function ValidateData(FirstName,Email, Subject,Comment,contactDate)
{
    //if (!contactDate && contactDate.value != "")
    //{						
	    //return (false);
    //}
	
    if ((FirstName.value == "") || (FirstName.value == FirstName.defaultValue))
    {
	    alert('Please, enter your first name.');
	    FirstName.focus();
	    return (false);
    }
	
   
    if ((Email.value == "") || (Email.value == Email.defaultValue))
    {
	    alert('Please, enter your email.');
	    Email.focus();
	    return (false);
    }
    else
    {
	    if(!ValidateEmail(Email.value))
	    {
		    alert("Please check the emails address.");
		    Email.focus();
		    return false;
	    }
    }
    
     if ((Subject.value == "") || (Subject.value == Subject.defaultValue))
    {
	    alert('Please, enter your subject.');
	    Subject.focus();
	    return (false);
    }
	
		
    if ((Comment.value == "") || (Comment.value ==Comment.defaultValue ))
    {
	    alert('Please, enter your message.');
	    Comment.focus();
	    return (false);
    }
	
    return true;
}

function OnSubmit(){
	
	debugger;
    var FirstName=document.getElementById('contact_name');		    
    var Email=document.getElementById('contact_email');	
    var Subject=document.getElementById('contact_subject');		    
    var Comment=document.getElementById('contact_text');		    
    var contactDate;
    //var contactDate=document.getElementById('contactDate');
    
	return ValidateData(FirstName,Email,Subject, Comment, contactDate);
}

function CustomValidateEmail(source, arguments)
{
    if(arguments)
    {
        var Email = getElementContact(source.controltovalidate);
        if (Email.value == "")
	    {
		    source.errormessage = 'Please, enter your Email Address.';
		    Email.focus();
		    arguments.IsValid=false;
		    return;
	    }
	    else
	    {
			if(!ValidateEmailCharacters(Email.value))
			{
				source.errormessage = "Please check your Email Address.";
				Email.focus();
			 	arguments.IsValid=false;				
				return;
			}	
			
			if(!ValidateEmail(Email.value))
			{
				source.errormessage = "Please check your Email Address.";
				Email.focus();
			 	arguments.IsValid=false;
				return;
			}
			
			if(!ValidateEmailDomain(Email.value))
			{
				source.errormessage = "Please check your Email Address.";
				Email.focus();
			 	arguments.IsValid=false;
				return;
			}
			
			if(!ValidateConsonants(Email.value))
			{
				source.errormessage = "Please check your Email Address.";
				Email.focus();
			 	arguments.IsValid=false;
				return;
			}
			
	    }
        arguments.IsValid=true;
    
    }    
}

function ValidateEmail(valor) 
{
    if (/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(valor))
	    return true;
    else
	    return false;
}

function CustomValidateComments(source, arguments)
{
    var Comment = getElementContact(source.controltovalidate);
    if (Comment.value == "")
	{
		source.errormessage = 'Please, enter your Comments.';
		Comment.focus();
		arguments.IsValid=false;
		return;
	}		
    arguments.IsValid=true;
}


function CustomValidateFullName(source, arguments)
{
    var FullName = getElementContact(source.controltovalidate);
    if (FullName.value == "")
    {
	    source.errormessage = 'Please, enter your Full Name.';
		FullName.focus();
	    arguments.IsValid=false;		
	    return;
    }
	else		
	{
		if (!ValidateName(FullName.value))
		{
			source.errormessage = 'Please, check your Full Name.';    	   
			FullName.focus();
			arguments.IsValid=false;
			return;
		}
		if(!ValidateConsonants(FullName.value))
		{
			source.errormessage = 'Please, check your Full Name.';
			FullName.focus();
			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 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 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 ValidateEmailDomain(valor) 
{
	valor = valor.toLowerCase();
	if (/.ru$|.sk$|.ua$/i.test(valor))
		return false;	
	else
		return true;
} 

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