// Begin


if (document.images) {


nexton = new Image();
nexton.src = "graphics/gal-nexton.gif"

nextoff = new Image();
nextoff.src = "graphics/gal-nextoff.gif"

backon = new Image();
backon.src = "graphics/gal-backon.gif"

backoff = new Image();
backoff.src = "graphics/gal-backoff.gif"

indexon = new Image();
indexon.src = "graphics/gal-indexon.gif"

indexoff = new Image();
indexoff.src = "graphics/gal-indexoff.gif"

viewerbackon = new Image();
viewerbackon.src = "graphics/viewer-backon.gif"

viewerbackoff = new Image();
viewerbackoff.src = "graphics/viewer-backoff.gif"

tourcloseon = new Image();
tourcloseon.src = "graphics/tour-closeon.gif"

tourcloseoff = new Image();
tourcloseoff.src = "graphics/tour-closeoff.gif"


}

function img_act(imgName) {
if (document.images) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;
}
}

function img_inact(imgName) {
if (document.images) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;
}
}

// -->