// convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);
    
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    
    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
    
    var segnala_warning = (is_ie && !is_ie5_5up ) || (is_nav && (!is_nav4up || is_minor< 4.73));


function versioneBrowser()
{	if (segnala_warning) {
    	apri = window.open("../base/versioneBrowserAlert.jsp", "WARNING",
		"status=no,toolbar=no,location=no,menu=no,scrollbars=yes,width=416,height=308,resizable=no");
    }
	return false;
}
function versioneBrowserHome()
{	if (segnala_warning) {
    	apri = window.open("./base/versioneBrowserAlert.jsp", "WARNING",
		"status=no,toolbar=no,location=no,menu=no,scrollbars=yes,width=416,height=308,resizable=no");
    }	
	return false;
}
//ETI080018 M.B. inizio cancellazione   
//function versioneBrowserSecondoLivello()
//{	if (segnala_warning) {
//    	apri = window.open("../../base/versioneBrowserAlert.jsp", "WARNING",
//		"status=no,toolbar=no,location=no,menu=no,scrollbars=yes,width=416,height=308,resizable=no");
//    }	
//	return false;
//}
//ETI080018 M.B. fine cancellazione