wob = new Image();
wob.src="images/buttons/wob.jpg";
wobRO = new Image();
wobRO.src="images/buttons/wob_over.jpg";

customer_profile = new Image();
customer_profile.src="images/buttons/customer_profile.jpg";
customer_profileRO = new Image();
customer_profileRO.src="images/buttons/customer_profile_over.jpg";

fe = new Image();
fe.src="images/buttons/fe.jpg";
feRO = new Image();
feRO.src="images/buttons/fe_over.jpg";

news_pr = new Image();
news_pr.src="images/buttons/news_pr.jpg";
news_prRO = new Image();
news_prRO.src="images/buttons/news_pr_over.jpg";

rel = new Image();
rel.src="images/buttons/rel.jpg";
relRO = new Image();
relRO.src="images/buttons/rel_over.jpg";

sbl = new Image();
sbl.src="images/buttons/sbl.jpg";
sblRO = new Image();
sblRO.src="images/buttons/sbl_over.jpg";

function over(item) {
    document.getElementById(item).src=eval(item+"RO").src;

}
function out(item) {
    document.getElementById(item).src=eval(item).src;
}