$(document).ready(function(){
    Navigation_width = $("#NavigationOUT ul li").prevAll().andSelf().sumOuterWidth(true)+45;
    if($("#NavigationOUT > ul:nth-child(2) > li > a").attr('href') != undefined){
        Navigation_width = Navigation_width + 11;   
    }
    $("#NavigationOUT").attr('style', 'margin: auto; width: '+Navigation_width+'px');
});

$.fn.sumOuterWidth = function(useMargins) {
  var sum = 0;
  this.each(function() { 
    sum += $(this).outerWidth(useMargins);
  });
  return sum;
};
 
ddsmoothmenu.init({
	mainmenuid: "NavigationOUT", //menu DIV id
	orientation: 'h', //Horizontal or vertical menu: Set to "h" or "v"
	classname: 'ddsmoothmenu' //class added to menu's outer DIV
	//customtheme: ["#1c5a80", "#18374a"],
	//contentsource: "markup" //"markup" or ["container_id", "path_to_menu_file"]
})