hi to all,
i have a problem with the ajax charset that i send to the server.
we have a sap system with the default ascii encode(no unicode)
i try to set the Ext.ajax.Request headers param in

headers: {
     'Content-Type':'application/x-www-form-urlencoded; charset=iso-8859-1'
but the charset of the request remain with unicode ( i see it with firebug tool ) and in the system some characters will not save correctly(,,,,).

someone can help me?
tanks to all