slice = Array.prototype.slice,
// Bind a function to a context, optionally partially applying any

    // arguments.

    proxy: function( fn, context ) {

        if ( typeof context === "string" ) {

            var tmp = fn[ context ];

            context = fn;

            fn = tmp;

        }

        // Quick check to determine if target is callable, in the spec

        // this throws a TypeError, but we will just return undefined.

        if ( !jQuery.isFunction( fn ) ) {

            return undefined;

        }

        // Simulated bind

        var args = slice.call( arguments, 2 ),

            proxy = function() {

                return fn.apply( context, args.concat( slice.call( arguments ) ) );

            };

        // Set the guid of unique handler to the same of original handler, so it can be removed

        proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;

        return proxy;

    },