function hideSelects(action) {
	//documentation for this script at http://www.shawnolson.net/a/1198/
	//possible values for action are 'hidden' and 'visible'
	if (action!='visible'){action='hidden';}
	if (navigator.appName.indexOf("MSIE")) {
		for (var S = 0; S < document.forms.length; S++){
			for (var R = 0; R < document.forms[S].length; R++) {
				if (document.forms[S].elements[R].options) {
					document.forms[S].elements[R].style.visibility = action;
				}
			}
		}
	}
}