$(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#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
	    });