(function($){$.fn.remainCharactersCounter=function(options){options=$.extend({},$.fn.remainCharactersCounter.defaults,options);input=$(this).find(options.inputPath);counterWrapper=$(this).find(options.counterWrapperPath);counter=$(this).find(options.counterPath);setRemained=function(){remained=(parseInt(options.max)-input.val().length);counter.text(remained);return remained;}
checkLength=function(){remained=setRemained();if(remained<0){input.val(input.val().substr(0,options.max));setRemained();}}
setRemained();input.keypress(checkLength);input.click(checkLength);input.mouseup(checkLength);input.mousedown(checkLength);input.mousemove(checkLength);};$.fn.remainCharactersCounter.defaults={max:100,inputPath:'input',counterWrapperPath:'.counter-wrapper',counterPath:'.counter'};})(jQuery);