function open_choose(goPage,nom,linkWidth,linkHeight,posX,posY,foc,struttura)
	{
if (struttura==1)
var pop=	window.open(goPage,nom,'width='+linkWidth+',height='+linkHeight+',status=yes,menubar=yes,scrollbars=yes,resizable=yes,screenX='+posX+',screenY='+posY+',left='+posX+',top='+posY);
else
var pop=	window.open(goPage,nom,'width='+linkWidth+',height='+linkHeight+',status=yes,menubar=no,scrollbars=no,resizable=no,screenX='+posX+',screenY='+posY+',left='+posX+',top='+posY);

	if ((foc==1)&&(navigator.appName=="Netscape" || document.all))
	pop.focus();
	else
	self.focus();
	}

/*restituisce una stringa con il browser in uso
n4 netscape 4 o inf
n5 netscape 5 o sup
i4 explorer 4 o inf
i5 explorer 5 o sup
un unknown*/
function checkbrowser()
{
var browserName=navigator.appName; 
var browserVer=parseInt(navigator.appVersion); 
if (browserName=="Netscape")
	{ if (browserVer<="4")
			{
			//alert("Your browser is netscape 4.x o inferiore");
			return "n4";
			}
	  else
	  		{
	   		//alert("Your browser is netscape 5.x o superiore");
			return "n5";
			}
	}
else
	{
	if (browserName=="Microsoft Internet Explorer")
		{ 
		if (browserVer<="4")
			{
			//alert("Your browser is Explorer 4.x o inferiore");
			return "i4";
			}
	  	else
			{
	   		//alert("Your browser is Explorer 5.x o superiore");
			return "i5";
			}
		}
	  	else
		{
	   	//alert("browser unknown");
		return "un";
		}
	}
}


//disabilita il pulsante del mouse
/*
//script disabilitato jul 2007
var message="Copyright (c) 1942-2005 Beppe Domenici";
function click(e) {
if (document.all) {
if (event.button==2||event.button==3) {
alert(message);
return false;
}
}
if (document.layers) {
if (e.which == 3) {
alert(message);
return false;
}
}
}
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;
*/