window.onload = function() {
  
  $("station").observe("focus", function(){
    if($("station").style.fontWeight != "normal"){
      $("station").style.color = "#222";
      $("station").style.fontWeight = "normal";
      $("station").value = "";
    }
  });
  $("genre").observe("focus", function(){
    if($("genre").style.fontWeight != "normal"){
      $("genre").style.color = "#222";
      $("genre").style.fontWeight = "normal";
      $("genre").value = "";
    }
  });
}