jQuery(document).ready(function() {

	var mainMenuItems = jQuery('.menu > ul > li');

	// Marks childless main menu items as such:
	var childlessMenuItems = jQuery(mainMenuItems).not(':has(ul)');
	jQuery(childlessMenuItems).addClass("single");
	
	// Sets main menu UL width to sum of main menu LI items:
	var mainMenuWidth = 0;
	jQuery(mainMenuItems).each(function(index) {
		mainMenuWidth += jQuery(this).width();
	});
	jQuery('.menu>ul').width(mainMenuWidth);
	
});