var tickdelay=9000;
var currentmessage=0;
function menub_khan(){
	document.getElementById("menub").innerHTML=menub[currentmessage];
	if (currentmessage==menub.length-1) 
		currentmessage=0;
	else 
		currentmessage++;
	setTimeout("menub_khan()",tickdelay);
}

window.onload=menub_khan;