ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
ns6 = ((document.getElementById)&&(!ie4))? true:false
mac = (navigator.userAgent.indexOf("Mac") != -1);  


//  rollover
function show(a, b) {	
	if (document.images) {
		document.images[a].src = "/ptsonweb/img/"+b+"";


  }	
}

function Apri(quale) { 
if (quale == "1")
window.open('pop_up.jsp','learning','width=606,height=356,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0');
if (quale == "2")
window.open('pop_up.htm','training','width=300,height=100,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0'); 
if (quale == "3")
window.open('pop_up.htm','consulenza','width=606,height=356,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0');
if (quale == "4")
window.open('sw_1.htm','Software1','width=400,height=300,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=yes,resizable=0'); 
if (quale == "5")
window.open('sw_2.htm','Software2','width=400,height=300,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=yes,resizable=0'); 
if (quale == "6")
window.open('ISPI.jsp','ISPI','width=300,height=150,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=yes,resizable=0');
}