var submit_allowed = true;

function sale(sum) {
  if (sum == undefined) return;
  discount = 0;
  if (sum >= 1000) {
    discount = 5;
  }
  if (sum >= 1500) {
    discount = 10;
  }

  sum = sum-sum/100*discount;
  $('.discount0').removeClass('discount0');
  $('.discount5').removeClass('discount5');
  $('.discount10').removeClass('discount10');
  $('#discount').html(discount+' %');
  $('#discount_sum').html(sum+' р.');
  $('.discount').addClass('discount'+discount);

}

function order_del(id) {
//	var sum = parseInt(document.getElementById('pr_all_'+id).innerHTML);
//	var all_sum = parseInt(document.getElementById('all_sum').innerHTML);
//	document.getElementById('all_sum').innerHTML=(all_sum-sum)+' р.';
	$('tr[id^="tr_'+id+'"]').remove();
  order_all();
}

function order_all() {
  var tab = document.getElementById('ord');
  var qwe = $(tab).find('tr:not(.ingred-line)');
	var price=0;
	var col=0;
	var all_sum=0;
	var new_sum=0;
	 
	for(var i=0;i<qwe.length;i++) {
    if(qwe[i].style.display!='none') {
      price=parseInt(qwe[i].getElementsByTagName('TD')[1].innerHTML);
      col=$(qwe[i]).find('INPUT.input-count').val();
      new_sum=price*col;
      qwe[i].getElementsByTagName('TD')[3].innerHTML=new_sum+' р.';
      all_sum+=new_sum;
    }
  }
  document.getElementById('all_sum').innerHTML=all_sum+' р.';
  document.getElementById('ord_form').submit();
  sale(all_sum); 
}

function hideval(el) {
  if($(el).val() == $(el).attr('name')) {
    $(el).val('');
  }
}

function check_order_form() {
  $('#mesto').val($("#office option:selected").html());
  submit_allowed = true;
  $('#order_form .reqired').each(function (i, el) {
    if ($(el).val() == '' || $(el).val() == $(el).attr('name')) {
      submit_allowed = false;
    }
  });
  if (submit_allowed == false) {
    alert('Пожалуйста, заполните все требуемые поля.');
  }
}