function CustomValidatePhone(source, arguments)
{
    var ValidChars = "0123456789.()- ";
    var Char;
    incoming = document.getElementById(source.controltovalidate);
    if (incoming.value == "")
	{
		source.errormessage = 'Please, enter your phone.';					    
		arguments.IsValid=false;
		return;
	}
	else
	{
        for (cont = 0; cont < incoming.value.length; cont++) 
        { 
            Char = incoming.value.charAt(cont); 
            if (ValidChars.indexOf(Char) == -1)
            {
                source.errormessage = 'Please, check your phone.';			    
                arguments.IsValid= false;
                return;
            }
        }
    }
    arguments.IsValid= true;
}

function CustomValidatePostalCode(source, arguments)
{
    var ValidChars = "0123456789";
    var Char;
    incoming = document.getElementById(source.controltovalidate);
    if (incoming.value == "")
	{
		source.errormessage = 'Please, enter your postal code.';				    
		arguments.IsValid=false;
		return;
	}
	else
	{
        for (cont = 0; cont < incoming.value.length; cont++) 
        { 
            Char = incoming.value.charAt(cont); 
            if (ValidChars.indexOf(Char) == -1)
            {
                source.errormessage = 'Please, check your postal code.';			    
                arguments.IsValid= false;
                return;
            }
        }
    }
    arguments.IsValid= true;
}


function CustomValidateEmail(source, arguments)
{
    if(arguments)
    {
        var Email = document.getElementById(source.controltovalidate);
        if (Email.value == "")
        {
	        source.errormessage = 'Please, enter your email.';
    	   
	        arguments.IsValid=false;
	        return;
        }
        else
        {
			if(!ValidateEmailCharacters(Email.value))
			{
				source.errormessage = "Please check your email address.";    		 
		        arguments.IsValid=false;
		        return;
			}
			if(!ValidateEmail(Email.value))
			{
				source.errormessage = "Please check your email address.";    		 
		        arguments.IsValid=false;
		        return;
			}
			if(!ValidateEmailDomain(Email.value))
			{
				source.errormessage = "Please check your email address, domain (.ru, .sk, .ua) isn't valid.";    		 
		        arguments.IsValid=false;
		        return;
			}
			if(!ValidateConsonants(Email.value))
			{
				source.errormessage = "Please check your email address.";    		 
		        arguments.IsValid=false;
		        return;
			}
        }
        arguments.IsValid=true;
    }    
}

function CustomValidateFirstName(source, arguments)
{

    var FirstName = document.getElementById(source.controltovalidate);
    if (FirstName.value == "")
    {
	    source.errormessage = 'Please, enter your first name.';
	    arguments.IsValid=false;
	    return;
    }
	else
	{
		if (!ValidateName(FirstName.value))
		{
			source.errormessage = 'Please, check your first name.';
			arguments.IsValid=false;
			return;
		}
		if (!ValidateConsonants(FirstName.value))
		{
			source.errormessage = 'Please, check your first name.';
			arguments.IsValid=false;
			return;
		}	
	}	
    arguments.IsValid=true;
}

function CustomValidateLastName(source, arguments)
{
    var LastName = document.getElementById(source.controltovalidate);
    if (LastName.value == "")
    {
	    source.errormessage = 'Please, enter your last name.';
	    arguments.IsValid=false;
	    return;
    }
	else
	{
		if (!ValidateName(LastName.value))
		{
			source.errormessage = 'Please, check your last name.';
			arguments.IsValid=false;
			return;
		}
		if (!ValidateConsonants(LastName.value))
		{
			source.errormessage = 'Please, check your last name.';
			arguments.IsValid=false;
			return;
		}	
	}
    arguments.IsValid=true;
}



function CustomValidateCity(source, arguments)
{
    var City = document.getElementById(source.controltovalidate);
    if (City.value == "")
    {
	    source.errormessage = 'Please, enter your city.';
	    arguments.IsValid=false;
	    return;
    }
	else
	{
		if (!ValidateName(City.value))
		{
			source.errormessage = 'Please, check your city.';
			arguments.IsValid=false;
			return;
		}
		if (!ValidateConsonants(City.value))
		{
			source.errormessage = 'Please, check your city.';
			arguments.IsValid=false;
			return;
		}	
	}
    arguments.IsValid=true;
}


function CustomValidateCountry(source, arguments)
{
    var Country = document.getElementById(source.controltovalidate);
    if (Country.value == "")
    {
	    source.errormessage = 'Please, enter your country.';
	    arguments.IsValid=false;
	    return;
    }
	else
	{
		if (!ValidateName(Country.value))
		{
			source.errormessage = 'Please, check your country.';
			arguments.IsValid=false;
			return;
		}
		if (!ValidateConsonants(Country.value))
		{
			source.errormessage = 'Please, check your country.';
			arguments.IsValid=false;
			return;
		}
	}
    arguments.IsValid=true;
}


function getElementContact(name)
{
    var object = null;
    var tbSmallContact=document.getElementById('tbContact'); 
    for (var i=0; i<tbSmallContact.rows.length; i++)
    {
        for (var j=0; j<tbSmallContact.rows[i].cells.length; j++)
        {
            for (var k=0; k<tbSmallContact.rows[i].cells[j].childNodes.length; k++)
            {                
                if(tbSmallContact.rows[i].cells[j].childNodes[k].id == name)
                {
                   object = tbSmallContact.rows[i].cells[j].childNodes[k];
                   return object;
                }
            }
        }
       
    }    
}


function ValidateConsonants(valor) 
{
	valor = valor.toLowerCase();
	if (/[bcdfghjklmnpqrstvwxyz]{7}/.test(valor))
		return false;
	else
		return true;
}  

function ValidateName(valor) 
{
	valor = valor.toLowerCase();
	if (/^[a-z ]+$/i.test(valor))
		return true;
	else
		return false;
} 

function ValidateEmailCharacters(valor)
{
	valor = valor.toLowerCase();
 	var ValidChars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";   
 	var Char;
 	var IsCorrect=true;
	
	for (cont = 0; cont < valor.length && IsCorrect == true; cont++) 
 	{ 
	  	Char = valor.charAt(cont); 
  		if (ValidChars.indexOf(Char) == -1) {
			return false;
		}
	}
	return true;
}

function ValidateEmail(valor) 
{    
	var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]{2,60}(\.[a-zA-Z]{2,4}){1,2}$/;  
    return emailPattern.test(valor); 
}

function ValidateEmailDomain(valor) 
{
	valor = valor.toLowerCase();
	if (/.ru$|.sk$|.ua$/i.test(valor))
		return false;	
	else
		return true;
}