// Add to your .h file
@class UIProgressHUD;

// Add as a class variable:
UIProgressHUD* ProgressHud;

// Show the HUD
- (void) webViewDidStartLoad:(UIWebView*) webView
{
	if(ShowProgHud == YES)
	{
		ProgressHud = [[UIProgressHUD alloc] initWithWindow: window];
		[ProgressHud setText:@"Loading..."];
		[ProgressHud show:YES];
	}
}

// Kill the HUD
- (void)webViewDidFinishLoad:(UIWebView*) webView
{
	if(ProgressHud != nil)
	{
		[ProgressHud show:NO];
		[ProgressHud release];
		ProgressHud = nil;
	}
}