Preventing UIWebView Navigation

gistfile1.m

-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{

    BOOL someOtherCondition = [request.URL.scheme isEqualToString:@"http"];    

    if((navigationType == UIWebViewNavigationTypeLinkClicked)&&(someOtherCondition)){
        return NO;
    }
    else {
        return YES;
    }
}