Prototype AJAX request being sent as OPTIONS rather than GET; results in 501 error

Question

I\'m attempting to access a web service with Prototype/AJAX and am running into an error I can\'t figure out: it seems that when I make a request to a server my request is i

Answer 1

Actually, it's much easier with Prototype.js V1.7:

Ajax.Responders.register({
    onCreate:function(r){
        r.options.requestHeaders={
        'X-Prototype-Version':null,
        'X-Requested-With':null
        };
    }
});

Prototype.js drops any pre-defined header if its value is null.