- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
    NSString *pathExt = [request.URL pathExtension];
    NSString * strRequestURL = request.URL;

    if (![pathExt isEqualToString:@"php"] && ![pathExt isEqualToString:@"html"])
    {
        return YES;
    }
//    else if ([strRequestURL rangeOfString:@"_blank"].location != NSNotFound)
//    {
//        return YES;
//    }
    else
    {
        [[UIApplication sharedApplication] openURL:[request URL]];
        return NO;
    }
}