$(document).ready(function(){ 
    $("#left-nav-menu").supersubs({ 
        minWidth:    12,   // minimum width of sub-menus in em units 
        maxWidth:    27,   // 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({
    	autoArrows : true,
        animation: {opacity:'show'},
        delay: 10,
        speed: 'fast'
    }); 
});