if (document.images) {
contactoff = new Image();
contactoff.src = "http://www.b-cp.com/images/header/contact.gif";
loginoff = new Image();
loginoff.src = "http://www.b-cp.com/images/header/login.gif";
sitemapoff = new Image();
sitemapoff.src = "http://www.b-cp.com/images/header/sitemap.gif";

contacton = new Image();
contacton.src = "http://www.b-cp.com/images/header/contacton.gif";
loginon = new Image();
loginon.src = "http://www.b-cp.com/images/header/loginon.gif";
sitemapon = new Image();
sitemapon.src = "http://www.b-cp.com/images/header/sitemapon.gif";

backoff = new Image();
backoff.src = "http://www.b-cp.com/images/back.gif";
backon = new Image();
backon.src = "http://www.b-cp.com/images/backon.gif";

advancedon = new Image();
advancedon.src = "http://www.b-cp.com/images/advancedon.gif";
advancedoff = new Image();
advancedoff.src = "http://www.b-cp.com/images/advanced.gif";

searchon = new Image();
searchon.src = "http://www.b-cp.com/images/search-arrowon.gif";
searchoff = new Image();
searchoff.src = "http://www.b-cp.com/images/search-arrow.gif";

vson = new Image();
vson.src = "http://www.b-cp.com/images/vson.gif";
vsoff = new Image();
vsoff.src = "http://www.b-cp.com/images/vs.gif";
}

function ShowHide(imgDocID,imgObjName) {
if (document.images) 
document.images[imgDocID].src = eval(imgObjName + ".src")
}