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...a JSON approach like yahoo does, but i''m not sure if it will work. Though the form is pretty small (3 fields), one of them is a text field. With the JSON approach, i would probably have to escape the whole text field and pass the values in the url like : http://myrailsapp.com/controller/field_1_value/escaped_textfield_value/field_2_value Will this limit the amount of data that i can allow for the text field? Is there a better way to do cross domain ajax? I want to just let users include one or two scripts on their page and leave it at that. Thanks in advance. -------------- next part -----...