function showhide(what) {
switch (what) {
case "search":
document.getElementById('search_unq').style.display = "none";
document.getElementById('search').style.display = "block";
document.getElementById('busi_mult').style.display = "block";
document.getElementById('busi_multi').style.display = "none";
document.getElementById('prof').style.display = "block";
document.getElementById('profess').style.display = "none";
break;
case "business":
document.getElementById('search_unq').style.display = "block";
document.getElementById('search').style.display = "none";
document.getElementById('busi_mult').style.display = "none";
document.getElementById('busi_multi').style.display = "block";
document.getElementById('prof').style.display = "block";
document.getElementById('profess').style.display = "none";
break;
case "professional":
document.getElementById('search_unq').style.display = "block";
document.getElementById('search').style.display = "none";
document.getElementById('busi_mult').style.display = "block";
document.getElementById('busi_multi').style.display = "none";
document.getElementById('prof').style.display = "none";
document.getElementById('profess').style.display = "block";
break;
default:
document.getElementById('search_unq').style.display = "none";
document.getElementById('search').style.display = "block";
document.getElementById('busi_mult').style.display = "block";
document.getElementById('busi_multi').style.display = "none";
document.getElementById('prof').style.display = "block";
document.getElementById('profess').style.display = "none";
break;
}
}