function centradiv(div_id,height) {
	var availHeight = height;
	if (self.innerHeight){availHeight = self.innerHeight;}
	else if (document.documentElement && document.documentElement.clientHeight){availHeight = document.documentElement.clientHeight;}
	else if (document.body){availHeight = document.body.clientHeight;}
	var top = Math.floor((availHeight - height) / 2);
	if (top<0) {top = 0;}
	top = top+'px';
	document.getElementById('superWrapper').style.top = top; 
}


function sfoglio(catalogo,lang) {
	window.open( "/f/sfoglio.php?catalogo="+catalogo+"&lang="+lang, "Busnelli", "status=0, height=600 , width=850 , resizable=0" )
}