if (document.images) {

img_int1_off = new Image(); img_int1_off.src = 'int1_off.gif';
img_int1_on  = new Image(); img_int1_on.src  = 'int1_on.gif';

img_sho1_off = new Image(); img_sho1_off.src = 'sho1_off.gif';
img_sho1_on  = new Image(); img_sho1_on.src  = 'sho1_on.gif';

img_str1_off = new Image(); img_str1_off.src = 'str1_off.gif';
img_str1_on  = new Image(); img_str1_on.src  = 'str1_on.gif';

img_obj1_off = new Image(); img_obj1_off.src = 'obj1_off.gif';
img_obj1_on  = new Image(); img_obj1_on.src  = 'obj1_on.gif';

img_cur1_off = new Image(); img_cur1_off.src = 'cur1_off.gif';
img_cur1_on  = new Image(); img_cur1_on.src  = 'cur1_on.gif';

img_pub1_off = new Image(); img_pub1_off.src = 'pub1_off.gif';
img_pub1_on  = new Image(); img_pub1_on.src  = 'pub1_on.gif';

img_cli1_off = new Image(); img_cli1_off.src = 'cli1_off.gif';
img_cli1_on  = new Image(); img_cli1_on.src  = 'cli1_on.gif';

img_cha1_off = new Image(); img_cha1_off.src = 'cha1_off.gif';
img_cha1_on  = new Image(); img_cha1_on.src  = 'cha1_on.gif';

img_orp1_off = new Image(); img_orp1_off.src = 'orp1_off.gif';
img_orp1_on  = new Image(); img_orp1_on.src  = 'orp1_on.gif';

img_pre1_off = new Image(); img_pre1_off.src = 'pre1_off.gif';
img_pre1_on  = new Image(); img_pre1_on.src  = 'pre1_on.gif';

img_con1_off = new Image(); img_con1_off.src = 'con1_off.gif';
img_con1_on  = new Image(); img_con1_on.src  = 'con1_on.gif';

img_fin1_off = new Image(); img_fin1_off.src = 'fin1_off.gif';
img_fin1_on  = new Image(); img_fin1_on.src  = 'fin1_on.gif';

img_geo_off = new Image(); img_geo_off.src = 'geo_off.gif';
img_geo_on  = new Image(); img_geo_on.src =  'geo_on.gif';

    }


function setpic (button,pic) {
   if (document.images) {document.images[button].src = eval(pic+".src");}
   }