leaderboard.clicked = false;
leaderboard.current = "a";
leaderboard.changed = false;
leaderboard.changetab = function($to, $t) {
	if($t){
		leaderboard.clicked = true;
	}
	if($to != leaderboard.current){
		$('t' + leaderboard.current).removeClass('selected');
		$('t' + $to).addClass('selected');
		$('black').setStyle('z-index', '10');
		var myEffect = $('black').effect('opacity', {duration:200});
		myEffect.start(0, 1.0);
		setTimeout('leaderboard.fadeblackout("' + $to + '")', 200);
	}
}
leaderboard.fadeblackout = function($to) {
	$(leaderboard.current).setStyle('display', 'none');
	leaderboard.current = $to;
	$($to).setStyle('display', 'block');
	var myEffect = $('black').effect('opacity', {duration:200});
	myEffect.start(1.0, 0);
	setTimeout('leaderboard.setzindex()', 200);
}
leaderboard.setzindex = function() {
	$('black').setStyle('z-index', '-1');	
}
leaderboard.loop = function() {
	if(leaderboard.clicked == false){
		setTimeout('leaderboard.loopdo()', 6500);
	}
}
leaderboard.loopdo = function() {
	if(leaderboard.clicked == false){
		nexts = new Array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z');
		for(i = 0; i < nexts.length; i++){
			if(nexts[i] == leaderboard.current){
				i++;
				if(i == leaderboard.maxtabs){
					i = 0;
				}
				leaderboard.changetab(nexts[i]);
				i = 28;
			}
		}
		leaderboard.loop();
	}
}