subnav1_off     = new Image();
subnav1_off.src = 'images/sub_1_1_off.gif';

subnav1_on     = new Image();
subnav1_on.src = 'images/sub_1_1_on.gif';

subnav2_off     = new Image();
subnav2_off.src = 'images/sub_1_2_off.gif';

subnav2_on     = new Image();
subnav2_on.src = 'images/sub_1_2_on.gif';

subnav3_off     = new Image();
subnav3_off.src = 'images/sub_1_3_off.gif';

subnav3_on     = new Image();
subnav3_on.src = 'images/sub_1_3_on.gif';

subnav4_off     = new Image();
subnav4_off.src = 'images/sub_1_4_off.gif';

subnav4_on     = new Image();
subnav4_on.src = 'images/sub_1_4_on.gif';

subnav5_off     = new Image();
subnav5_off.src = 'images/sub_1_5_off.gif';

subnav5_on     = new Image();
subnav5_on.src = 'images/sub_1_5_on.gif';

subnav6_off     = new Image();
subnav6_off.src = 'images/sub_1_6_off.gif';

subnav6_on     = new Image();
subnav6_on.src = 'images/sub_1_6_on.gif';

subnav7_off     = new Image();
subnav7_off.src = 'images/sub_1_7_off.gif';

subnav7_on     = new Image();
subnav7_on.src = 'images/sub_1_7_on.gif';

//------------------------------------------------------//

subnav4_1_off     = new Image();
subnav4_1_off.src = 'images/sub_4_1_off.gif';

subnav4_1_on     = new Image();
subnav4_1_on.src = 'images/sub_4_1_on.gif';

subnav4_2_on     = new Image();
subnav4_2_on.src = 'images/sub_4_2_on.gif';

subnav4_2_off     = new Image();
subnav4_2_off.src = 'images/sub_4_2_off.gif';

subnav4_3_on     = new Image();
subnav4_3_on.src = 'images/sub_4_3_on.gif';

subnav4_3_off     = new Image();
subnav4_3_off.src = 'images/sub_4_3_off.gif';

subnav4_3a_on     = new Image();
subnav4_3a_on.src = 'images/sub_4_3a_on.gif';

subnav4_3a_off     = new Image();
subnav4_3a_off.src = 'images/sub_4_3a_off.gif';


subnav4_4_on     = new Image();
subnav4_4_on.src = 'images/sub_4_4_on.gif';

subnav4_4_off     = new Image();
subnav4_4_off.src = 'images/sub_4_4_off.gif';

subnav4_5_on     = new Image();
subnav4_5_on.src = 'images/sub_4_5_on.gif';

subnav4_5_off     = new Image();
subnav4_5_off.src = 'images/sub_4_5_off.gif';

subnav4_6_on     = new Image();
subnav4_6_on.src = 'images/sub_4_6_on.gif';

subnav4_6_off     = new Image();
subnav4_6_off.src = 'images/sub_4_6_off.gif';

subnav4_7_on     = new Image();
subnav4_7_on.src = 'images/sub_4_7_on.gif';

subnav4_7_off     = new Image();
subnav4_7_off.src = 'images/sub_4_7_off.gif';

//------------------------------------------------------//

subnav7_1_off     = new Image();
subnav7_1_off.src = 'images/sub_7_1_off.gif';

subnav7_1_on     = new Image();
subnav7_1_on.src = 'images/sub_7_1_on.gif';

subnav7_2_off     = new Image();
subnav7_2_off.src = 'images/sub_7_2_off.gif';

subnav7_2_on     = new Image();
subnav7_2_on.src = 'images/sub_7_2_on.gif';