// JavaScript Document
function htab(m,n,s) {
	s = s + 1;
	for(var i=1;i<s;i++) {
		document.getElementById("nav_"+m+"_"+i).className="off";
		document.getElementById("content_"+m+"_"+i).style.display="none";
	}
	document.getElementById("nav_"+m+"_"+n).className="on";
	document.getElementById("content_"+m+"_"+n).style.display="block";
}