static char *sd_get_lsr_namespace(GF_SceneGraph *sg)
{
	char *lsrns = (char *) gf_sg_get_namespace_qname(sg, GF_XMLNS_LASER);
	if (lsrns) {
		sprintf(szLSRName, "%s:", lsrns);
		return szLSRName;
	}
	return "";
}
static char *sd_get_lsr_namespace(GF_SceneGraph *sg)
{
	char *lsrns = (char *) gf_sg_get_namespace_qname(sg, GF_XMLNS_LASER);
	if (lsrns) {
		sprintf(szLSRName, "%s:", lsrns);
		return szLSRName;
	}
	return "";
}