function show(per) {
var v=per;
var i;
var l;
document.getElementById('show1').style.display="none";
document.getElementById('show2').style.display="none";
document.getElementById('show3').style.display="none";
document.getElementById('link1').className="";
document.getElementById('link2').className="";
document.getElementById('link3').className="";
i='show' + v;
l='link' + v;
document.getElementById(i).style.display="block";
document.getElementById(l).className="active";
}
function show2(per01) {
var x=per01;
var y;
var z;
document.getElementById('show4').style.display="none";
document.getElementById('show5').style.display="none";
document.getElementById('link4').className="";
document.getElementById('link5').className="";
y='show' + x;
z='link' + x;
document.getElementById(y).style.display="block";
document.getElementById(z).className="active";
}