Improve the layouts functions

[h_classen (Hans-Gerd Claßen)]

@goosebump

Using multiple layouts I lose IDs and this does not have to happen because errors are generated in JS functions.
It is imperative to find a solution to keep them in all layouts. Work with the suggested classes is complicated.

though this is really not that much effort:

Extend Tumult Hype with JavaScript: hypeDocument.extensions

↑ extension index hypeDocument.currentSceneElement Returns the current scene element (HTMLDivElement). /** * hypeDocument.currentSceneElement 1.1 * @return {HTMLDivElement} gives you the current scene element */ hypeDocument.currentSceneElement = function(){ return document.querySelector('#'+this.documentId()+' > .HYPE_scene[style*="block"]'); } As of Hype 4.0.2 (build 656) this new version is the way to go: /** * hypeDocument.currentSceneElement 1.2 * @return {HTMLDivElement} gives yo…