Reseting a checkbox using a dynamic variable

I have a list of unrelated checkboxes (each has own name and id). When the user clicks any one the CB's I combine the value of a textarea and the value of the CB and replace the combine value back into the current textarea. Works fine. Now I want to clear the check from the CB. I'm sure there is something simple I've overlooked. Thanks for any suggestions.
checkbox.txt
headjavaAsked:
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BenMorelCommented:
Hi,
Maybe just :
eval('$(objid)').checked = false; // without [0]
Or :
obj.checked = false; // may be simpler in your case :)
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ilairdCommented:
the simplest way to reset all the checkboxes depends on your layout.

a few thoughts.
If you append all your check boxs with spacific prefix and increment a number you could do some thing like:
for(var i = 0; i < [how ever many CB's you have]; i++)
  document.getElementById('ckb' + i).checked = false;

another option would be to group all the CBs in a table or div. then you could loop through rows or childNode[x] to reset checked to false;
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headjavaAuthor Commented:
Thanks
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