struct Library *WindowBase = NULL,
					*LayoutBase = NULL,
					*RequesterBase = NULL,
					*TextFieldBase = NULL;

void closeLibraries()
{
	if(WindowBase) CloseLibrary((struct Library *) WindowBase);
	if(TextFieldBase) CloseLibrary((struct Library *) TextFieldBase);
	if(LayoutBase) CloseLibrary((struct Library *) LayoutBase);
	if(RequesterBase) CloseLibrary((struct Library *) RequesterBase);
}
 

BOOL openLibraries()
{
	BOOL ret = FALSE;
	
	if(WindowBase = (struct Library *) OpenLibrary("window.class", 0L))
	{
		if(TextFieldBase = (struct Library *) OpenLibrary("gadgets/texteditor.gadget", 0L))
		{
			if(LayoutBase = (struct Library *) OpenLibrary("gadgets/layout.gadget", 0L))
			{
				if(RequesterBase = (struct Library *) OpenLibrary("requester.class", 0L))
				{
					ret = TRUE;
				}
			}
		}
	}
	
	if(!ret) closeLibraries();
	
	return ret;
}