function topartists_calc() {
	document.topartists.output.value = "[align=center][size=13][b]Top Artists Overall[/b][/size]\r\n\r\n[url=http://lastfm.exasnail.com/][img]http://lastfm.exasnail.com/topartists/" + document.topartists.user.value + "/" + (document.topartists.rows.selectedIndex + 1) + ".png[/img][/url][/align]";
}