var navItems;
var navItemsLenght = 0;

function alignNav() {
	navContainerLenght = jQuery('#menu-haupt').innerWidth()*1 -1;
 	navItems = jQuery('#menu-haupt > *');

	navItems.each(function(index) {
		navItemsLenght = navItemsLenght*1 + jQuery(this).innerWidth()*1;
	});

	theMarginRight = Math.floor((navContainerLenght - navItemsLenght) / (navItems.length - 1));
	navItems.each(function(index) {
		if(index < 3) {
		 	jQuery(this).css({marginRight: theMarginRight + 'px'});
		} else {
			jQuery(this).css({marginRight: 0});
		}
	});	
}
jQuery(document).ready(function() {
	alignNav();
});