getFloorY = function(item) {	
	return dims.atticHeight + item.room * dims.roomHeight - dims.floorHeightChars - item.height;
}

if() { // below bsment

} else { // above
	if (item.dragged) {
		for (var i = 0; i < floors.length; i++) {			
			if(item.y < getFloorY(item) && item.room !== i) { // (room !== i) just to reduce assignments
				item.room = i;
				break;
			}	
		};
	} else {		
		if (item.y >= getFloorY(item)) { // on the ground, stop the fall, animate
			item.y = getFloorY(item);
			item.body.velocity.y = 0;
			item.onFloor = true;
			item.state = (game.rnd.frac() > 0.5) ? 0 : 1; // walk left or right
		}
	}
}
------------
		function doBooks(){					
			bookGroup = game.add.group();			
			//if there are books left, add them to piles in the basement
			if(books > 0) {
				var lastBookPile, i = 0;							
				for (i < books; i++) {					
					if(i > 0 && lastBookPile) {
						lastBookPile.frame += 1;
					}					
					if(i % 10 === 0){
						var floorBasementY = overallHeight - dims.floorHeightBooks;
						var nudgeBasementBooks = 180;
						var newBookPile = game.add.sprite(nudgeBasementBooks + (i*36), floorBasementY, 'bookPileSheet');
						bookGroup.add(newBookPile);						
						lastBookPile = newBookPile;
					}
				}
			}
		}