activex object gives error object doesn't support property or method in ie 10

Hello

I am getting object doesn't support property or method in IE 10 for below command which is working properly in ie 8. we running vb.net window application like activex  curlog vb.net class and checkforproxyconn() is shared sub

window.document.curlog.CheckForProxyConn()

 Regards

 Parvez