function showno1(){
	document.getElementById("bio1").style.display = "block";
	document.getElementById("bio2").style.display = "none";
	document.getElementById("bio3").style.display = "none";
}

function showno2(){
	document.getElementById("bio1").style.display = "none";
	document.getElementById("bio2").style.display = "block";
	document.getElementById("bio3").style.display = "none";
}

function showno3(){
	document.getElementById("bio1").style.display = "none";
	document.getElementById("bio2").style.display = "none";
	document.getElementById("bio3").style.display = "block";
}