<form name="calcstup" method="post" action="orderzakaz.php" enctype="multipart/form-data" accept-charset="UTF-8" id="calcbasspriamstup">
<input type="hidden" id="el" name="elem[]" value="" readonly spellcheck="false">
<div id="Checkbox1">
<input type="checkbox" id="Checkbox1" name="element[]" value="12000" checked><label for="Checkbox1"></label></div>
<label for="Checkbox1" class="element" id="Label1">Обвязка трубами</label>
<div id="Checkbox2">
<input type="checkbox" id="Checkbox2" name="element[]" value="13000" checked><label for="Checkbox2"></label></div>
<label for="Checkbox2" class="element" id="Label2">Скиммер 020V</label>
<button type="submit" class="btn">ОФОРМИТЬ ЗАКАЗ</button>
</form>