window.onerror=null;

browserName = navigator.appName;

browserVer = parseInt(navigator.appVersion);



	if(browserName=="Netscape" && browserVer >= 3) ver = "yes";

	else ver = "yes";

	if(ver == "yes") {



	nome1 = new Image(); nome1.src ="images/pulsante_trasp_grigio.gif";

	nome2 = new Image(); nome2.src ="images/pulsante_trasp.gif";


	}



function active(imgName)

{

	if (ver == "yes")  {

	img1 = eval("nome" + "1.src");

	document [imgName].src = img1;

	}}



function inactive(imgName){

	if (ver == "yes")  {

	img2 = eval("nome" + "2.src");

	document [imgName].src = img2;

	}}