(function($){$.fn.extend({limit:function(limit,element){var interval,f;var self=$(this);$(this).focus(function(){interval=window.setInterval(substring,100)});$(this).blur(function(){clearInterval(interval);substring()});substringFunction="function substring(){ var val = $(self).val();var length = val.length;if(length > limit){$(self).val($(self).val().substring(0,limit));}";if(typeof element!='undefined')substringFunction+="if($(element).html() != limit-length){$(element).html((limit-length<=0)?'0':limit-length);}";substringFunction+="}";eval(substringFunction);substring()}})})(jQuery);