title: how to apply javascript function to multiple textboxes with jquery
body: <p>I have a form where a user needs to input time entries for a date range.  I need to validate what they're inputting so I was hoping I could create one function to simply validate a value to make sure it's numeric.  Then tie that function to each textbox that has a css class of hourmin.  I think I'm headed in the right direction below but I'm not sure how to finish it.</p>
  
  <pre><code>$(".hourmin").change(function () {
      //apply this validation call to the textbox which has .hourmin class
  });
  </code></pre>