Require Checkbox for Submit Button

Require Checkbox for Submit Button

## put this in head area
<script type="text/javascript">
<!--
window.onload=function() {
  df=document.forms[0];
  df[1].disabled=true;
  df[0].onclick=function(){
  df[1].disabled=(df[1].disabled)?false:true;
  }
 }
//-->
</script>

## put this in body area
<form action="#">
<div>
<input type="checkbox"/>
<input type="submit" value="Submit Application" class="button"/>
</div>
</form>