<!--
isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
isamap[2] = "_ot"
isamap[3] = "_dn"

function isimgact(id, act)
{
        if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");
}

if (document.images) { // ensure browser can do JavaScript rollovers.
isimages = new Object();
isimages.elgin_df = new Image();
isimages.elgin_df.src = "images/buttons/elgin.png";

isimages.elgin_ov = new Image();
isimages.elgin_ov.src = "images/buttons/elginov.png";

isimages.elgin_dn = new Image();
isimages.elgin_dn.src = "images/buttons/elgindn.png";

isimages.illinois_df = new Image();
isimages.illinois_df.src = "images/buttons/illinois.png";

isimages.illinois_ov = new Image();
isimages.illinois_ov.src = "images/buttons/illinoisov.png";

isimages.illinois_dn = new Image();
isimages.illinois_dn.src = "images/buttons/illinoisdn.png";

isimages.waltham_df = new Image();
isimages.waltham_df.src = "images/buttons/waltham.png";

isimages.waltham_ov = new Image();
isimages.waltham_ov.src = "images/buttons/walthamov.png";

isimages.waltham_dn = new Image();
isimages.waltham_dn.src = "images/buttons/walthamdn.png";

isimages.hamilton_df = new Image();
isimages.hamilton_df.src = "images/buttons/hamilton.png";

isimages.hamilton_ov = new Image();
isimages.hamilton_ov.src = "images/buttons/hamiltonov.png";

isimages.hamilton_dn = new Image();
isimages.hamilton_dn.src = "images/buttons/hamiltondn.png";



}
// end JavaScript. -->