just a sample code

animation.js

		cardsDistribution: function()
		{
			var self = this;

			nusers = _env.stage.getChildById('main').getChildById('users_node').children.length;
			ncards = nusers * 2;
			
			for(var i=0; i<ncards; i++) {
				var card = _utils.provider.getImage('images/back-card.png');
					card.x = _env.utils.CENTERX;
					card.y = 80;
					card.id = 'card_'+i;
					_env.stage.getChildById('main').addChildAt(card, 20);
			}

			u = [
				{x:220, y:120},
				{x:125, y:169},
				{x:125, y:290},
				{x:220, y:325},
				{x:400, y:325},
				{x:575, y:325},
				{x:665, y:290},
				{x:665, y:169},
				{x:575, y:120}
			];

			var x = 0;
			var init = function(n) {
				
				if(n > 8) {
					var targetX = u[n - nusers].x - 3;
					var targetY = u[n - nusers].y - 3;
				} else {
					var targetX = u[n].x;
					var targetY = u[n].y;
				}

				var card = _env.stage.getChildById('main').getChildById('card_'+n);
				var move = function() {
					var posix = (targetX - card.x) * _env.utils.CARD_SPEED;
					var posiy = (targetY - card.y) * _env.utils.CARD_SPEED;

					card.x += posix;
					card.y += posiy;
					if(Math.abs(posiy) < 1) {
						_env.stage.removeListener(doodle.events.Event.ENTER_FRAME, move);
						if(++x < ncards) {
							init(x);
						} else {
							_env.stage.frameRate = 2;
						}
					}
				}
				_env.stage.addListener(doodle.events.Event.ENTER_FRAME, move);
			}
			init(x);
		},