function showArea(args, form) {
  var myindex=form.animal.selectedIndex
    if (form.animal.options[myindex].value != "0") {
       location="areas.asp?CID="+args+form.animal.options[myindex].value;
    }
}

function showAnimal(args, form) {
  var myindex=form.animal_id1.selectedIndex
    if (form.animal_id1.options[myindex].value != "-1") {
       location="reviews.asp?CID="+args+form.animal_id1.options[myindex].value;
    }
}

function showDept(args, form) {
  var myindex=form.dept.selectedIndex
    if (form.dept.options[myindex].value != "0") {
       location="reviews.asp?CID="+args+form.dept.options[myindex].value;
    }
}