(function($){$.fn.recoverableInputText=$.fn.rit=function(){this.each(function(){var obj=$(this);obj.css('color','#999');obj.attr('_o',obj.val());obj.focus(function(){var d=$(this);if(d.val()==d.attr('_o')){d.val('');}
obj.css('color','#000');});obj.blur(function(){var d=$(this),最终值=d.val();if(最终值==""){d.css('color','#999');d.val(d.attr('_o'));}else if(最终值==d.attr('_o')){d.css('color','#999');}else{d.css('color','#000');}});});return this;};})(jQuery)