//preload the rollover images
<!--
if (document.images){
	//preload rollovers
	img1 = new Image();
	img1.src = "navImgs/services_on.gif";
	img2 = new Image();
	img2.src = "navImgs/arborAdv_on.gif";
	img3 = new Image();
	img3.src = "navImgs/gardenCal_on.gif";
	img4 = new Image();
	img4.src = "navImgs/about-us-on.gif";
	img5 = new Image();
	img5.src = "navImgs/factSheets_on.gif";
	img6 = new Image();
	img6.src = "navImgs/contact_on.gif";
}
//rollover function
function roll(img,state){
	if (img == 1 && (state))  document.services.src = img1.src;
	if (img == 1 && !(state)) document.services.src = "navImgs/services.gif";
	if (img == 2 && (state))  document.arborAdv.src = img2.src;
	if (img == 2 && !(state)) document.arborAdv.src = "navImgs/arborAdv.gif";
	if (img == 3 && (state))  document.gardenCal.src = img3.src;
	if (img == 3 && !(state)) document.gardenCal.src = "navImgs/gardenCal.gif";
	if (img == 4 && (state))  document.news.src = img4.src;
	if (img == 4 && !(state)) document.news.src = "navImgs/about-us.gif";
	if (img == 5 && (state))  document.problems.src = img5.src;
	if (img == 5 && !(state)) document.problems.src = "navImgs/factSheets.gif";
	if (img == 6 && (state))  document.contact.src = img6.src;
	if (img == 6 && !(state)) document.contact.src = "navImgs/contact.gif";
}
//-->