MSFPhover = 
 (((navigator.appName == "Netscape") && 
 (parseInt(navigator.appVersion) >= 3 )) || 
 ((navigator.appName == "Microsoft Internet Explorer") && 
 (parseInt(navigator.appVersion) >= 4 ))); 
function MSFPpreload(img) 
{
 var a=new Image(); a.src=img; return a; 
}

function invertiM(myObj){
	if(myObj.style.visibility=='hidden'){
		myObj.style.visibility='visible';
	}
	else {
		myObj.style.visibility='hidden';
	}
}

function invertiV(myObj){
	if(myObj.value=='V'){
		myObj.value='-';
	}
	else {
		myObj.value='V';
	}
}

function apriM(myObj){
	if(myObj.style.visibility=='hidden'){
		myObj.style.visibility='visible';
	}
}

function chiudiM(myObj){
	if(myObj.style.visibility=='visible'){
		myObj.style.visibility='hidden';
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_openBrWindow_Wref(theURL,winName,features) { //v2.0
	theURL = theURL + document.location.href;
	window.open(theURL,winName,features);
}

function cancelRefresh()
{
  if (window.event && window.event.keyCode == 116) {
    window.event.keyCode = 8;
  }
}