if (document.images) {

	homeon = new Image();
	homeon.src = "images/mnu_hom_h.gif";
	trainingon = new Image();
	trainingon.src = "images/mnu_tra_h.gif";
	serviceson = new Image();
	serviceson.src = "images/mnu_ser_h.gif";
	devon = new Image();
	devon.src = "images/mnu_dev_h.gif";
	docon = new Image();
	docon.src = "images/mnu_doc_h.gif";
	conon = new Image();
	conon.src = "images/mnu_con_h.gif";

	homeoff = new Image();
	homeoff.src = "images/mnu_hom.gif";
	trainingoff = new Image();
	trainingoff.src = "images/mnu_tra.gif";
	servicesoff = new Image();
	servicesoff.src = "images/mnu_ser.gif";
	devoff = new Image();
	devoff.src = "images/mnu_dev.gif";
	docoff = new Image();
	docoff.src = "images/mnu_doc.gif";
	conoff = new Image();
	conoff.src = "images/mnu_con.gif";
}

function Highlight(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName + 'on.src');
	}
}

function Regular(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName + 'off.src');
	}
}