Functions to make plain old Javascript easier to use, without a framework

nonscary.js

//How can we make this one work with classes and tags?
function $(id){
  return document.getElementById(id);
}

function html(id, html){ $(id).innerHTML = html; }

function css(id, style){ $(id).style.cssText += ';'+style; }

//iPhone/iPad/iPod browser animations
function anim(id, transform, opacity, dur){
  css(id, '-webkit-transition:-webkit-transform'+
    ',opacity '+(dur||0.5)+'s,'+(dur||0.5)+'s;-webkit-transform:'+
    transform+';opacity:'+(1||opacity));
}

via http://mir.aculo.us/2010/06/04/making-an-ipad-html5-app-making-it-really-fast/