code: function mungeNonPixel( elem, value ) {
    // IE8 and has percent value
    if ( window.getComputedStyle || value.indexOf('%') === -1 ) {
      return value;
    }
    var style = elem.style;
    // Remember the original values
    var left = style.left;
    var rs = elem.runtimeStyle;
    var rsLeft = rs && rs.left;
  
    // Put in the new values to get a computed value out
    if ( rsLeft ) {
      rs.left = elem.currentStyle.left;
    }
    style.left = value;
    value = style.pixelLeft;
  
    // Revert the changed values
    style.left = left;
    if ( rsLeft ) {
      rs.left = rsLeft;
    }
  
    return value;
  }
docs: IE8 returns percent values, not pixels taken from jQuery's curCSS