function splitSubMenu(columns) {

	jQuery("div.sub").each(function (i) {
		var items = jQuery(this).find('ul');
		var blockCount = columns;
		for (var i = 0; i < items.length; i += blockCount) {
			var slice = items.slice(i, i + blockCount);
			slice.wrapAll("<div class=\"row\"></div>");
		}
	});

}

jQuery(document).ready(function() {
    //Calculate height of top level menu and set top style for menu placement
    jQuery('ul.megamenu li .sub').css('top', jQuery('ul.megamenu > li').height());

    // set hover class to parent item
    jQuery('li.level0 div').mouseenter(function() {
        jQuery(this).closest('li.level0').find('a.level0').addClass("megahover")
    }).mouseleave(function() {
        jQuery(this).closest('li.level0').find('a.level0').removeClass("megahover")
    });  
         
    function megaHoverOver() {
        jQuery(this).find(".sub").stop().fadeTo('slow', 1).show();

        //Calculate width of all ul's
        (function(jQuery) {
            jQuery.fn.calcSubWidth = function() {
                rowWidth = 0;
                //Calculate row
                $(this).find("ul").each(function() {
                    rowWidth += $(this).width();
                });
            };
        })(jQuery);

        if (jQuery(this).find(".row").length > 0) { //If row exists...
            var biggestRow = 0;
            //Calculate each row
            jQuery(this).find(".row").each(function() {
                jQuery(this).calcSubWidth();
                //Find biggest row
                if (rowWidth > biggestRow) {
                    biggestRow = rowWidth;
                }
            });
            //Set width
            jQuery(this).find(".sub").css({ 'width': biggestRow + 71 }); // vanno aggiunti tutti i padding interni al menu 
            jQuery(this).find(".row:last").css({ 'margin': '0' });

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

            jQuery(this).calcSubWidth();
            //Set Width
            jQuery(this).find(".sub").css({ 'width': rowWidth });
        }
        jQuery(this).find(".sub1").css({ 'width': jQuery(this).find(".sub").width() - 20 }); // sono tolti i padding del sub1 + 14 per lo sfumato
    }

    function megaHoverOut() {
        jQuery(this).find(".sub").stop().fadeTo('slow', 0, function() {
            jQuery(this).hide();
        });
    }


    var config = {
        sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
        interval: 100, // number = milliseconds for onMouseOver polling interval (tempo di apertura del sottomenu   
        over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
        timeout: 100, // number = milliseconds delay before onMouseOut    
        out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
    };

    jQuery("ul.megamenu li .sub").css({ 'opacity': '0' });
    jQuery("ul.megamenu li").hoverIntent(config);

});