$(document).ready(function() {
	//On Hover Over
	function megaHoverOver(){
    $(this).find(".subnav").stop().fadeTo('fast', 1).show(); //Find subnav and fade it in
	//$(this).find(".subnav").fadeTo('fast', 1).show(); //Find subnav and fade it in
    (function($) {
        //Function to calculate total width of all ul's
        jQuery.fn.calcsubnavWidth = 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).calcsubnavWidth(); //Call function to calculate width of all ul's
            //Find biggest row
            if(rowWidth > biggestRow) {
                biggestRow = rowWidth;
            }
        });

        $(this).find(".subnav").css({'width' :biggestRow}); //Set width
        $(this).find(".row:last").css({'margin':'0'});  //Kill last row's margin

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

        $(this).calcsubnavWidth();  //Call function to calculate width of all ul's
        $(this).find(".subnav").css({'width' : rowWidth}); //Set Width

    }
	}
	//On Hover Out
	function megaHoverOut(){
	  $(this).find(".subnav").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: 20, // number = milliseconds for onMouseOver polling interval (original: 100)
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)
		 timeout: 500, // number = milliseconds delay before onMouseOut
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)
	};

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

});