// JavaScript Document
function hide_option()
{
	if(document.getElementById("search_by_artist"))
	document.getElementById("search_by_artist").className="notvisible";
	if(document.getElementById("search_by_author"))
	document.getElementById("search_by_author").className="notvisible";
	document.getElementById("search_by_tag").className="notvisible";
	document.getElementById("search_by_name").checked=true;
	
}

function show_option(id)
{
document.getElementById(id).className="search_option";	
}