function $(what) {
	return document.getElementById(what);
}
function roll(what,hides) {
	$(what).className='';
	if ( hides ) {
		var explode = hides.split(",");
		for( i = 0; i < explode.length; i++ ) {
			$(explode[i]).className="hide";
		}
	}
}
function selected(what) {
	if ( what.className != "on" ) {
		if ( what.className != "" ) {
			what.className = "";
		} else {
			what.className = "select";
		}
}
}