what_we_do_on = new Image();
what_we_do_on.src = "images/what_we_do_on.gif";
what_we_do_off = new Image();
what_we_do_off.src = "images/what_we_do_off.gif";

credentials_on = new Image();
credentials_on.src = "images/credentials_on.gif";
credentials_off = new Image();
credentials_off.src = "images/credentials_off.gif";

case_studies_on = new Image();
case_studies_on.src = "images/case_studies_on.gif";
case_studies_off = new Image();
case_studies_off.src = "images/case_studies_off.gif";

about_us_on = new Image();
about_us_on.src = "images/about_us_on.gif";
about_us_off = new Image();
about_us_off.src = "images/about_us_off.gif";

about_pinnacle_on = new Image();
about_pinnacle_on.src = "images/about_pinnacle_on.gif";
about_pinnacle_off = new Image();
about_pinnacle_off.src = "images/about_pinnacle_off.gif";

contact_on = new Image();
contact_on.src = "images/contact_on.gif";
contact_off = new Image();
contact_off.src = "images/contact_off.gif";

home_on = new Image();
home_on.src = "images/home_on.gif";
home_off = new Image();
home_off.src = "images/home_off.gif";


function swapperon(ident){
document[ident].src = eval(ident + "_on" + ".src");
}

function swapperoff(ident){
document[ident].src = eval(ident + "_off" + ".src");
}