title: selecting checkbox value in cakephp
body: <p>I am loading default values for my form from another model and loading them like this</p>
  
  <pre><code>&lt;?=$this-&gt;Form-&gt;input('TimeAlgo.association', array('type' =&gt; 'text','value'=&gt;$defaults['TimeAlgoDefault']['association']))?&gt;
  </code></pre>
  
  <p>But I have check box to load by default value I have it in my form like this</p>
  
  <pre><code>&lt;?=$this-&gt;Form-&gt;input('TimeAlgo.day_time', array('type' =&gt; 'radio','options'=&gt;array('day'=&gt;'Day','time'=&gt;'Time')))?&gt;
  </code></pre>
  
  <p>Kindly tell me how to load one of its value i.e day, time that is in  </p>
  
  <pre><code>`$defaults['TimeAlgoDefault']['dayTime']`
  </code></pre>
  
  <p>Thanks</p>