void DisplayWarningMsg(GtkWindow *window, char *msg);
void DisplayErrorMsg(GtkWindow *window, char *msg);
void BoolDialog(char *question,char *yes,GtkSignalFunc yesfunc,
void DisplayWarningMsg(GtkWindow *window, char *msg);
void DisplayErrorMsg(GtkWindow *window, char *msg);
void BoolDialog(char *question,char *yes,GtkSignalFunc yesfunc,