$(document).ready(function() {

	    function megaHoverOver(){
		    $(this).find(".sub").stop().fadeTo('fast', 1).show();
    			
		    //Calculate width of all ul's
		    (function($) { 
			    jQuery.fn.calcSubWidth = function() {
				    rowWidth = 0;
				    //Calculate row
				    $(this).find("ul").each(function() {					
					    rowWidth += $(this).width(); 
				    });	
			    };
		    })(jQuery); 
    		
		    if ( $(this).find(".row").length > 0 ) { //If row exists...
			    var biggestRow = 0;	
			    //Calculate each row
			    $(this).find(".row").each(function() {							   
				    $(this).calcSubWidth();
				    //Find biggest row
				    if(rowWidth > biggestRow) {
					    biggestRow = rowWidth;
				    }
			    });
			    //Set width
			    $(this).find(".sub").css({'width' :biggestRow});
			    $(this).find(".row:last").css({'margin':'0'});
    			
		    } else { //If row does not exist...
    			
			    $(this).calcSubWidth();
			    //Set Width
			    $(this).find(".sub").css({'width' : rowWidth});
    			
		    }
	    }
    	
	    function megaHoverOut(){ 
	      $(this).find(".sub").stop().fadeTo('fast', 0, function() {
		      $(this).hide(); 
	      });
	    }


	    var config = {    
		     sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		     interval: 10, // number = milliseconds for onMouseOver polling interval    
		     over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		     timeout: 20, // number = milliseconds delay before onMouseOut    
		     out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
	    };

	    $("ul#topnav li .sub").css({'opacity':'0'});
	    $("ul#topnav li").hoverIntent(config);

    });