if (dim.getWidth() != webPageWidth) {
log.fine("BUG : dim.getWidth()!=webPageWidth");
}
Criteria c = new TypeCriteria(UIAWebView.class);
String json = c.stringify().toString();
StringBuilder script = new StringBuilder();
script.append("var root = UIAutomation.cache.get('1');");
script.append("var webview = root.element(-1," + json + ");");
script.append("var webviewSize = webview.rect();");
script.append("var ratioX = 1.0 * webviewSize.size.width / " + dim.getWidth() + ";");