if (document.images) {
	image1on = new Image();
	image1on.src = "images/linkHomeH.gif";

	image2on = new Image();
	image2on.src = "images/linkEngageH.gif";
	  
	image3on = new Image();
	image3on.src = "images/linkContactH.gif";
	
	image1off = new Image();
	image1off.src = "images/linkHome.gif";

	image2off = new Image();
	image2off.src = "images/linkEngage.gif";

	image3off = new Image();
	image3off.src = "images/linkContact.gif";}

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

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