if(isset($_POST['val']))
{
//$val=$_POST['val'];
$val = str_replace(',', '.', $_POST['val']);
if(!preg_match('/^[0-9.]/',$val))
{
 echo '<div class="container alert alert-danger keskel" role="alert">'.$keel['kontroll_nr'].'</div>';
}
$from=$_POST['from'];
if($from==0)
{
echo '<div class="container alert alert-danger keskel" role="alert">'.$keel['kontroll_valik'].'</div>';
}
else
{
function assign($from,$val)
{
switch ($from)
{
case 1:
$tulemus=$keel['cm'];$cm=1;$me=0.01;$km=0.00001;$ft=0.3280839;$in=0.39370078;$mi=0.000006213;$ya=0.010936132;break;
case 2:
$tulemus="Meeter";$cm=100;$me=1;$km=0.001;$ft=3.280839;$in=39.370078;$mi=0.00062137;$ya=1.0936132;break;
case 3:
$tulemus="Kilomeeter";$cm=100000;$me=1000;$km=1;$ft=3280.839;$in=39370.078;$mi=0.6213;$ya=1093.6132;break;
case 4:
$tulemus="Jalga";$cm=30.48;$me=0.3048;$km=0.0003048;$ft=1;$in=12;$mi=0.00018939;$ya=0.33333;break;
case 5:
$tulemus="Tolli";$cm=2.54;$me=0.0254;$km=0.0000254;$ft=0.083333;$in=1;$mi=0.0000157828;$ya=0.027778;break;
case 6:
$tulemus="Miili";$cm=160934.4;$me=1609.344;$km=1.609344;$ft=5280;$in=63360;$mi=1;$ya=1760;break;
case 7:
$tulemus="Jardi";$cm=91.44;$me=0.9144;$km=0.0009144;$ft=3;$in=36;$mi=0.000568181;$ya=1;break;
}