Cacher is the code snippet organizer for pro developers

    o.addEventListener('end',function(){
        o.$().style.textAlign = 'center';
        o.setupResizeListener();
        o.dispatchEvent('resize');
    });
    o.addEventListener('resize',function(){
        o.changeSize(o.w.innerHeight);
    });
    o.changeSize = function(h){
        el = document.querySelectorAll('#'+ o.altimgID);        
        for(var i = 0; i < el.length; i++){
            el[i].style.width = 'auto';
            el[i].style.height = h + 'px';
        }
    };