gistfile1.js

Element.implement({

        /* Adds a getArguments method to Elements that will extract the "arguments" of 
           forms. */
        getArguments: function(){
                var obj = {};
                this.getElements('input, select, textarea', true).each(function(el){
                        var name = el.name, type = el.type, value = el.value;
                        if (value === false || !name || el.disabled) return;
                        $splat(value).each(function(val){ obj[name] = val; });
                }); return obj; 
        }

});