How do you get a variable that users don select into js?
Use the Hidden input flag in the configuration for that measure. Referencing items from JavaScript Anything that is to be referenced by any JavaScript MUST have a valid HTML name with a unique value for that name within that group of same named items. This means that the ANSWERS (or ANSWER) needs to have a NAME element and the ANSWER elements need to have a VALUE element for anything that is to be referenced/used by the JavaScript. It is good practice to document the input/selection names and values at the top of the JavaScript code. This name/value pairs map can really help you see (and it documents things better) what the selections are so that you know what the code is supposed to work with. When testing the code you can use “view source” to verify the name and values of the input selections are what you think they’re supposed to be. It is also recommended that you use either Netscape or Firefox to debug JavaScript. It gives more information and it is more helpful that IE. JavaScrip
