(function(a){a.fn.validation=function(){var b=0;a(".required-field",this).each(function(){var c=a(":input",this).attr("value");if(c==""){a("span.error-message",this).remove();a(this).append('<span class="error-message"><span class="error"></span></span>');a("span.error",this).html("Заполните необходимое поле");a(":input",this).addClass("error-highlight");b++}else{a("span.error-message",this).remove();a(":input",this).removeClass("error-highlight")}});if(b==0){return true}else{return false}}})(jQuery);