/**
*
*
*/
if (document.images) {
	var imagesOff = new Object( );
		imagesOff["systems"] = new Image(17, 141);
		imagesOff["systems"].src = "../ttmenu/m_01_systems.gif";
		imagesOff["concept"] = new Image(17, 141);
	  imagesOff["concept"].src = "../ttmenu/m_02_concept.gif";
		imagesOff["tech"] = new Image(17, 141);
	  imagesOff["tech"].src = "../ttmenu/m_03_tech.gif";
		
		imagesOff["signal"] = new Image(17, 141);
    imagesOff["signal"].src = "../ttmenu/ms_03_01_signal.gif";
		imagesOff["monitoring"] = new Image(17, 141);
    imagesOff["monitoring"].src = "../ttmenu/ms_03_02_monitoring.gif";
		
		imagesOff["store"] = new Image(17, 141);
		imagesOff["store"].src = "../ttmenu/m_04_store.gif";
		imagesOff["support"] = new Image(17, 141);
		imagesOff["support"].src = "../ttmenu/m_05_support.gif";
		imagesOff["buy"] = new Image(17, 141);
    imagesOff["buy"].src = "../ttmenu/m_06_buy.gif";
		imagesOff["about"] = new Image(17, 141);
    imagesOff["about"].src = "../ttmenu/m_07_about.gif";
		imagesOff["contact"] = new Image(17, 141);
    imagesOff["contact"].src = "../ttmenu/m_08_contact.gif";
		imagesOff["careers"] = new Image(17, 141);
    imagesOff["careers"].src = "../ttmenu/m_09_careers.gif";
		imagesOff["home"] = new Image(28, 141);
    imagesOff["home"].src = "../ttmenu/m_10_home.gif";
		
	var imagesOn = new Object( );
		imagesOn["systems"] = new Image(17, 141);
    imagesOn["systems"].src = "../ttmenu/m_01_systems-over.gif";
		imagesOn["concept"] = new Image(17, 141);
    imagesOn["concept"].src = "../ttmenu/m_02_concept-over.gif";
		imagesOn["tech"] = new Image(17, 141);
    imagesOn["tech"].src = "../ttmenu/m_03_tech-over.gif";
		
		imagesOn["signal"] = new Image(17, 141);
    imagesOn["signal"].src = "../ttmenu/ms_03_01_signal-over.gif";
		imagesOn["monitoring"] = new Image(17, 141);
    imagesOn["monitoring"].src = "../ttmenu/ms_03_02_monitoring-over.gif";
		
		
		imagesOn["store"] = new Image(17, 141);
    imagesOn["store"].src = "../ttmenu/m_04_store-over.gif";
		imagesOn["support"] = new Image(17, 141);
    imagesOn["support"].src = "../ttmenu/m_05_support-over.gif";
		imagesOn["buy"] = new Image(17, 141);
    imagesOn["buy"].src = "../ttmenu/m_06_buy-over.gif";
		imagesOn["about"] = new Image(17, 141);
    imagesOn["about"].src = "../ttmenu/m_07_about-over.gif";
		imagesOn["contact"] = new Image(17, 141);
    imagesOn["contact"].src = "../ttmenu/m_08_contact-over.gif";
		imagesOn["careers"] = new Image(17, 141);
    imagesOn["careers"].src = "../ttmenu/m_09_careers-over.gif";
		imagesOn["home"] = new Image(17, 141);
    imagesOn["home"].src = "../ttmenu/m_10_home-over.gif";
}