imgReg = new Image();
imgReg.src="./images/exhibitors-reg.jpg";
imgRegFocus = new Image();
imgRegFocus.src="./images/exhibitors-reg-focus.jpg";
imgNew = new Image();
imgNew.src="./images/exhibitors-reg-new.jpg";
imgNewFocus = new Image();
imgNewFocus.src="./images/exhibitors-reg-new-focus.jpg";
imgReturn = new Image();
imgReturn.src="./images/exhibitors-reg-return.jpg";
imgReturnFocus = new Image();
imgReturnFocus.src="./images/exhibitors-reg-return-focus.jpg";