// image_path is an external variable

 Aon = new Image();
 Aon.src = image_path + "but_special_on.jpg";
 Aoff = new Image();
 Aoff.src = image_path + "but_special_off.jpg";

 Bon = new Image();
 Bon.src = image_path + "but_about_on.jpg";
 Boff = new Image();
 Boff.src = image_path + "but_about_off.jpg";

 Con = new Image();
 Con.src = image_path + "but_events_on.jpg";
 Coff = new Image();
 Coff.src = image_path + "but_events_off.jpg";

 Don = new Image();
 Don.src = image_path + "but_bibliography_on.jpg";
 Doff = new Image();
 Doff.src = image_path + "but_bibliography_off.jpg";

 Eon = new Image();
 Eon.src = image_path + "but_gallery_on.jpg";
 Eoff = new Image();
 Eoff.src = image_path + "but_gallery_off.jpg";

 Fon = new Image();
 Fon.src = image_path + "but_links_on.jpg";
 Foff = new Image();
 Foff.src = image_path + "but_links_off.jpg";

 Gon = new Image();
 Gon.src = image_path + "but_gbook_on.jpg";
 Goff = new Image();
 Goff.src = image_path + "but_gbook_off.jpg";
 
 Hon = new Image();
 Hon.src = image_path + "but_forum_on.jpg";
 Hoff = new Image();
 Hoff.src = image_path + "but_forum_off.jpg";
 
 Ion = new Image();
 Ion.src = image_path + "mailto_glow.jpg";
 Ioff = new Image();
 Ioff.src = image_path + "mailto_nonglow.jpg";
 
 function swapImage(imgName) {
         document.images[imgName].src = eval(imgName + "on.src")
 }

 function imageRestore(imgName) {
         document.images[imgName].src = eval(imgName + "off.src")
 }

 M0on = new Image();
 M0on.src = image_path + "head_menu_main_on.jpg";
 M0off = new Image();
 M0off.src = image_path + "head_menu_main_off.jpg";

 MAon = new Image();
 MAon.src = image_path + "but_special_on.jpg";
 MAoff = new Image();
 MAoff.src = image_path + "but_special_off.jpg";

 MBon = new Image();
 MBon.src = image_path + "head_menu_about_on.jpg";
 MBoff = new Image();
 MBoff.src = image_path + "head_menu_about_off.jpg";

 MCon = new Image();
 MCon.src = image_path + "head_menu_events_on.jpg";
 MCoff = new Image();
 MCoff.src = image_path + "head_menu_events_off.jpg";

 MDon = new Image();
 MDon.src = image_path + "head_menu_bibl_on.jpg";
 MDoff = new Image();
 MDoff.src = image_path + "head_menu_bibl_off.jpg";

 MEon = new Image();
 MEon.src = image_path + "head_menu_gallery_on.jpg";
 MEoff = new Image();
 MEoff.src = image_path + "head_menu_gallery_off.jpg";

 MFon = new Image();
 MFon.src = image_path + "head_menu_links_on.jpg";
 MFoff = new Image();
 MFoff.src = image_path + "head_menu_links_off.jpg";

 MGon = new Image();
 MGon.src = image_path + "head_menu_guest_on.jpg";
 MGoff = new Image();
 MGoff.src = image_path + "head_menu_guest_off.jpg";
 
 MHon = new Image();
 MHon.src = image_path + "head_menu_forum_on.jpg";
 MHoff = new Image();
 MHoff.src = image_path + "head_menu_forum_off.jpg";