function setTab(m,n){

	var title = document.getElementById("menu"+m).getElementsByTagName("LI");
	var content = document.getElementById("content"+m).getElementsByTagName("LI");

	for(i = 0 ; i < title.length ; i++){
		title[i].className = i == n ? "current" : "";
		content[i].className = i == n ? "block" : "hidden";
	}
}