var mlength;

function progresbar (element, maxlength, mlength) {
}

function countChars(element,maxlength){

  var mlength = document.getElementById(element).value.length;
  var pBar    = document.getElementById(element+'_bar');

  if (mlength > maxlength) {
    alert('NELZE VLOŽIT VÍCE NEŽ '+ maxlength +' ZNAKŮ');
    document.getElementById(element).value = document.getElementById(element).value.substr(0,maxlength);
    mlength = maxlength;
  } else if (mlength > maxlength * 0.9) {
     pBar.style.backgroundColor = 'red';
  } else if (mlength > maxlength * 0.75) {
     pBar.style.backgroundColor = 'orange';
  } else if (mlength > maxlength * 0.5) {
     pBar.style.backgroundColor = 'yellow';
  } else {
     pBar.style.backgroundColor = 'green';
  }

  var maxWidths = document.getElementById(element+'_main').style.width;
  var maxWidth  = maxWidths.substr(0,maxWidths.length -2)-2;

  var newWidth = maxWidth/maxlength*mlength;
  var procento = Math.round((mlength/maxlength*100)-0.4)+'%' + ' [' + mlength + '/' + maxlength + ']';
  pBar.style.width = newWidth+'px';
//  document.getElementById(element+'_val').innerHTML=procento;
}

function delpost() {
  return confirm("Opravdu chcete smazat tento post?");
}

function deluser() {
  return confirm("Opravdu chcete smazat vše od tohoto uživatele?");
}

function delip() {
  return confirm("Opravdu chcete smazat vše z této IP adresy?");
}