$(document).ready(function () {

            //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#topnav1 li .sub").css({ 'opacity': '0' }); //Fade sub nav to 0 opacity on default
            $("ul#topnav1 li").hoverIntent(config); //Trigger Hover intent with custom configurations
            $("ul#topnav2 li .sub").css({ 'opacity': '0' }); //Fade sub nav to 0 opacity on default
            $("ul#topnav2 li").hoverIntent(config); //Trigger Hover intent with custom configurations

    });