//defines available frames availableFrames = [ {name:'Post-M15', src:'/img/frames/m15/theList/regular.svg'}, {name:'Pre-M15', src:'/img/frames/m15/theList/old.svg'} ]; //disables/enables the "Load Frame Version" button document.querySelector('#loadFrameVersion').disabled = true; //defines process for loading this version, if applicable document.querySelector('#loadFrameVersion').onclick = null; //loads available frames loadFramePack();