function starsUp(num){
      for(i=1;i<=10;i++){
          var starName = "star_" + i;
          if(i<=num){
              document.getElementById(starName).src="img/star-active.png";
          } else {
              document.getElementById(starName).src="img/star-inactive.png";
          }   
      }
}

function starsOut(num){
      for(i=1;i<=10;i++){
          var starName = "star_" + i;
          if(i<=num){
              document.getElementById(starName).src="img/star-active.png";
          } else {
              document.getElementById(starName).src="img/star-inactive.png";
          } 
      }
}

function smile(what) {
    document.forms.comment.text.focus();
    document.forms.comment.text.value=
    document.forms.comment.text.value+what;
}