Hi,
There is a way using Javascript and the checkbox's onClick event, but it would be better for you to use the radio button like what krisvamshi said earlier. Try out this code:
<form>
<input type="checkbox" name="first" onClick="document.forms[0].second.checked=false">
<input type="checkbox" name="second" onClick="document.forms[0].first.checked=false">
</form>
Cheers!
Marlon Villarama
Support Team
Web Burner Hosting
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www.webburner.com
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