function switchImg(iid) {
  var img = document.getElementById(iid);
  var controlName = document.getElementById(iid.substr(0,iid.length-1));
  var controlValue = iid.substr(iid.length-1,1);
  var ix = img.src.indexOf('off');
  var imgURLbase = img.src.substr(0,img.src.length - 3);
  if(ix>-1) {
    img.src=imgURLbase+'on';
    controlName.value = controlValue;
  }
}

function switch2Off(pref, imgURLbase) {
var i=0;
for(i=1;i<=5;i++){
  var img = document.getElementById(pref+i);
  img.src=imgURLbase+i+'_off';}
}

function testKey(e) {
  var key = (typeof e.charCode == 'undefined' ? e.keyCode : e.charCode);
  if (e.ctrlKey || e.altKey || key < 32)
    return true;
  key = String.fromCharCode(key);
  return /\w/.test(key);
}

function safeDelete() {
  var answer = confirm("Вы уверены что хотите удалить?");
  return answer;
}

function checkMailField(fid) {
  var adr=document.getElementById(fid).value;
  var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
  if(adr == '') {
    return false;
  } else {
    if (!adr.match(re)) {
      alert("Проверьте формат адреса.");
      return false;
    } else {
      return true;
    }
  }
}

function focusField(evt, tv) {
  evt = (evt) ? evt : ((window.event) ? event : null);
  if(evt) {
    var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
    who.className = 'activeField';
    if(who.value == tv) {
      who.value="";
    }
  }
}

function blurField(evt, tv) {
  evt = (evt) ? evt : ((window.event) ? event : null);
  if(evt) {
    var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
    who.className = 'field';
    if(who.value == '') {
      who.value=tv;
    } else {
      who.style.fontWeight = 'bold';
      who.style.color = '#fff';
    }
  }
}

function passwdComp() {
  var p1 = document.getElementById('clientPasswd');
  var p2 = document.getElementById('clientPasswdCheck');
  if(p1.value!=p2.value) {
    alert('Пароли не совпадают!');
    p1.focus();
    return False;
  } else {
    return True;
  }
}

function numeralsOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if ((charCode < 8 || charCode > 9) && (charCode < 37 || charCode > 40) && (charCode < 48 || charCode > 57)) {
        alert("Здесь можно вводить только цифры");
        return false;
    }
    return true;
}

function lettersOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if ((charCode < 8 || charCode > 9) && (charCode < 37 || charCode > 40) && (charCode < 65 || charCode > 90) && 
        (charCode < 97 || charCode > 1200))  {
        alert("Здесь только буквы!");
        return false;
    }
    return true;
}

function af(next, limit, evt) {
    evt = (evt) ? evt : event;
    if(evt) {
        var fc = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
        var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
            ((evt.which) ? evt.which : 0));
        if (charCode > 31 && fc.value.length == limit) {
            document.sosform.elements[next].focus();
        }
    }
}

// validates that the field value string has one or more characters in it
function isNotEmpty(elem) {
    var str = elem.value;
    var re = /.+/;
    if(!str.match(re)) {
        alert("Please fill in the required field.");
        return false;
    } else {
        return true;
    }
}
   
//validates that the entry is a positive or negative number
function isNumber(elem) {
    var str = elem.value;
    var re = /^[-]?\d*\.?\d*$/;
    str = str.toString( );
    if (!str.match(re)) {
        alert("Вводите только цифры.");
        return false;
    }
    return true;
}

// validates that the entry is 16 characters long when
// input field's maxlength attribute is set to 16
function isLen16(elem) {
    var str = elem.value;
    var re = /\b.{16}\b/;
    if (!str.match(re)) {
        alert("Entry does not contain the required 16 characters.");
        return false;
    } else {
        return true;
    }
}
   
// validates that the entry is formatted as an email address
function isEMailAddr(elem) {
    var str = elem.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        alert("проверьте формат адреса.");
        return false;
    } else {
        return true;
    }
}

function regformValidate() {
  var isValid = true;
  var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
  if((document.sosform['ticketId'].value == '') || (document.sosform['ticketId'].value == 'номер')) {isValid = false; document.sosform['ticketId'].style.color = '#f00'}
  if((document.sosform['fname'].value == '') || (document.sosform['fname'].value == 'фамилия')) {isValid = false; document.sosform['fname'].style.color = '#f00'}
  if((document.sosform['sname'].value == '') || (document.sosform['sname'].value == 'имя')) {isValid = false; document.sosform['sname'].style.color = '#f00'}
  if((document.sosform['clientBdateD'].value == 'дд') || (parseInt(document.sosform['clientBdateD'].value) > 31)) {isValid = false; document.sosform['clientBdateD'].style.color = '#f00'}
  if((document.sosform['clientBdateM'].value == 'мм') || (parseInt(document.sosform['clientBdateM'].value) > 12)) {isValid = false; document.sosform['clientBdateM'].style.color = '#f00'}
  if((document.sosform['clientBdateY'].value == 'гггг') || (parseInt(document.sosform['clientBdateY'].value) < 1920)) {isValid = false; document.sosform['clientBdateY'].style.color = '#f00'}
  if((isNaN(parseInt(document.sosform['clientPhoneCode'].value))) || (parseInt(document.sosform['clientPhoneCode'].value).length < 3)) {isValid = false; document.sosform['clientPhoneCode'].style.color = '#f00'}
  if(document.sosform['clientPhoneNumber'].value.length < 7) {isValid = false; document.sosform['clientPhoneNumber'].style.color = '#f00'}
  if(!document.sosform['clientEmail'].value.match(re)) {isValid = false; document.sosform['clientEmail'].style.color = '#f00'}
  if(document.sosform['clientPasswd'].value == '') {isValid = false; document.sosform['clientPasswd'].style.color = '#f00'}
  if(!isValid) {alert('Кое что заполнено неверно.')}
  return isValid;
}

function sosformValidate() {
  var isValid = true;
  var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
  if((document.sosform['fname'].value == '') || (document.sosform['fname'].value == 'фамилия')) {isValid = false; document.sosform['fname'].style.color = '#f00'}
  if((document.sosform['sname'].value == '') || (document.sosform['sname'].value == 'имя')) {isValid = false; document.sosform['sname'].style.color = '#f00'}
  if((document.sosform['clientBdateD'].value == 'дд') || (parseInt(document.sosform['clientBdateD'].value) > 31)) {isValid = false; document.sosform['clientBdateD'].style.color = '#f00'}
  if((document.sosform['clientBdateM'].value == 'мм') || (parseInt(document.sosform['clientBdateM'].value) > 12)) {isValid = false; document.sosform['clientBdateM'].style.color = '#f00'}
  if((document.sosform['clientBdateY'].value == 'гггг') || (parseInt(document.sosform['clientBdateY'].value) < 1920)) {isValid = false; document.sosform['clientBdateY'].style.color = '#f00'}
  if((isNaN(parseInt(document.sosform['clientPhoneCode'].value))) || (parseInt(document.sosform['clientPhoneCode'].value).length < 3)) {isValid = false; document.sosform['clientPhoneCode'].style.color = '#f00'}
  if(document.sosform['clientPhoneNumber'].value.length < 7) {isValid = false; document.sosform['clientPhoneNumber'].style.color = '#f00'}
  if(!document.sosform['clientEmail'].value.match(re)) {isValid = false; document.sosform['clientEmail'].style.color = '#f00'}
  if(document.sosform['clientPasswd'].value == '') {isValid = false; document.sosform['clientPasswd'].style.color = '#f00'}
  if(!isValid) {alert('что-что заполнено неверно.')}
  return isValid;
}
<!-- Поместите этот вызов функции отображения в соответствующее место. -->
 window.___gcfg = {lang: 'ru'};

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