<!--
function echeck(str) {
  var at="@";
  var dot=".";
  var lat=str.indexOf(at);
  var lstr=str.length;
  var ldot=str.indexOf(dot);

  if (str.indexOf(at)==-1){
     return false;
  }
  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
     return false;
  }
  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
      return false;
  }
   if (str.indexOf(at,(lat+1))!=-1){
      return false;
   }
   if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
      return false;
   }
   if (str.indexOf(dot,(lat+2))==-1){
      return false;
   }
   if (str.indexOf(" ")!=-1){
      return false;
   }
   return true;
}

function checkform (form)
{
    if (form.f04_Date.value == "") {
       alert( "You Must Enter a Date." );
       form.f04_Date.focus();
       return false;
    }
    if((!form.f06_direction[0].checked)&&(!form.f06_direction[1].checked)) {
       alert( "You Must Select a Direction." );
       form.f06_direction[0].focus();
       return false;
    }
    if (form.f08_time.value == "") {
       alert( "You Must Enter a Time." );
       form.f08_time.focus();
       return false;
    }
    if (form.f11_comments.value == "") {
       alert( "You Must Enter a Comment." );
       form.f11_comments.focus();
       return false;
    }
    if (form.f20_Email.value != "") {
        if (echeck(form.f20_Email.value)==false){
          alert( "You Must Enter a valid Email." );
          form.f20_Email.focus();
          return false
        }
    }

    form.submit();

}
-->