//***********************************************************************
function detectbrw(url){
//riconosce il browser in uso
var browserName=navigator.appName; 
	if (browserName=="Netscape")
	{ 
	 alert("Hi Netscape User!");
	}
	else 
	{ 
	 if (browserName=="Microsoft Internet Explorer")
	 {
	  alert("Hi, Explorer User!");
	 }
	 else
	  {
		alert("What ARE you browsing with here?");
	   }
	}
}
//***********************************************************************
function modalWin(url, name) {
//apre una finestra modale
	if (window.showModalDialog) {
		window.showModalDialog(url,name,"dialogWidth:500px;dialogHeight:550px");
	} else {
		window.open(url,name, 'height=500,width=500,toolbar=no,directories=no,status=no, continued from previous linemenubar=no,scrollbars=no,resizable=no ,modal=yes');
	}
}