javascript ...
function checkAll(theForm) {
for (i=0,n=theForm.elements.length;i<n;i++)
if (theForm.elements[i].name.indexOf('chkmsg') !=-1)
theForm.elements[i].checked = true;
}
function UNcheckAll(theForm) {
for (i=0,n=theForm.elements.length;i<n;i++)
if (theForm.elements[i].name.indexOf('chkmsg') !=-1)
theForm.elements[i].checked = false;
}
and ....
<INPUT TYPE="checkbox" NAME="chkmsg" onClick="if (this.checked)
{checkAll(this.form);} else {UNcheckAll(this.form);}">
... in your checkboxes.
> -----Original Message-----
> From: Robertson-Ravo, Neil (REC)
> [mailto:Neil.Robertson-Ravo@;csd.reedexpo.com]
> Sent: 21 October 2002 20:38
> To: '[EMAIL PROTECTED]'
> Subject: [ cf-dev ] Checkboxes
>
>
> Hi Guys,
>
> I have this code which checks all checkboxes in a form :
>
> function checkAll(theForm) {
> for (i=0,n=theForm.elements.length;i<n;i++)
> if (theForm.elements[i].name.indexOf('chkmsg') !=-1)
> theForm.elements[i].checked = true;
> }
>
> I then call it via another checkbox :
>
> <input type="checkbox" onClick="if (this.checked)
> checkAll(this.form);">
>
> This all works AOK except that I am missing the code to
> uncheck them!!! Can anyone point me in the right direction
> with a solution?! I am sure its fairly simple, but I just
> cant see it as of yet :-(
>
> I want it to work on a checkbox and not on an image like many
> solutions have ! any idea?
>
> N
>
>
>
> --
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