if(document.images){//conduct an object test. (if there's no "images" object, don't bother)

var on1 = new Image();on1.src="images/f_bountiful.gif";

var off1 = new Image();off1.src="images/blank.gif";

var on2 = new Image();on2.src="images/f_investment.gif";

var on3 = new Image();on3.src="images/f_biotech.gif";

var on4 = new Image();on4.src="images/f_fins.gif";

var on5 = new Image();on5.src="images/f_beaten.gif";

var on6 = new Image();on6.src="images/f_pests.gif";

var on7 = new Image();on7.src="images/f_farm.gif";

var on8 = new Image();on8.src="images/f_college.gif";

var on9 = new Image();on9.src="images/n_news.gif";

var on10 = new Image();on10.src="images/n_alumni.gif";

var on11 = new Image();on11.src="images/n_giving.gif";

var oncb =  new Image();oncb.src ="images/c_bountiful_o.jpg";
var offcb = new Image();offcb.src="images/c_bountiful.jpg";

var onci =  new Image();onci.src ="images/c_investment_o.jpg";
var offci = new Image();offci.src="images/c_investment.jpg";

var oncbio =  new Image();oncbio.src ="images/c_biotech_o.jpg";
var offcbio = new Image();offcbio.src="images/c_biotech.jpg";

var oncf =  new Image();oncf.src ="images/c_fins_o.jpg";
var offcf = new Image();offcf.src="images/c_fins.jpg";

var oncbeat =  new Image();oncbeat.src ="images/c_beaten_o.jpg";
var offcbeat = new Image();offcbeat.src="images/c_beaten.jpg";

var oncp =  new Image();oncp.src ="images/c_pests_o.jpg";
var offcp = new Image();offcp.src="images/c_pests.jpg";

var oncfarm =  new Image();oncfarm.src ="images/c_farm_o.jpg";
var offcfarm = new Image();offcfarm.src="images/c_farm.jpg";

var oncc =  new Image();oncc.src ="images/c_college_o.jpg";
var offcc = new Image();offcc.src="images/c_college.jpg";

}

function change(name,file){
if(document.images){//object test
eval('document.images.'+name+'.src="'+file+'";');
 }
}