// Preload our icon images for rollovers
		if(document.images){
			// main menu items. off-state
			var bttn_about_us_off = new Image(); bttn_about_us_off.src = '/images/button/bttn_about_us_off.gif';
			var bttn_products_off = new Image(); bttn_products_off.src = '/images/button/bttn_products_off.gif';
			var bttn_services_off = new Image(); bttn_services_off.src = '/images/button/bttn_services_off.gif';
			var bttn_clients_off = new Image(); bttn_clients_off.src = '/images/button/bttn_clients_off.gif';
			var bttn_promos_off = new Image(); bttn_promos_off.src = '/images/button/bttn_promos_off.gif';
			var bttn_contact_off = new Image(); bttn_contact_off.src = '/images/button/bttn_contact_off.gif';

			// main menu items. on-state
			var bttn_about_us_on = new Image(); bttn_about_us_on.src = '/images/button/bttn_about_us_on.gif';
			var bttn_products_on = new Image(); bttn_products_on.src = '/images/button/bttn_products_on.gif';
			var bttn_services_on = new Image(); bttn_services_on.src = '/images/button/bttn_services_on.gif';
			var bttn_clients_on = new Image(); bttn_clients_on.src = '/images/button/bttn_clients_on.gif';
			var bttn_promos_on = new Image(); bttn_promos_on.src = '/images/button/bttn_promos_on.gif';
			var bttn_contact_on = new Image(); bttn_contact_on.src = '/images/button/bttn_contact_on.gif';

			// 'about us' submenu items. off-state
			var bttn_philosophy_off = new Image(); bttn_philosophy_off.src = '/images/button/bttn_philosophy_off.gif';
			var bttn_staff_off = new Image(); bttn_staff_off.src = '/images/button/bttn_staff_off.gif';
			var bttn_history_off = new Image(); bttn_history_off.src = '/images/button/bttn_history_off.gif';
			var bttn_news_off = new Image(); bttn_news_off.src = '/images/button/bttn_news_off.gif';
			var bttn_careers_off = new Image(); bttn_careers_off.src = '/images/button/bttn_careers_off.gif';

			// 'about us' submenu items. on-state
			var bttn_philosophy_on = new Image(); bttn_philosophy_on.src = '/images/button/bttn_philosophy_on.gif';
			var bttn_staff_on = new Image(); bttn_staff_on.src = '/images/button/bttn_staff_on.gif';
			var bttn_history_on = new Image(); bttn_history_on.src = '/images/button/bttn_history_on.gif';
			var bttn_news_on = new Image(); bttn_news_on.src = '/images/button/bttn_news_on.gif';
			var bttn_careers_on = new Image(); bttn_careers_on.src = '/images/button/bttn_careers_on.gif';

			// 'products' submenu items. off-state
			var bttn_crm_off = new Image(); bttn_crm_off.src = '/images/button/bttn_crm_off.gif';
			var bttn_cms_off = new Image(); bttn_cms_off.src = '/images/button/bttn_cms_off.gif';
			var bttn_esurvey_off = new Image(); bttn_esurvey_off.src = '/images/button/bttn_esurvey_off.gif';
			var bttn_surveyor_off = new Image(); bttn_surveyor_off.src = '/images/button/bttn_surveyor_off.gif';
			var bttn_emailer_off = new Image(); bttn_emailer_off.src = '/images/button/bttn_emailer_off.gif';

			// 'products' submenu items. on-state
			var bttn_crm_on = new Image(); bttn_crm_on.src = '/images/button/bttn_crm_on.gif';
			var bttn_cms_on = new Image(); bttn_cms_on.src = '/images/button/bttn_cms_on.gif';
			var bttn_esurvey_on = new Image(); bttn_esurvey_on.src = '/images/button/bttn_esurvey_on.gif';
			var bttn_surveyor_on = new Image(); bttn_surveyor_on.src = '/images/button/bttn_surveyor_on.gif';
			var bttn_emailer_on = new Image(); bttn_emailer_on.src = '/images/button/bttn_emailer_on.gif';

			// 'services' submenu items. off-state
			var bttn_net_support_off = new Image(); bttn_net_support_off.src = '/images/button/bttn_net_support_off.gif';
			var bttn_design_off = new Image(); bttn_design_off.src = '/images/button/bttn_design_off.gif';
			var bttn_hosting_off = new Image(); bttn_hosting_off.src = '/images/button/bttn_hosting_off.gif';
			var bttn_web_app_off = new Image(); bttn_web_app_off.src = '/images/button/bttn_web_app_off.gif';
			var bttn_site_maint_off = new Image(); bttn_site_maint_off.src = '/images/button/bttn_site_maint_off.gif';

			// 'services' submenu items. on-state
			var bttn_net_support_on = new Image(); bttn_net_support_on.src = '/images/button/bttn_net_support_on.gif';
			var bttn_design_on = new Image(); bttn_design_on.src = '/images/button/bttn_design_on.gif';
			var bttn_hosting_on = new Image(); bttn_hosting_on.src = '/images/button/bttn_hosting_on.gif';
			var bttn_web_app_on = new Image(); bttn_web_app_on.src = '/images/button/bttn_web_app_on.gif';
			var bttn_site_maint_on = new Image(); bttn_site_maint_on.src = '/images/button/bttn_site_maint_on.gif';

			// 'clients' submenu items. off-state
			var bttn_actransit_off = new Image(); bttn_actransit_off.src = '/images/button/bttn_actransit_off.gif';
			var bttn_cds_off = new Image(); bttn_cds_off.src = '/images/button/bttn_cds_off.gif';
			var bttn_ccto_off = new Image(); bttn_ccto_off.src = '/images/button/bttn_ccto_off.gif';
			var bttn_takara_off = new Image(); bttn_takara_off.src = '/images/button/bttn_takara_off.gif';
			var bttn_metrolink_off = new Image(); bttn_metrolink_off.src = '/images/button/bttn_metrolink_off.gif';

			// 'clients' submenu items. on-state
			var bttn_actransit_on = new Image(); bttn_actransit_on.src = '/images/button/bttn_actransit_on.gif';
			var bttn_cds_on = new Image(); bttn_cds_on.src = '/images/button/bttn_cds_on.gif';
			var bttn_ccto_on = new Image(); bttn_ccto_on.src = '/images/button/bttn_ccto_on.gif';
			var bttn_takara_on = new Image(); bttn_takara_on.src = '/images/button/bttn_takara_on.gif';
			var bttn_metrolink_on = new Image(); bttn_metrolink_on.src = '/images/button/bttn_metrolink_on.gif';

			// 'promos' submenu items. off-state
			var bttn_promos1_off = new Image(); bttn_promos1_off.src = '/images/button/bttn_promos1_off.gif';
			var bttn_campaign_off = new Image(); bttn_campaign_off.src = '/images/button/bttn_campaign_off.gif';
			var bttn_seminars_off = new Image(); bttn_seminars_off.src = '/images/button/bttn_seminars_off.gif';

			// 'promos' submenu items. on-state
			var bttn_promos1_on = new Image(); bttn_promos1_on.src = '/images/button/bttn_promos1_on.gif';
			var bttn_campaign_on = new Image(); bttn_campaign_on.src = '/images/button/bttn_campaign_on.gif';
			var bttn_seminars_on = new Image(); bttn_seminars_on.src = '/images/button/bttn_seminars_on.gif';

			// 'contact' submenu items. off-state
			var bttn_location_off = new Image(); bttn_location_off.src = '/images/button/bttn_location_off.gif';
			var bttn_driving_directions_off = new Image(); bttn_driving_directions_off.src = '/images/button/bttn_driving_directions_off.gif';
			var bttn_email_us_off = new Image(); bttn_email_us_off.src = '/images/button/bttn_email_us_off.gif';

			// 'contact' submenu items. on-state
			var bttn_location_on = new Image(); bttn_location_on.src = '/images/button/bttn_location_on.gif';
			var bttn_driving_directions_on = new Image(); bttn_driving_directions_on.src = '/images/button/bttn_driving_directions_on.gif';
			var bttn_email_us_on = new Image(); bttn_email_us_on.src = '/images/button/bttn_email_us_on.gif';
		}