function show(what) { 
document.getElementById("parvalux").style.display='none'; 
document.getElementById("bremont").style.display='none'; 
document.getElementById("clarkestates").style.display='none'; 
document.getElementById("amiri").style.display='none'; 
document.getElementById("anoushka").style.display='none'; 
document.getElementById("links").style.display='none'; 
document.getElementById("healthcounter").style.display='none'; 
document.getElementById(what).style.display='block'; 
}