var srce;

function updateBtn(image, btn) {
	var b = document.getElementById(btn);
	if (srce == "home") {
		b.src = "images/" + image;
	} else if (srce == "catalog") {
		b.src = "../images/" + image;
	}
}

function writeNavButtons(source) {
	srce = source;

	navLinks = new Array();
	navBtnIds = new Array();
	navImages = new Array();
	navAltTags = new Array();

	navLinks[0] = "index.html";
	navBtnIds[0] = "btnHome";
	navImages[0] = "btn_home";
	navAltTags[0] = "Home";

	navLinks[1] = "aboutTriState.html";
	navBtnIds[1] = "btnAboutUs";
	navImages[1] = "btn_aboutTriState";
	navAltTags[1] = "About Tri-State Truck and Equipment Sales";

	navLinks[2] = "catalog.html";
	navBtnIds[2] = "btnCatalog";
	navImages[2] = "btn_catalog";
	navAltTags[2] = "Catalog";

	navLinks[3] = "vehicleToSell.html";
	navBtnIds[3] = "btnVehicleToSell";
	navImages[3] = "btn_vehicleToSell";
	navAltTags[3] = "Have a vehicle to sell and think Tri-State might be interested?";

	navLinks[4] = "contactUs.html";
	navBtnIds[4] = "btnContactUs";
	navImages[4] = "btn_contactUs";
	navAltTags[4] = "Contact Us";

	document.write("<p align='center' style='font-family:arial; font-size:10px; color:#FFFFFF'>");

	if (source == "home") {
		for (i=0; i<navLinks.length; i++) {
				document.write("\t<br>\n\t<a href='" + navLinks[i] + "' target='_top'><img id='" + navBtnIds[i] + "' src='images/" + navImages[i] + ".gif' alt='" + navAltTags[i] + "' border='0'></a><br>\n");
		}
	} else if (source == "catalog") {
		for (i=0; i<navLinks.length; i++) {
				document.write("\t<br>\n\t<a href='../" + navLinks[i] + "' target='_top'><img id='" + navBtnIds[i] + "' src='../images/" + navImages[i] + ".gif' alt='" + navAltTags[i] + "' border='0'></a><br>\n");
		}
	}

	document.write("</p>\n");
}