var rHome = new Rollover("btnHome", "images/btnHomeon.gif", "");
var rBuild = new Rollover("btnBuild", "images/btnBuildon.gif", "");
var rSelectModel = new Rollover("btnSelectModel", "images/btnSelectModelon.gif", "");
var rDistributor= new Rollover("btnDistributor", "images/btnDistributoron.gif", "");
var rService = new Rollover("btnService", "images/btnServiceon.gif", "");
var rWorkinProcess = new Rollover("btnWorkinProcess", "images/btnWorkinProcesson.gif", "");
var rShoppingCart = new Rollover("btnShoppingCart", "images/btnShoppingCarton.gif", "");