function checkName(value) {

if(value.length>0)
{
      var req = new JsHttpRequest();
     req.onreadystatechange = function() {
        if (req.readyState == 4) {
            document.getElementById('nc').innerHTML = req.responseText;
        }
    }
    req.open(null, 'namecheck.php', true);
    req.send( { q: value } );
    document.getElementById('nc').innerHTML = "<font color=green><i>проверка</i></font>";
}
else
{
    document.getElementById('nc').innerHTML = "";
}
}

function checkMail(value) {

if(value.length>0)
{
      var req = new JsHttpRequest();
     req.onreadystatechange = function() {
        if (req.readyState == 4) {
            document.getElementById('ec').innerHTML = req.responseText;
        }
    }
    req.open(null, 'emailcheck.php', true);
    req.send( { q: value } );
    
}
else
{
    document.getElementById('ec').innerHTML = "";
}
}

function passCheck(formobj)
{

//1) Enter name of mandatory fields
	var fieldRequired = Array("cust_passwordold", "cust_password1", "cust_password2");
//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Старый пароль", "Пароль", "Подтверждение пароля");
	//3) Enter dialog message
	var alertMsg = "Пожалуйста, заполните следующие поля:\n";
//4) Pass equal
	var fieldPass =  Array("cust_password1", "cust_password2");
	var l_Msg = alertMsg.length;


              var etalonobj=formobj.elements[fieldPass[0]];
	for (var i = 0; i < fieldPass.length; i++)
	{
	var obj = formobj.elements[fieldPass[i]];
	if(obj.value != etalonobj.value)
		{
		alertMsg = " - Пароли не совпадают"+"\n";
		}
	}

	if (alertMsg.length == l_Msg){
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}
	}
if (alertMsg.length == l_Msg){
		return true;
			}else{
		alert(alertMsg);
		return false;
	}
}

function formCheck(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("nick_name","login", "cust_password1", "cust_password2");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Имя","Е-майл", "Пароль", "Подтверждение пароля");
	//3) Enter dialog message
	var alertMsg = "Пожалуйста, заполните следующие поля:\n";
	//4) Pass equal
	var fieldPass =  Array("cust_password1", "cust_password2");
	var l_Msg = alertMsg.length;
	
	var etalonobj=formobj.elements[fieldPass[0]];
	for (var i = 0; i < fieldPass.length; i++)
	{
	var obj = formobj.elements[fieldPass[i]];
	if(obj.value != etalonobj.value)
		{
		alertMsg = " - Пароли не совпадают"+"\n";
		}
	}
		
		
	if (alertMsg.length == l_Msg){
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}
	}


	if (! isValidEmail(formobj.login.value)) {
        		alert("Пожалуйста введите правильный е-майл");
        		formobj.login.focus();return false;
   	 }
	
	if (alertMsg.length == l_Msg){
		return true;
			}else{
		alert(alertMsg);
		return false;
	}
}