function textCounter (field, countfield, maxlimit) 
 {

 if (field.value.length > maxlimit)
    field.value = field.value.substring(0, maxlimit);
 else 
    countfield.value = maxlimit - field.value.length;
 }

 function windowOpen (mypage, w, h)

 {

      if(screen.width)

      {

          var winl = (screen.width-w)/2;
          var wint = (screen.height-h)/2;

      }

      else

      {

          winl = 0;wint =0;

      }

      if (winl < 0) winl = 0;
      if (wint < 0) wint = 0;

      var settings = 'height=' + h + ',';
      settings += 'width=' + w + ',';
      settings += 'top=' + wint + ',';
      settings += 'left=' + winl + ',';
      settings += ' scrollbars=no ';

    var myname = '';

      win = window.open(mypage,myname,settings);

      win.window.focus();

 }

function confirmDelete(msg)
{
if (!msg) {msg="Вы уверены?"}
var agree=confirm(msg);
if (agree)
return true ;
else
return false ;
}