$(document).ready(function() {
           //Code goes here
           
           //On Hover Over
            function megaHoverOver(){
                $(this).find(".sub").stop().fadeTo('fast', 1).show(); //Find sub and fade it in
                (function($) {
                    //Function to calculate total width of all ul's
                    jQuery.fn.calcSubWidth = function() {
                        rowWidth = 0;
                        //Calculate row
                        $(this).find("ul").each(function() { //for each ul...
                            rowWidth += $(this).width(); //Add each ul's width together
                        });
                    };
                })(jQuery); 
            
                if ( $(this).find(".row").length > 0 ) { //If row exists...
            
                    var biggestRow = 0;	
            
                    $(this).find(".row").each(function() {	//for each row...
                        $(this).calcSubWidth(); //Call function to calculate width of all ul's
                        //Find biggest row
                        if(rowWidth > biggestRow) {
                            biggestRow = rowWidth;
                        }
                    });
            
                    $(this).find(".sub").css({'width' :biggestRow}); //Set width
                    $(this).find(".row:last").css({'margin':'0'});  //Kill last row's margin
            
                } else { //If row does not exist...
            
                    $(this).calcSubWidth();  //Call function to calculate width of all ul's
                    $(this).find(".sub").css({'width' : rowWidth}); //Set Width
            
                }
            }
            //On Hover Out
            function megaHoverOut(){
              $(this).find(".sub").stop().fadeTo('fast', 0, function() { //Fade to 0 opactiy
                  $(this).hide();  //after fading, hide it
              });
            }
            //Set custom configurations
            var config = {
                 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)
                 interval: 100, // number = milliseconds for onMouseOver polling interval
                 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)
                 timeout: 500, // number = milliseconds delay before onMouseOut
                 out: megaHoverOut // function = onMouseOut callback (REQUIRED)
            };
            
            $("ul#topnav li .sub").css({'opacity':'0'}); //Fade sub nav to 0 opacity on default
            $("ul#topnav li").hoverIntent(config); //Trigger Hover intent with custom configurations
        });