[Javascript] Need Checkbox help.

[Esther_Strom at hmco.com]

I've used underscores in field and variable names frequently with no
problem. There's nothing in the specification that states you can't use
them.



                                                                                                                       
                    Mark Christie                                                                                      
                    <MChristie at avsgro        To:     "'javascript at LaTech.edu'" <javascript at LaTech.edu>                 
                    up.com>                  cc:                                                                       
                    Sent by:                 Subject:     RE: [Javascript] Need Checkbox help.                         
                    javascript-admin@                                                                                  
                    LaTech.edu                                                                                         
                                                                                                                       
                                                                                                                       
                    08/21/01 02:02 PM                                                                                  
                    Please respond to                                                                                  
                    javascript                                                                                         
                                                                                                                       
                                                                                                                       




I've noticed that the DOM doesn't like elements that have underscores (_)
in
them...Try renaming your elements to something like precert5 or
precertrequestform5 and see if that does the trick...

Since your checkboxes are dynamically built, you may need to do something
like this:
<input type=checkbox id="<%=Replace(rs("item_id"), "_", "")%>"
name="<%=Replace(rs("item_id"), "_", "")%>"
value="<%=Replace(rs("item_id"), "_", "")%>">

or this:

<input type=checkbox id="<%=stripUnderscore(rs("item_id"))%>"
name="<%=stripUnderscore(rs("item_id"))%>"
value="<%=stripUnderscore(rs("item_id"))%>">

<%
function stripUnderscore(str) {
   stripUnderscore = Replace(str, "_", "");
end function
%>

[CAVEAT: UNTESTED]

Then your item_id of precert_request_form5 will become your element id of
precertrequestform5.

Best Regards,
  -Mark C.


-----Original Message-----
From: Quale, Michael [mailto:QualeM at americanimaging.net]
Sent: Tuesday, August 21, 2001 1:35 PM
To: 'javascript at LaTech.edu'
Subject: [Javascript] Need Checkbox help.


I'm creating a dynamic list of check boxes based on the form selected.

I have parent checkboxes which can have multiple child checkboxes.

If a user selects a child I need to (onchange) check the parent checkbox.

I'm tried many combinations of the code below but keep getting
"document.precert_request_form5.pBox not an object" errors.

**********
<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
function selectParent(cBox,pBox)
{
      if(cBox.checked == true) {
     document.precert_request_form5.pBox.checked = true;
         }    
}
//-->
</SCRIPT>
*********

'Dynamically built parent checkbox
<input type=checkbox id="<%=rs("item_id")%>" name="<%=rs("item_id")%>"
value="<%=rs("item_id")%>">

'Dynamically built child checkbox
<input type=checkbox id="<%=rs("item_id")%>" name="<%=rs("item_id")%>"
value="<%=rs("item_id")%>" LANGUAGE=javascript
onclick="selectParent(this,<%=rsDisplayAll("parent_id")%>)">

Any help is good help!

Thanks,

Mike Q.


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