$(document).on('click', '#ajax_form_submit', function(){ $('#ajaxForm').ajaxSubmit({ beforeSubmit: function(a,f,o) { o.dataType = 'script'; } }); }); $(document).ready(function(){ var win = parent.OWindow; var thatwindow = win.thiswindow; alert(self.id); $("div.button_bar input[type=submit]").click(function(){ thatwindow.document.getElementById(win.input).value = "Soemthing"; return false; }) })