$(document).ready(function() {

    

    //alert ('test document');

    function megaHoverOver(){

        $(this).find(".sub").stop().fadeTo('fast', 1).show();

            

        //Calculate width of all ul's

        (function($) { 

            jQuery.fn.calcSubWidth = function() {

                rowWidth = 0;

                //Calculate row

                $(this).find("ul").each(function() {                    

                    rowWidth += $(this).width(); 

                }); 

            };

        })(jQuery); 

        

        if ( $(this).find(".row").length > 0 ) { //If row exists...

            var biggestRow = 0; 

            //Calculate each row

            $(this).find(".row").each(function() {                             

                $(this).calcSubWidth();

                //Find biggest row

                if(rowWidth > biggestRow) {

                    biggestRow = rowWidth;

                }

            });

            //Set width

            $(this).find(".sub").css({'width' :biggestRow});

            $(this).find(".row:last").css({'margin':'0'});

            

        } else { //If row does not exist...

            

            $(this).calcSubWidth();

            //Set Width

            $(this).find(".sub").css({'width' : rowWidth});

            

        }

    }

    

    function megaHoverOut(){ 

      $(this).find(".sub").stop().fadeTo('fast', 0, function() {

          $(this).hide(); 

      });

    }

 

 

    var config = {    

         sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    

         interval: 0, // number = milliseconds for onMouseOver polling interval    

         over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    

         timeout: 0, // number = milliseconds delay before onMouseOut    

         out: megaHoverOut // function = onMouseOut callback (REQUIRED)    

    };

 

    $("ul#topnav li .sub").css({'opacity':'0'});

    $("ul#topnav li").hoverIntent(config);

 

 

 

});