var t=''
var d=document
function appear(who) {
if (!t=='')
{ d.getElementById(t).style.visibility='hidden';
}
temp = who+'1';
ypos=d.getElementById(temp).offsetTop;
d.getElementById(who).style.top=ypos+'px';
d.getElementById(who).style.visibility='visible';
t=who;
}

function dis(who) {
d.getElementById(who).style.visibility='hidden';
t=''
}


function init() {
if (!document.getElementsByTagName) return false;
var biogs = d.getElementById('biogs');
biogs.style.visibility='hidden';
var biogdivs = biogs.getElementsByTagName('div');
	for (var i=1; i < biogdivs.length; i++)  {
	biogdivs[i].className ="switch1";
	}
}