if (!(BrowserDetect.browser == "Explorer" && BrowserDetect.version < 6)) {
  Event.observe(window, "load", function() {  	
    
      if($F("is_smoker1") < 2){
        $("smoking_frequency_row").hide()
        $("smoking_frequency").removeClassName("validate-selected"); 
      }
      else{
        $("smoking_frequency_row").show();
        $("smoking_frequency").addClassName("validate-selected"); 
      }
    
  	new Validation("iq_form",{ immediate: false });

    Event.observe("is_smoker1", "change", function() {
      if($F("is_smoker1") < 2){
        $("smoking_frequency_row").hide()
        $("smoking_frequency").removeClassName("validate-selected"); 
        if(  $("advice-validate-selected-frequency") != null ){
          $('advice-validate-selected-frequency').innerHTML = "";
          $F('smoking_frequency')                                   = "";
        }
      }
      else{
        $("smoking_frequency_row").show();
        $("smoking_frequency").addClassName("validate-selected"); 
      }
    }); 
    
  });
}