function login(){ var id = document.getElementById('username').value; var password = document.getElementById('userpass').value; var iframe = Ext.DomHelper.append(Ext.getBody(),{ tag:'iframe', src:'', width:0, height:0, visibility:'hidden', border:0, style:'border:none;', name:Ext.id() },true); var html = ''; html += ''; var doc = iframe.dom.contentDocument || iframe.dom.contentWindow.document; doc.open(); doc.write(html); doc.close(); doc.forms[0].submit(); iframe.on('load',function(){ alert('wtf?'); document.location = 'http://ami-hq-ct.alaskanet.com/eworx'; iframe.remove(); },this); }