$(document).ready(function() {
	var body_id = cleanstring(document.body.id);

	$('#menu li a').each(function(){
		var menu_item = cleanstring($(this).text());	

		if (menu_item==body_id){
			$(this).attr('id','current');
		}
	});

	if ($("#current").parents("li").find("ul").length > 0){
		var sub_menu = $("#current").parents("li").find("ul").html();
		$("#sub_menu").append("<ul>" + sub_menu + "</ul>" ); 
		
		var sub_menu_id = cleanstring($("#page_title").text());

		$('#sub_menu li a').each(function(){
			var sub_menu_item = cleanstring($(this).text());	
			if (sub_menu_item==sub_menu_id){
				$(this).attr('id','current');
			}
		});		
	}
});

function cleanstring(string){
	string = string.replace(/\s+/g, "");
	string = string.toLowerCase();
	return string;

}