function menu(menu_val)
{
	if (menu_val == "1")
	window.location.href = "dentalworld/history.php";
	if (menu_val == "2")
	window.location.href = "dentalworld/viewGood.php?g_id=3";
	if (menu_val == "3")
	window.location.href = "dentalworld/press.php";
	if (menu_val == "4")
	window.location.href = "dentalworld/contact.php";
	if (menu_val == "5")
	window.location.href = "dentist/history.php";
	if (menu_val == "6")
	window.location.href = "dentist/viewGood.php?g_id=1";
	if (menu_val == "7")
	window.location.href = "dentist/download.php";
	if (menu_val == "8")
	window.location.href = "#";
	if (menu_val == "9")
	window.location.href = "dentist/news.php";
	if (menu_val == "10")
	window.location.href = "dentist/contact.php";
	if (menu_val == "11")
	window.location.href = "laboratory/history.php";
	if (menu_val == "12")
	window.location.href = "laboratory/viewGood.php?g_id=2";
	if (menu_val == "13")
	window.location.href = "laboratory/download.php";
	if (menu_val == "14")
	window.location.href = "#";
	if (menu_val == "15")
	window.location.href = "laboratory/news.php";
	if (menu_val == "16")
	window.location.href = "laboratory/contact.php";

}