function ValidateDataConsultation()
{

	var element = document.getElementById('contactDate');
	if (element.value != "")
	{
		return false;
	}
		
	var element = document.getElementById('txtFirstName');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your first name.');
		element.focus();
		return (false);
	}
	else
	{
		if(HasNumbers(element.value))
		{
			alert('First Name contains numbers, please remove them.');
			element.focus();
			return (false);
		}
	}

	var element = document.getElementById('txtLastName');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your last name.');
		element.focus();
		return (false);
	}
	else
	{
		if(HasNumbers(element.value))
		{
			alert('Last Name contains numbers, please remove them.');
			element.focus();
			return (false);
		}
	}
		
	
	var element = document.getElementById('txtEmail');
	element.value=trim(element.value);
	if ((element.value == "") || (element.value == 'Email'))
	{
		alert('Please, enter your email.');
		element.focus();
		return (false);
	}
	else
	{
		if(!ValidateEmail(element.value))
		{
			alert("Please check the emails address");
			element.focus();
			return false;
		}
	}
	
	
	var element = document.getElementById('txtPhone');
	element.value=trim(element.value);
	if (element.value != "")
	{
		if(!ValidatePhone(element.value))
		{
			alert("Please, enter a valid phone number.");
			element.focus();
			return false;
		}
	}
	var element = document.getElementById('txtCellPhone');
	element.value=trim(element.value);
	if (element.value != "")
	{
		if(!ValidatePhone(element.value))
		{
			alert("Please, enter a valid mobile phone number.");
			element.focus();
			return false;
		}
	}
	return true;
}
	
function ValidateEmail(valor)
{
	if (/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(valor))
	return true;
	else
	return false;
}

function HasNumbers(valor) 
{
    if (/[0-9]/.test(valor))
            return true;
    else
            return false;
}

function ValidatePhone(incoming)
{
	var ValidChars = "0123456789.()- ";
	var IsCorrect=true;
	var Char;

	for (cont = 0; cont < incoming.length && IsCorrect == true; cont++) 
	{ 
		Char = incoming.charAt(cont); 
		if (ValidChars.indexOf(Char) == -1) 
			return false;
	}
	return true;
}

function trim(myString)
{
 return myString.replace(/^\s+/g,'').replace(/\s+$/g,'')
}