Load PPT Into WebView

Hello, could someone give me a hand? Have a TableView that loads individual ppt files from a folder called powerpoints. I am now trying to get those to display in a UIWebView in a different ViewController. In my TableView didSelectRow I have:

Code:

    NSString *selectedCountry = [self.files objectAtIndex:indexPath.row];
	Songs *dvController = [[Songs alloc] initWithNibName:@"Songs" bundle:[NSBundle mainBundle]];
	dvController.selectedCountry = selectedCountry;
	[self.navigationController pushViewController:dvController animated:YES];
	[dvController release];
	dvController = nil;

In my viewDidLoad of the other ViewController with the webView, I have:

Code:

 NSString *thetitle = [[selectedCountry lastPathComponent] stringByDeletingPathExtension];
    self.title = thetitle;
    NSString *path = [[NSBundle mainBundle] pathForResource:selectedCountry ofType:@"ppt"];
    NSURL *url = [NSURL fileURLWithPath:path];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    [savedweb loadRequest:request];

But this crashes with error:

Code:

-[NSURL initFileURLWithPath:]: nil string parameter'

Any ideas?