OK
probably there is easier soution to that
So I have one big application written in last years using Ext.net and now I'm starting to write small application usine Ext.Mobile. I would like to have direct calls from mobile application to be called on the bigger one (so technically I want to change url of direct methods. After some fights with CORS it seems to work using simple trick:

	function beforeAjaxRequest(con, options, eOpts, params,request) {
		request.url = http://kilkelly/bigapplication/WindowsApp/ALAMobile.aspx";
		request.headers['X-Ext-Net'] = request.headers['X-Ext-Net-Mobile'];
	}
it works fine if I run mobile application using

http://kilkelly/mobileapplication

Hovewer it doe not work when I load mobile application using different cookie domain like

http://localhost/mobileapplication

Direct methods are called hovewer the authentication cookies are not passed


Note that at the end I would like to have following 3 applications
a) separate mobile application
b) mobile and web application on IIS application( this one works fine now)
c) mobile hybryd" application, packed using cordoba or xamarin accessed from localhost/mobileapplication directly on device and connecting to bigapplication on IIS

c) is bit out of scope of this discussion, if I'm sucesfull I will write details to another thread soon