$(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: 1, // number = sensitivity threshold (must be 1 or higher)    
             interval: 0, // number = milliseconds for onMouseOver polling interval    
             over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
             timeout: 0, // number = milliseconds delay before onMouseOut    
             out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
        };
    
        $("ul#topnav li .sub").css({'opacity':'0'});
        $("ul#topnav li").hoverIntent(config);
    
    
    
    });