text: // JavaScript Document
  (function (doc, win) {
    var docEl = doc.documentElement,
  	resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
  	recalc = function () {
  	  var clientWidth = docEl.clientWidth;
  	  if (!clientWidth) return;
  	  docEl.style.fontSize = 100 * (clientWidth / 640) + 'px';
  	};
  
    if (!doc.addEventListener) return;
    win.addEventListener(resizeEvt, recalc, false);
    doc.addEventListener('DOMContentLoaded', recalc, false);
  })(document, window);
  