var positionedHash = {};
var positions = [];

data.product_variations.each(function(productVariation) {
	positionedHash[productVariation.position] = productVariation;
	positions.push(productVariation.position);
});

positions.sort();

for(var i = 0; i < positions.size(); i++) {
	ProductVariation.positionedIds.push(positionedHash[positions[i]].id);
}