function preButtons() {
		loadingFlag = true;
		
		// buttons for orange top menu
		createObject('navmainoff','http://img.vn.cyworld.com/image/common/menu_main_off.gif');
        createObject('navmainon','http://img.vn.cyworld.com/image/common/menu_main_on.gif');
        createObject('navpeopleoff','http://img.vn.cyworld.com/image/common/menu_people_off.gif');
        createObject('navpeopleon','http://img.vn.cyworld.com/image/common/menu_people_on.gif');
        createObject('navclubsoff','http://img.vn.cyworld.com/image/common/menu_clubs_off.gif');
        createObject('navclubson','http://img.vn.cyworld.com/image/common/menu_clubs_on.gif');
        createObject('navshopoff','http://img.vn.cyworld.com/image/common/menu_shop_off.gif');
        createObject('navshopon','http://img.vn.cyworld.com/image/common/menu_shop_on.gif');
        createObject('navmycyworldoff','http://img.vn.cyworld.com/image/common/menu_mycyworld_off.gif');
        createObject('navmycyworldon','http://img.vn.cyworld.com/image/common/menu_mycyworld_on.gif');
        createObject('btnsearchnavoff','http://img.vn.cyworld.com/image/common/btn_search_off.gif');
        createObject('btnsearchnavon','http://img.vn.cyworld.com/image/common/btn_search_on.gif');
        createObject('btnhelpnavoff','http://img.vn.cyworld.com/image/common/btn_help_off.gif');
        createObject('btnhelpnavon','http://img.vn.cyworld.com/image/common/btn_help_on.gif');
        
        // buttons for minime dashboard
        createObject('btnmyminihomeoff','http://img.vn.cyworld.com/image/common/btn_my_minihome_off.gif');
        createObject('btnmyminihomeon','http://img.vn.cyworld.com/image/common/btn_my_minihome_on.gif');
        createObject('btnlogoutoff','http://img.vn.cyworld.com/image/common/btn_logout_off.gif');
        createObject('btnlogouton','http://img.vn.cyworld.com/image/common/btn_logout_on.gif');
        createObject('btneditminiroomoff','http://img.vn.cyworld.com/image/common/btn_edit_miniroom_off.gif');
        createObject('btneditminiroomon','http://img.vn.cyworld.com/image/common/btn_edit_miniroom_on.gif');
        createObject('btneditminimeoff','http://img.vn.cyworld.com/image/common/btn_edit_minime_off.gif');
        createObject('btneditminimeon','http://img.vn.cyworld.com/image/common/btn_edit_minime_on.gif');
        createObject('btneditminihomeoff','http://img.vn.cyworld.com/image/common/btn_edit_minihome_off.gif');
        createObject('btneditminihomeon','http://img.vn.cyworld.com/image/common/btn_edit_minihome_on.gif');
        
        createObject('btnrefillacornsoff','http://img.vn.cyworld.com/image/common/btn_refill_acorns_off.gif');
        createObject('btnrefillacornson','http://img.vn.cyworld.com/image/common/btn_refill_acorns_on.gif');
        createObject('btnsettingsoff','http://img.vn.cyworld.com/image/common/btn_settings_off.gif');
        createObject('btnsettingson','http://img.vn.cyworld.com/image/common/btn_settings_on.gif');
        
        // buttons for club sidebar
        createObject('cljoincluboff','http://img.vn.cyworld.com/image/common/btnclub_join_club_off.gif');
        createObject('cljoinclubon','http://img.vn.cyworld.com/image/common/btnclub_join_club_on.gif');
        createObject('clrandomcluboff','http://img.vn.cyworld.com/image/common/btnclub_random_club_off.gif');
        createObject('clrandomclubon','http://img.vn.cyworld.com/image/common/btnclub_random_club_on.gif');
        createObject('clinvitemembersoff','http://img.vn.cyworld.com/image/common/btnclub_invite_members_off.gif');
        createObject('clinvitememberson','http://img.vn.cyworld.com/image/common/btnclub_invite_members_on.gif');
        createObject('clclubmembersoff','http://img.vn.cyworld.com/image/common/btnclub_club_members_off.gif');
        createObject('clclubmemberson','http://img.vn.cyworld.com/image/common/btnclub_club_members_on.gif');
        createObject('clclubsettingsinoff','http://img.vn.cyworld.com/image/common/btnclub_club_settings_in_off.gif');
        createObject('clclubsettingsinon','http://img.vn.cyworld.com/image/common/btnclub_club_settings_in_on.gif');
        createObject('clclubsettingsoutoff','http://img.vn.cyworld.com/image/common/btnclub_club_settings_out_off.gif');
        createObject('clclubsettingsouton','http://img.vn.cyworld.com/image/common/btnclub_club_settings_out_on.gif');
        createObject('clcancelcluboff','http://img.vn.cyworld.com/image/common/btnclub_cancel_club_off.gif');
        createObject('clcancelclubon','http://img.vn.cyworld.com/image/common/btnclub_cancel_club_on.gif');

		// buttons for login
		createObject('btnlogingooff','http://img.vn.cyworld.com/image/common/btn_logingo_off.gif');
        createObject('btnlogingoon','http://img.vn.cyworld.com/image/common/btn_logingo_on.gif');
        

        loadingFlag = false;
        preloadFlag = true;
	}