false, false --> true) return !reg.test(keychar); } function nav_on(what,where) { if (!where) { where = "top"; } what.className = where + "_nav_on"; } function nav_off(what,where) { if (!where) { where = "top"; } what.className = where + "_nav"; } // include these statements in script to preload images used by msover & msout //preload_off = new Array (); //preload_on = new Array (); //preload_img(base_imgs,'off'); //preload_img(new_imgs,'on'); //close off comment to hide this script from old browsers----------->