$(function(){$("#username").focus();$("form").submit(function(){var a=new Boolean(true);$(".required").each(function(i){if($(this).val()==""){$(this).next("span").replaceWith('<span class="msg">Required</span>');a=false}else{$(this).next("span").replaceWith("<span>&nbsp;</span>")}});if(a==false){return false}})});