Conflict with JS

Hi,

We made a script to get forms steps by steps, and we used “Dynamic Notice” to create buttons “Next” and “Previous”, works perfectly when we use the price calculation with an button but when we turn off this feature, we can’t use our buttons. Evenif we let the feature on, we can press on buttons Next and Previous but if we press “Calculate” buttons became unusable.
Do you think it’s possible to get a conflit with the both script ? Do you have any tips ?

Thanks a lot