';
$html .= '';
$html .= Html::td('Top', 'head bl bt bb');
$html .= Html::td('Raumart', 'head bl bt bb');
$html .= Html::td('Fläche', 'head center bl bt bb');
$html .= Html::td('', 'bl');
$html .= Html::td('Top', 'head bb bt bl');
$html .= Html::td('Type', 'head bt bl bb');
$html .= Html::td('Fläche', 'head center bl bt bb br');
$html .= ' ';
$res = Allgemeinflaechen::select('geschoss', 'raumart', 'qm')->where('projekts_id', $projekts_id)->orderBy('geschoss')->orderBy('raumart')->get();
foreach ($res as $key => $allg) {
$bg = ($key % 4 == 2 || $key % 4 == 3) ? 'hellgrau' : '';
if ($key % 2 == 0) {
$html .= '