(function($){$.fn.extend({xhTip:function(){return this.each(function(){var obj=$(this);var aim=$("input[name='search']",obj);var old=obj.val();obj.focus(function(){if(obj.val()==old){obj.val("");}else{return;}});obj.blur(function(){if(obj.val()==""){obj.val(old);}else{return;}});});}});})(jQuery);