window.onerror = null;
var netscape = 0;
var goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
{ netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
{ goodIE = 1; }

if (netscape || goodIE) {
names = new Array(  "contactenos" , "mapa", "inicio", "empresa", "servicios", "presupuestos", "informacion", "talleres", "smedia");
        buttons = new Array(22);
for (m=0; m<=21; m++) {
buttons[m] = new Image(); }
        buttons[0].src = "img/bot_contactenos_0.gif";
        buttons[1].src = "img/bot_contactenos_1.gif";
        buttons[2].src = "img/bot_mapa_0.gif";
        buttons[3].src = "img/bot_mapa_1.gif";
        buttons[4].src = "img/bot_inicio_0.gif";
        buttons[5].src = "img/bot_inicio_1.gif";
        buttons[6].src = "img/bot_la_empresa_0.gif";
        buttons[7].src = "img/bot_la_empresa_1.gif";
        buttons[8].src = "img/bot_servicios_0.gif";
        buttons[9].src = "img/bot_servicios_1.gif";
        buttons[10].src = "img/bot_presupuestos_0.gif";
        buttons[11].src = "img/bot_presupuestos_1.gif";
        buttons[12].src = "img/bot_informacion_0.gif";
        buttons[13].src = "img/bot_informacion_1.gif";
        buttons[14].src = "img/bot_talleres_0.gif";
	buttons[15].src = "img/bot_talleres_1.gif";
	buttons[16].src = "img/smedia.gif";
	buttons[17].src = "img/smedia1.gif";
        }
        


function swap(des,num) {
if (netscape || goodIE) {
document.images[names[des]].src = buttons[num].src;  }}