Small plugin to hide placeholder text on focus.

betterPlacehold.js

$.fn.betterPlacehold = function() {
  $.each($(this), function(){
    var text = $(this).attr('placeholder');
    $(this).focusin(function(){
      $(this).attr('placeholder','');
    });
    $(this).focusout(function(){
      if ($(this).val() == '') {
  	$(this).attr('placeholder', text);
      }
    });
  });
};