$(document).ready(function(){
	var size_holder=$(".nav").width();
	var new_list="#nav";
	f1();
	function f1(){
		var a=$(new_list).width();
		var padding=(size_holder-a)/2+28;
		$(new_list).find('a:last').css({"padding-right":padding})
		$(new_list).find('a:first').css({"padding-left":padding})
	}
});