<!--????-->
function menu_show(id) {
	var menu0 = document.getElementById(id+"00");
	var menu1 = document.getElementById(id+"01");
	menu0.style.display = "none";
	menu1.style.display = "";
}
function menu_hide(id) {
	var menu0 = document.getElementById(id+"00");
	var menu1 = document.getElementById(id+"01");
	menu0.style.display = "";
	menu1.style.display = "none";
}
function openMenu(id) {
	var url = "";
	if(id == "home") {
		url = "./index.html";
	} else if(id == "company") {
		url = "./company.html";
	} else if(id == "business") {
		url = "./business.html";
	} else if(id == "recurit") {
		url = "./recurit.html";
	} else if(id == "contact") {
		url = "./contact.html";
	}
	window.open(url,"_parent","");
}

<!--????-->