// Preload our icon images for rollovers
		if(document.images){
			// main menu items. off-state
			var bttn_hp_about_us_off = new Image(); bttn_hp_about_us_off .src = '/images/home/button/bttn_hp_about_us_off.gif';
			var bttn_hp_products_off = new Image(); bttn_hp_products_off .src = '/images/home/button/bttn_hp_products_off.gif';
			var bttn_hp_services_off = new Image(); bttn_hp_services_off .src = '/images/home/button/bttn_hp_services_off.gif';
			var bttn_hp_clients_off = new Image(); bttn_hp_clients_off .src = '/images/home/button/bttn_hp_clients_off.gif';
			var bttn_hp_promos_off = new Image(); bttn_hp_promos_off .src = '/images/home/button/bttn_hp_promos_off.gif';
			var bttn_hp_contact_off = new Image(); bttn_hp_contact_off .src = '/images/home/button/bttn_hp_contact_off.gif';

			// main menu items. on-state
			var bttn_hp_about_us_on = new Image(); bttn_hp_about_us_on .src = '/images/home/button/bttn_hp_about_us_on.gif';
			var bttn_hp_products_on = new Image(); bttn_hp_products_on .src = '/images/home/button/bttn_hp_products_on.gif';
			var bttn_hp_services_on = new Image(); bttn_hp_services_on .src = '/images/home/button/bttn_hp_services_on.gif';
			var bttn_hp_clients_on = new Image(); bttn_hp_clients_on .src = '/images/home/button/bttn_hp_clients_on.gif';
			var bttn_hp_promos_on = new Image(); bttn_hp_promos_on .src = '/images/home/button/bttn_hp_promos_on.gif';
			var bttn_hp_contact_on = new Image(); bttn_hp_contact_on .src = '/images/home/button/bttn_hp_contact_on.gif';

			// 'about us' submenu items. off-state
			var bttn_hp_philosophy_off = new Image(); bttn_hp_philosophy_off .src = '/images/home/button/bttn_hp_philosophy_off.gif';
			var bttn_hp_staff_off = new Image(); bttn_hp_staff_off .src = '/images/home/button/bttn_hp_staff_off.gif';
			var bttn_hp_history_off = new Image(); bttn_hp_history_off .src = '/images/home/button/bttn_hp_history_off.gif';
			var bttn_hp_news_off = new Image(); bttn_hp_news_off .src = '/images/home/button/bttn_hp_news_off.gif';
			var bttn_hp_careers_off = new Image(); bttn_hp_careers_off .src = '/images/home/button/bttn_hp_careers_off.gif';

			// 'about us' submenu items. on-state
			var bttn_hp_philosophy_on = new Image(); bttn_hp_philosophy_on .src = '/images/home/button/bttn_hp_philosophy_on.gif';
			var bttn_hp_staff_on = new Image(); bttn_hp_staff_on .src = '/images/home/button/bttn_hp_staff_on.gif';
			var bttn_hp_history_on = new Image(); bttn_hp_history_on .src = '/images/home/button/bttn_hp_history_on.gif';
			var bttn_hp_news_on = new Image(); bttn_hp_news_on .src = '/images/home/button/bttn_hp_news_on.gif';
			var bttn_hp_careers_on = new Image(); bttn_hp_careers_on .src = '/images/home/button/bttn_hp_careers_on.gif';

			// 'products' submenu items. off-state
			var bttn_hp_crm_off = new Image(); bttn_hp_crm_off .src = '/images/home/button/bttn_hp_crm_off.gif';
			var bttn_hp_cms_off = new Image(); bttn_hp_cms_off .src = '/images/home/button/bttn_hp_cms_off.gif';
			var bttn_hp_esurvey_off = new Image(); bttn_hp_esurvey_off .src = '/images/home/button/bttn_hp_esurvey_off.gif';
			var bttn_hp_surveyor_off = new Image(); bttn_hp_surveyor_off .src = '/images/home/button/bttn_hp_surveyor_off.gif';
			var bttn_hp_emailer_off = new Image(); bttn_hp_emailer_off .src = '/images/home/button/bttn_hp_emailer_off.gif';

			// 'products' submenu items. on-state
			var bttn_hp_crm_on = new Image(); bttn_hp_crm_on .src = '/images/home/button/bttn_hp_crm_on.gif';
			var bttn_hp_cms_on = new Image(); bttn_hp_cms_on .src = '/images/home/button/bttn_hp_cms_on.gif';
			var bttn_hp_esurvey_on = new Image(); bttn_hp_esurvey_on .src = '/images/home/button/bttn_hp_esurvey_on.gif';
			var bttn_hp_surveyor_on = new Image(); bttn_hp_surveyor_on .src = '/images/home/button/bttn_hp_surveyor_on.gif';
			var bttn_hp_emailer_on = new Image(); bttn_hp_emailer_on .src = '/images/home/button/bttn_hp_emailer_on.gif';

			// 'services' submenu items. off-state
			var bttn_hp_net_support_off = new Image(); bttn_hp_net_support_off .src = '/images/home/button/bttn_hp_net_support_off.gif';
			var bttn_hp_design_off = new Image(); bttn_hp_design_off .src = '/images/home/button/bttn_hp_design_off.gif';
			var bttn_hp_hosting_off = new Image(); bttn_hp_hosting_off .src = '/images/home/button/bttn_hp_hosting_off.gif';
			var bttn_hp_web_app_off = new Image(); bttn_hp_web_app_off .src = '/images/home/button/bttn_hp_web_app_off.gif';
			var bttn_hp_site_maint_off = new Image(); bttn_hp_site_maint_off .src = '/images/home/button/bttn_hp_site_maint_off.gif';

			// 'services' submenu items. on-state
			var bttn_hp_net_support_on = new Image(); bttn_hp_net_support_on .src = '/images/home/button/bttn_hp_net_support_on.gif';
			var bttn_hp_design_on = new Image(); bttn_hp_design_on .src = '/images/home/button/bttn_hp_design_on.gif';
			var bttn_hp_hosting_on = new Image(); bttn_hp_hosting_on .src = '/images/home/button/bttn_hp_hosting_on.gif';
			var bttn_hp_web_app_on = new Image(); bttn_hp_web_app_on .src = '/images/home/button/bttn_hp_web_app_on.gif';
			var bttn_hp_site_maint_on = new Image(); bttn_hp_site_maint_on .src = '/images/home/button/bttn_hp_site_maint_on.gif';

			// 'clients' submenu items. off-state
			var bttn_hp_actransit_off = new Image(); bttn_hp_actransit_off .src = '/images/home/button/bttn_hp_actransit_off.gif';
			var bttn_hp_cds_off = new Image(); bttn_hp_cds_off .src = '/images/home/button/bttn_hp_cds_off.gif';
			var bttn_hp_ccto_off = new Image(); bttn_hp_ccto_off .src = '/images/home/button/bttn_hp_ccto_off.gif';
			var bttn_hp_takara_off = new Image(); bttn_hp_takara_off .src = '/images/home/button/bttn_hp_takara_off.gif';
			var bttn_hp_metrolink_off = new Image(); bttn_hp_metrolink_off .src = '/images/home/button/bttn_hp_metrolink_off.gif';

			// 'clients' submenu items. on-state
			var bttn_hp_actransit_on = new Image(); bttn_hp_actransit_on .src = '/images/home/button/bttn_hp_actransit_on.gif';
			var bttn_hp_cds_on = new Image(); bttn_hp_cds_on .src = '/images/home/button/bttn_hp_cds_on.gif';
			var bttn_hp_ccto_on = new Image(); bttn_hp_ccto_on .src = '/images/home/button/bttn_hp_ccto_on.gif';
			var bttn_hp_takara_on = new Image(); bttn_hp_takara_on .src = '/images/home/button/bttn_hp_takara_on.gif';
			var bttn_hp_metrolink_on = new Image(); bttn_hp_metrolink_on .src = '/images/home/button/bttn_hp_metrolink_on.gif';

			// 'promos' submenu items. off-state
			var bttn_hp_promos1_off = new Image(); bttn_hp_promos1_off .src = '/images/home/button/bttn_hp_promos1_off.gif';
			var bttn_hp_campaign_off = new Image(); bttn_hp_campaign_off .src = '/images/home/button/bttn_hp_campaign_off.gif';
			var bttn_hp_seminars_off = new Image(); bttn_hp_seminars_off .src = '/images/home/button/bttn_hp_seminars_off.gif';

			// 'promos' submenu items. on-state
			var bttn_hp_promos1_on = new Image(); bttn_hp_promos1_on .src = '/images/home/button/bttn_hp_promos1_on.gif';
			var bttn_hp_campaign_on = new Image(); bttn_hp_campaign_on .src = '/images/home/button/bttn_hp_campaign_on.gif';
			var bttn_hp_seminars_on = new Image(); bttn_hp_seminars_on .src = '/images/home/button/bttn_hp_seminars_on.gif';

			// 'contact' submenu items. off-state
			var bttn_hp_location_off = new Image(); bttn_hp_location_off .src = '/images/home/button/bttn_hp_location_off.gif';
			var bttn_hp_driving_directions_off = new Image(); bttn_hp_driving_directions_off .src = '/images/home/button/bttn_hp_driving_directions_off.gif';
			var bttn_hp_email_us_off = new Image(); bttn_hp_email_us_off .src = '/images/home/button/bttn_hp_email_us_off.gif';

			// 'contact' submenu items. on-state
			var bttn_hp_location_on = new Image(); bttn_hp_location_on .src = '/images/home/button/bttn_hp_location_on.gif';
			var bttn_hp_driving_directions_on = new Image(); bttn_hp_driving_directions_on .src = '/images/home/button/bttn_hp_driving_directions_on.gif';
			var bttn_hp_email_us_on = new Image(); bttn_hp_email_us_on .src = '/images/home/button/bttn_hp_email_us_on.gif';
		}