if (document.images) {

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    but1b = new Image(89, 24); but1b.src = "/images/menu/HomeOver.png";
	but2a = new Image(89, 24); but2a.src = "/images/menu/News.png";
	but2b = new Image(89, 24); but2b.src = "/images/menu/NewsOver.png";
	but3a = new Image(89, 24); but3a.src = "/images/menu/Projects.png";
	but3b = new Image(89, 24); but3b.src = "/images/menu/ProjectsOver.png";
	but4a = new Image(149, 24); but4a.src = "/images/menu/CompanyInfo.png";
	but4b = new Image(149, 24); but4b.src = "/images/menu/CompanyInfoOver.png";
	but5a = new Image(149, 24); but5a.src = "/images/menu/InvestorInfo.png";
	but5b = new Image(149, 24); but5b.src = "/images/menu/InvestorInfoOver.png";
	but6a = new Image(149, 24); but6a.src = "/images/menu/CorpGov.png";
	but6b = new Image(149, 24); but6b.src = "/images/menu/CorpGovOver.png";
	but7a = new Image(90, 24); but7a.src = "/images/menu/WorkWithUs.png";
	but7b = new Image(90, 24); but7b.src = "/images/menu/WorkWithUsOver.png";
	but8a = new Image(89, 24); but8a.src = "/images/menu/ContactUs.png";
	but8b = new Image(89, 24); but8b.src = "/images/menu/ContactUsOver.png";
	but9a = new Image(89, 24); but9a.src = "/images/menu/VisitUs.png";
	but9b = new Image(89, 24); but9b.src = "/images/menu/VisitUsOver.png";
}