if (document.images) {
hom_on = new Image();	hom_on.src = def_path+"images/roll/home_on.gif";
hom_off = new Image();	hom_off.src = def_path+"images/roll/home_off.gif";
bio_on = new Image();	bio_on.src = def_path+"images/roll/bio_on.gif";
bio_off = new Image();	bio_off.src = def_path+"images/roll/bio_off.gif";
mus_on = new Image();	mus_on.src = def_path+"images/roll/music_on.gif";
mus_off = new Image();	mus_off.src = def_path+"images/roll/music_off.gif";
sho_on = new Image();	sho_on.src = def_path+"images/roll/showdates_on.gif";
sho_off = new Image();	sho_off.src = def_path+"images/roll/showdates_off.gif";
mai_on = new Image();	mai_on.src = def_path+"images/roll/maillist_on.gif";
mai_off = new Image();	mai_off.src = def_path+"images/roll/maillist_off.gif";
blo_on = new Image();	blo_on.src = def_path+"images/roll/newsblog_on.gif";
blo_off = new Image();	blo_off.src = def_path+"images/roll/newsblog_off.gif";
pre_on = new Image();	pre_on.src = def_path+"images/roll/press_on.gif";
pre_off = new Image();	pre_off.src = def_path+"images/roll/press_off.gif";
con_on = new Image();	con_on.src = def_path+"images/roll/contact_on.gif";
con_off = new Image();	con_off.src = def_path+"images/roll/contact_off.gif";
}