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.sidebar_df = new Image();
isimages.sidebar_df.src = "http://www.uta.edu/library/image/barhome.gif";

isimages.sidebar_ov = new Image();
isimages.sidebar_ov.src = "http://www.uta.edu/library/image/barhomeov.gif";

isimages.sidebar1_df = new Image();
isimages.sidebar1_df.src = "http://www.uta.edu/library/image/barcatalogs.gif";

isimages.sidebar1_ov = new Image();
isimages.sidebar1_ov.src = "http://www.uta.edu/library/image/barcatalogsov.gif";

isimages.sidebar2_df = new Image();
isimages.sidebar2_df.src = "http://www.uta.edu/library/image/barresearch.gif";

isimages.sidebar2_ov = new Image();
isimages.sidebar2_ov.src = "http://www.uta.edu/library/image/barresearchov.gif";

isimages.sidebar3_df = new Image();
isimages.sidebar3_df.src = "http://www.uta.edu/library/image/barservices.gif";

isimages.sidebar3_ov = new Image();
isimages.sidebar3_ov.src = "http://www.uta.edu/library/image/barservicesov.gif";

isimages.sidebar4_df = new Image();
isimages.sidebar4_df.src = "http://www.uta.edu/library/image/barusing.gif";

isimages.sidebar4_ov = new Image();
isimages.sidebar4_ov.src = "http://www.uta.edu/library/image/barusingov.gif";

isimages.sidebar5_df = new Image();
isimages.sidebar5_df.src = "http://www.uta.edu/library/image/barinfo.gif";

isimages.sidebar5_ov = new Image();
isimages.sidebar5_ov.src = "http://www.uta.edu/library/image/barinfoov.gif";

isimages.sidebar6_df = new Image();
isimages.sidebar6_df.src = "http://www.uta.edu/library/image/barask.gif";

isimages.sidebar6_ov = new Image();
isimages.sidebar6_ov.src = "http://www.uta.edu/library/image/baraskov.gif";

isimages.sidebar7_df = new Image();
isimages.sidebar7_df.src = "http://www.uta.edu/library/image/mainhelp.gif";

isimages.sidebar7_ov = new Image();
isimages.sidebar7_ov.src = "http://www.uta.edu/library/image/mainhelpov.gif";

isimages.sidebar8_df = new Image();
isimages.sidebar8_df.src = "http://www.uta.edu/library/image/baruta.gif";

isimages.sidebar8_ov = new Image();
isimages.sidebar8_ov.src = "http://www.uta.edu/library/image/barutaov.gif";

}
// end JavaScript. -->