var HOME_PAGE = "views/_home.jsp";
var PORTFOLIO_PAGE = "views/_portfolio.jsp";
var PRODUCTS_PAGE = "views/_products.jsp";


function goToPage(page) {
 
	var currentClass = "btn_active";
	var defaultClass = "btn";
	var content = $("#content");
	
	var loaderTable = $("table.loader");
	 
	var menuItems = $("#navigation a");
	var currentMenu = $("#navigation a .btn_active");
	 
	if (currentMenu.hasClass(currentClass)) {
		return false;
	}

	$('html, body').animate({
		scrollTop: $("#header_wrp").offset().top
	}, 200);
	
	content.html("");
	loaderTable.show();
	
	menuItems.removeClass(currentClass);

	$("#"+page).addClass(currentClass);
 
	if (page.length == 0) {
		return false;
	}
 
	content.load(getNav(page),{},function() {
		loaderTable.fadeOut("fast");
	});
 
	return false;
}

function getNav(page) {
	if (page == "ahome") {
		return HOME_PAGE;
	} else if (page == "aport") {
		return PORTFOLIO_PAGE;
	} else if (page == "aprod") {
		return PRODUCTS_PAGE;
	}
	return "";
}