function localPage(type) {

	var biohit = document.getElementById("nav_biohit");
	var biosan = document.getElementById("nav_biosan");

	biohit.style.display = "none";
	biosan.style.display = "none";

	switch(type) {
		case "biohit":
			biohit.style.display = "block";
		break;
		case "biosan":
			biosan.style.display = "block";
		break;
	}
}