From cannona@fireantproductions.com Tue Jun 27 06:51:39 2006
From: Aaron Cannon <cannona@fireantproductions.com>
To: dvdvol@lists.pglaf.org
Subject: [dvdvol] select range; source code
Date: Tue, 27 Jun 2006 08:51:26 -0500
Message-ID: <7.0.1.0.0.20060627084219.019190b0@fireantproductions.com>
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Hi all.  Thanks to those who have volunteered to help with
this.  Here are the relevant code bits:

First the button:
<input type=3D"button" onclick=3D"SetCheckBoxRange('mainform',
'request');" value=3D"Select range">


and then the function:

<script type=3D"text/javascript">
<!--
function SetCheckBoxRange(FormName, FieldName)
{
if(!document.forms[FormName])
return;
var objCheckBoxes =3D document.forms[FormName].elements[FieldName];
if(!objCheckBoxes)
return;
var countCheckBoxes =3D objCheckBoxes.length;
if(!countCheckBoxes)
return;
confirm('We're running the function!'); // this line is for debugging.
// I wanted to see if it was even running the function up to that point.
// It didn't pop up, so I don't think it was.
var CheckValue=3Dfalse;
for(var i =3D 0; i < countCheckBoxes; i++)
{
if(objCheckBoxes[i].checked && CheckValue =3D=3D false)
CheckValue=3Dtrue;
if(!objCheckBoxes[i].checked && CheckValue =3D=3D true)
return;
objCheckBoxes[i].checked=3DCheckValue;
}
return;
}
// -->
</script>

As mentioned before, the function will go through the form until it
finds a check box that is checked.  When it finds one, it will
continue to the next checkbox and if it is not checked, it will check
it.  It continues doing this until it either reaches the end of the
form, or until it encounters another checked checkbox.  When it finds
either, it will exit the function.

That's at least what it's supposed to do.

Sincerely
Aaron Cannon



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