jQuery.fn.superfish.defaults = { 
    hoverClass:    'sfHover',          // the class applied to hovered list items 
    pathClass:     'overideThisToUse', // the class you have applied to list items that lead to the current page 
    pathLevels:    1,                  // the number of levels of submenus that remain open or are restored using pathClass 
    delay:         800,                // the delay in milliseconds that the mouse can remain outside a submenu without it closing 
    animation:     {opacity:'show',height:'show'},   // an object equivalent to first parameter of jQuery’s .animate() method // slide-down // {opacity:'show',height:'show'},
    speed:         'normal',           // speed of the animation. Equivalent to second parameter of jQuery’s .animate() method 
    autoArrows:    false,               // if true, arrow mark-up generated automatically = cleaner source code at expense of initialisation performance 
    dropShadows:   true,               // completely disable drop shadows by setting this to false 
    disableHI:     false,              // set to true to disable hoverIntent detection 
    onInit:        function(){},       // callback function fires once Superfish is initialised – 'this' is the containing ul 
    onBeforeShow:  function(){},       // callback function fires just before reveal animation begins – 'this' is the ul about to open 
    onShow:        function(){},       // callback function fires once reveal animation completed – 'this' is the opened ul 
    onHide:        function(){}        // callback function fires after a sub-menu has closed – 'this' is the ul that just closed 
};