code: function(prop) {
              // TODO: Mobile optimization?
              if (prop == 'float') {
                  prop = Ext.supports.Float ? 'cssFloat' : 'styleFloat';
              }
              // For '-ms-foo' we need msFoo
              return this.propertyCache[prop] || (this.propertyCache[prop] = prop.replace(this.msRe, 'ms-').replace(this.camelRe, this.camelReplaceFn));
          }
docs: Normalizes CSS property keys from dash delimited to camel case JavaScript Syntax.
  For example:
  
  - border-width -> borderWidth
  - padding-top -> paddingTop
  
  @static
  @param {String} prop The property to normalize
  @return {String} The normalized string