function showSizesTable() {
	bgLayer = new FSite2.Layer('background_layer', true, 'background_layer');
	contentLayer = new FSite2.Layer('layer_content', true, 'layer_content');
	bgLayer.show();
	bgLayer.fullScreen();
	contentLayer.center();
	contentLayer.show();
}

function hideSizesTable() {
	contentLayer.hide();
	bgLayer.remove();
}