var min_znak1 = 0;
var min_znak2 = 0;
var min_znak3 = 0;
var min_znak4 = 0;
var min_znak5 = 0;


function countZ1(texta, mde) {
 if (texta.value.length<=min_znak1)
  texta.value = texta.value.substring(0, min_znak1);

  var leng = texta.value.length;

 var diff = ((min_znak1+leng) == "0") ? "1" : min_znak1+leng+1;
 document.getElementById('symbols1').value = diff;
}
 function countZ2(texta, mde) {
 if (texta.value.length<=min_znak2)
  texta.value = texta.value.substring(0, min_znak2);

  var leng = texta.value.length;

 var diff = ((min_znak2+leng) == "0") ? "1" : min_znak2+leng+1;
 document.getElementById('symbols2').value = diff;
}
function countZ3(texta, mde) {
 if (texta.value.length<=min_znak3)
  texta.value = texta.value.substring(0, min_znak3);

  var leng = texta.value.length;

 var diff = ((min_znak3+leng) == "0") ? "1" : min_znak3+leng+1;
 document.getElementById('symbols3').value = diff;
}
function countZ4(texta, mde) {
 if (texta.value.length<=min_znak4)
  texta.value = texta.value.substring(0, min_znak4);

  var leng = texta.value.length;

 var diff = ((min_znak4+leng) == "0") ? "1" : min_znak4+leng+1;
 document.getElementById('symbols4').value = diff;
}
function countZ5(texta, mde) {
 if (texta.value.length<=min_znak5)
  texta.value = texta.value.substring(0, min_znak5);

  var leng = texta.value.length;

 var diff = ((min_znak5+leng) == "0") ? "1" : min_znak5+leng+1;
 document.getElementById('symbols5').value = diff;
}