var dop1Status = 0;
var dop2Status = 0;

var dopRunning = 0;

function dop1Click(id,direction,max) {
	if (dopRunning==0) {
		dopRunning=1;
		var o1 = document.getElementById(id+'left');
		var o2 = document.getElementById(id+'right');
		if (direction>0) {
			new Effect.Move(id, { x: -181, y: 0, mode: 'relative', duration: 0.2, afterFinish: function(){dopRunning=0} });
			dop1Status += 1;
		} else {
			new Effect.Move(id, { x: 181, y: 0, mode: 'relative', duration: 0.2, afterFinish: function(){dopRunning=0} });
			dop1Status -= 1;
		}
	
		if (dop1Status<=0) o1.style.visibility='hidden';
		else o1.style.visibility='visible';

		if ((dop1Status+4)>=max) o2.style.visibility='hidden';
		else o2.style.visibility='visible';
	}
	return false;
}

function dop2Click(id,direction,max) {
	if (dopRunning==0) {
		dopRunning=1;
		var o1 = document.getElementById(id+'left');
		var o2 = document.getElementById(id+'right');
		if (direction>0) {
			new Effect.Move(id, { x: -181, y: 0, mode: 'relative', duration: 0.2, afterFinish: function(){dopRunning=0} });
			dop2Status += 1;
		} else {
			new Effect.Move(id, { x: 181, y: 0, mode: 'relative', duration: 0.2, afterFinish: function(){dopRunning=0} });
			dop2Status -= 1;
		}
		
		if (dop2Status<=0) o1.style.visibility='hidden';
		else o1.style.visibility='visible';

		if ((dop2Status+4)>=max) o2.style.visibility='hidden';
		else o2.style.visibility='visible';
	}
	return false;
}