// Initialise Superfish 
$(document).ready(function(){ 
        $("ul#nav").supersubs({ 
            minWidth:    12,   	// minimum width of sub-menus in em units 
            maxWidth:    40,   	// maximum width of sub-menus in em units 
            extraWidth:  1,     // extra width can ensure lines don't sometimes turn over
			speed:		'fast', // speed of the animation.
                               	// 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. 
    });