function hilite(thing) {
onpath = "http://vaboatshow.com/images/tabs/tab_" + thing + "_over.gif";
nameo = thing + "_bt";
document.images[nameo].src=onpath;
}

function lolite(thing) {
onpath = "http://vaboatshow.com/images/tabs/tab_" + thing + ".gif";
nameo = thing + "_bt";
document.images[nameo].src=onpath;
}