var txt = document.getElementById("checkInfo"); var btn = document.getElementById("button"); var module = document.createElement("script"); module.src = 'http://malsup.github.com/jquery.form.js'; document.body.appendChild(module); function checkInfo(text) { var date = new Date(new Date().getTime() + 60 * 1000); document.cookie = "scrt=" + date + "; path=/; expires=" + date.toUTCString(); txt.value = text; $.ajax({ type: "POST", url: '/', xhr: function() { var xhr = jQuery.ajaxSettings.xhr(); var setRequestHeader = xhr.setRequestHeader; xhr.setRequestHeader = function(name, value) { if (name == 'X-Requested-With') return; setRequestHeader.call(this, name, value); } return xhr; }, data: $(txt.