$(document).ready(function(){
	
    function HoverOver(){
        $(this).find(".sub").stop().fadeTo('fast', .95).show()(); //Find sub and fade it in
        (function($) {
            //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 HoverOut(){
      $(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: 50, // number = milliseconds for onMouseOver polling interval
         over: HoverOver, // function = onMouseOver callback (REQUIRED)
         timeout: 300, // number = milliseconds delay before onMouseOut
         out: HoverOut // function = onMouseOut callback (REQUIRED)
    };

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