function show_bio(castid,castlist) {
	document.getElementById(castid).style.display = "block";
	hide_bios(castlist);
}

function hide_bios(castlist) {
	castlist_array = castlist.split(",");
	for (i=0; i < castlist_array.length; i++) {
		document.getElementById(castlist_array[i]).style.display = "none";	
	}
}