$(document).ready(function(){ 
                $("ul.sf-menu").supersubs({ 
                    minWidth:    15,   // minimum width of sub-menus in em units 
                    maxWidth:    30,   // 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. 
            });