if (document.images) {

	var imagesNormal = new Object();

            imagesNormal["mission"] = new Image(113,26);
	imagesNormal["mission"].src = "images/nav_mission_off.gif";
            imagesNormal["solution"] = new Image(113,26);
	imagesNormal["solution"].src = "images/nav_solutions_off.gif";
            imagesNormal["news"] = new Image(113,26);
	imagesNormal["news"].src = "images/nav_news_off.gif";
            imagesNormal["about"] = new Image(110,26);
	imagesNormal["about"].src = "images/nav_about_off.gif";
            imagesNormal["approach"] = new Image(113,26);
	imagesNormal["approach"].src = "images/nav_approach_off.gif";


	var imagesHilite = new Object();
         
          	imagesHilite["mission"] = new Image(113,26);
	imagesHilite["mission"].src = "images/nav_mission_on.gif";
            imagesHilite["solution"] = new Image(113,26);
	imagesHilite["solution"].src = "images/nav_solutions_on.gif";
            imagesHilite["news"] = new Image(113,26);
	imagesHilite["news"].src = "images/nav_news_on.gif";
            imagesHilite["about"] = new Image(110,26);
	imagesHilite["about"].src = "images/nav_about_on.gif";
            imagesHilite["approach"] = new Image(113,26);
	imagesHilite["approach"].src = "images/nav_approach_on.gif";

}

function setImage(imgName, type) {

	if (document.images) {

		if (type == "hilite") {

			document.images[imgName].src = imagesHilite[imgName].src;
			return true;

		} else if (type == "normal") {

			document.images[imgName].src = imagesNormal[imgName].src;
			return true;

		}

	}

	return false;

}

function showSubNavigation() {

  var showLayer = false;



    document.getElementById("s").style.visibility = "visible";

  

}