// JavaScript Document

function artist1(div)
{
if (document.getElementById('art1'))
{
var option=['art1','art2'];
for(var i=0; i<option.length; i++) 
{ obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
}

}
//
function artist2() 
{
var option=['tel1','tel2'];
for(var i=0; i<option.length; i++) 
{ obj=document.getElementById(option[i]);
obj.className=(obj.className=="visible")? "hidden" : "visible"; }
}
window.onload=function(){artist1('');}