Javascript Snippets

===================================== allow numbers only =========================
<script type="text/javascript">
 function validate(evt) {
  var theEvent = evt || window.event;
  var key = theEvent.keyCode || theEvent.which;
  key = String.fromCharCode( key );
  var regex = /[0-9]|\./;
  if( !regex.test(key) ) {
    theEvent.returnValue = false;
    if(theEvent.preventDefault) theEvent.preventDefault();
  }
}

</script>

<input type="text" id="frametime" placeholder='Animation Speed' size="20" onkeypress='validate(event)'>

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