/*========== funzioni menu a tendina ==============*/

$(document).ready(function(){ 
	$("ul.sf-menu").supersubs({ 
		minWidth:    20,   // minimum width of sub-menus in em units 
		maxWidth:    20,   // maximum width of sub-menus in em units 
		extraWidth:  1     // extra width can ensure lines don't sometimes turn over 
						   // due to slight rounding differences and font-family 
	}).superfish();  // call supersubs first, then superfish, so that subs are 
					 // not display:none when measuring. Call before initialising 
					 // containing tabs for same reason. 
});