 20px;}<BR>.q{text-decoration:none;
color:#0000cc;}<BR>//--><BR></style><BR><%
com.dynetics.gmpm.rad.Principal pl = (com.dynetics.gmpm.rad.Principal)
session.getAttribute("principal");<BR>if(pl != null)System.out.println("***
principal is not null");<BR>
if(pl == null) {<BR>
%><BR>
<jsp:forward
page="logout.jsp"/><BR>
<%<BR>
}<BR>
com.dynetics.gmpm.rad.PrincipalHolder.setPrincipal(pl);<BR>
%></DIV>
<DIV><SCRIPT LANGUAGE="JavaScript"><BR>var checkflag =
"false";<BR>function check(field) {<BR>if (checkflag == "false") {<BR>for (i =
0; i < field.length; i++) {<BR>field[i].checked = true;}<BR>checkflag =
"true";<BR>return "Uncheck All"; }<BR>else {<BR>for (i = 0; i <
field.length; i++) {<BR>field[i].checked = false; }<BR>checkflag =
"false";<BR>return "Check All"; }<BR>}</DIV>
<DIV> </DIV>
<DIV>function set(target)
{document.forms[0].dispatch.value=target;}<BR></script></DIV>
<DIV></head></DIV>
<DIV><body><BR><table border="0" width="100%"><BR>
<tr><BR> <td bgcolor="00007D"
align="center"><BR> <font color=white
size="6"><b><u>Drivers</u></b></font><BR>
</td><BR></tr><BR></table><BR><table><BR>
<tr><BR><td align="right"><BR>
<input type="hidden"
name="finalDeleteArray"<BR>
value="return
getCheckedItems();"><BR>
<input type="button" name="Delete" value= "Delete"
onClick="getCheckedItems()"> <BR>
</td><BR> <td
align="right"><BR> <a
href="driver_new.jsp" target="frame_main"><input type="button"
name="Add" value= "Add"
onClick="window.location.href='driver_new.jsp'"></a><BR>
</td><BR> <BR> <BR>
</tr><BR></table><BR><html:form action="display"
name="displayForm" type="com.servlet.DisplayForm" > <BR><table
border="1" width="100%"></DIV>
<DIV> <BR><tr><BR><th><input
type=checkbox name="d_all" value="Check All"
onClick="check(this.form.list)"></th><BR><th><a
href="drivers.jsp">Last name</a></th><BR><th><a
href="drivers.jsp">First Name</a></th><BR><th><a
href="drivers.jsp">Middle Name</a></th><BR><th><a
href="drivers.jsp">Clock #</a></th></DIV>
<DIV><BR></tr></DIV>
<DIV><tr align="left"><BR> <td
align="center"><!--input type=checkbox
name="list"--><BR> <input type=checkbox
name="list" value="0"></DIV>
<DIV> </td><BR> <td
align="center"><BR>
Smith<BR> </td><BR> <td
align="center"><BR>
Ashley<BR> </td><BR> <td
align="center"><BR>
K<BR> </td><BR> <td
align="center"><BR>
<a
href="driverDisplay.do?employeeID=asmith"><BR>
asmith<BR> </a><BR>
</td><BR> <td
align="center"><BR>
<BR> </td><BR> <td
align="center"><BR>
new driver<BR> </td><BR></tr><BR> </DIV>
<DIV> <tr
align="left"><BR> <td
align="center"><!--input type=checkbox
name="list"--><BR> <input type=checkbox
name="list" value="1"></DIV>
<DIV> </td><BR> <td
align="center"><BR>
David<BR> </td><BR> <td
align="center"><BR>
John<BR> </td><BR> <td
align="center"><BR>
V<BR> </td><BR> <td
align="center"><BR>
<a
href="driverDisplay.do?employeeID=jdavid"><BR>
jdavid<BR> </a><BR>
</td><BR> <td
align="center"><BR>
<BR> </td><BR> <td
align="center"><BR>
Novice<BR> </td><BR></tr><BR> </DIV>
<DIV> <tr
align="left"><BR> <td
align="center"><!--input type=checkbox
name="list"--><BR> <input type=checkbox
name="list" value="2"></DIV>
<DIV> </td><BR> <td
align="center"><BR>
Doe<BR> </td><BR> <td
align="center"><BR>
John<BR> </td><BR> <td
align="center"><BR>
K<BR> </td><BR> <td
align="center"><BR>
<a
href="driverDisplay.do?employeeID=jdoe"><BR>
jdoe<BR> </a><BR>
</td><BR> <td
align="center"><BR>
Doe, John K(jdoe)<BR> </td><BR> <td
align="center"><BR>
novice<BR> </td><BR></tr></DIV>
<DIV></table></DIV>
<DIV></html:form> <BR><SCRIPT LANGUAGE="JavaScript"><BR>function
getCheckedItems()</DIV>
<DIV>{<BR> var value = false;<BR> menus = new Array;<BR> var
msg = "";</DIV>
<DIV> var checkBoxes = driversDisplayForm.elements["list"];</DIV>
<DIV><BR>for(var i = 0; i < checkBoxes.length; i++)<BR>
{<BR> if(checkBoxes[i].checked)<BR>
{<BR> menus =
menus+","+i;<BR> <BR> value = true;
<BR> }<BR> }</DIV>
<DIV>menusChopped = menus.substr(1,menus.length-1);//chop leading
comma<BR>deleteArray = new Array;</DIV>
<DIV>deleteArray = menusChopped.split(",");<BR>finalDeleteArray =
new Array;</DIV>
<DIV><BR> for (i=0;i<deleteArray.length;i++){<BR>
finalDeleteArray[i]= deleteArray[i];<BR>
alert(finalDeleteArray[i]);<BR> }</DIV>
<DIV> </DIV>
<DIV>if(!value)<BR> alert("Check at least one of the
checkboxes, thanks.");</DIV>
<DIV><BR>//this.form.action="<A
href='http://myserver.com/searchById/submit.do";//fix'>http://myserver.com/searchById/submit.do";//fix</A>
this<BR>//window.location.href='deleteDriver.do';<BR>return
finalDeleteArray;<BR>}<BR></script></DIV>
<DIV><BR></body><BR></html><BR></DIV>
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