How to set required field
<form action="<?php echo $this->getUrl('modulename/index/controlleraction') ?>" id="requestfish">
<input type="hidden" name="form_key" value="<?php //echo Mage::getSingleton('core/session')->getFormKey(); ?>" />
<input type="text" name="name" placeholder="Name" required="true" />
<input type="email" name="email" placeholder="Email" required="true"/>
<input type="mobile" name="mobile" placeholder="Mobile" required="true"/>
<?php $addfish = Mage::getStoreConfig('mps_requestfish/enable/addfish');
$array = explode(',', $addfish);
foreach ($array as $item) {
echo "<div class='list-content'><input class='the-terms' type='checkbox' class='checkbox required-entry' value='$item'><b>$item</b></input></div>";
}?>
<textarea name="comment" id="comment" placeholder="Comment"></textarea>
<input type="submit" value="enter" />
</form>
it add required for all Checkbox. In that if one checkbox i miss it show's error how to over come this?