if(document.images) {
	var topHomeButton = new Image();
	topHomeButton.src = "images/topHomeButton.jpg";
	var topHomeButtonOver = new Image();
	topHomeButtonOver.src = "images/topHomeButtonOver.jpg";

	var topTreatmentsButton = new Image();
	topTreatmentsButton.src = "images/topTreatmentsButton.jpg";
	var topTreatmentsButtonOver = new Image();
	topTreatmentsButtonOver.src = "images/topTreatmentsButtonOver.jpg";

	var topProductsButton = new Image();
	topProductsButton.src = "images/topProductsButton.jpg";
	var topProductsButtonOver = new Image();
	topProductsButtonOver.src = "images/topProductsButtonOver.jpg";

	var topFAQsButton = new Image();
	topFAQsButton.src = "images/topFAQsButton.jpg";
	var topFAQsButtonOver = new Image();
	topFAQsButtonOver.src = "images/topFAQsButtonOver.jpg";

	var topContactButton = new Image();
	topContactButton.src = "images/topContactButton.jpg";
	var topContactButtonOver = new Image();
	topContactButtonOver.src = "images/topContactButtonOver.jpg";
}

function act(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "Over.src");
}

function inact(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + ".src");
}