function Check()
{
	if (document.contactform.full_name.value == "")
	{
		alert("Please fill in your Name");
		document.contactform.full_name.focus();
		return false;
	}
	
	var x = document.contactform.email.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	
	
	if (document.contactform.email.value == "")
	{
		alert('Please fill in your E-mail');
		document.contactform.email.focus();
		return false;

	}


	if (!filter.test(x)) 
	{
		 alert('Please your Email Address is wrong');
		 document.contactform.email.focus();
		return false;

	}
	
	if (document.contactform.country.value == "")
	{
		alert("Please choose a Country from the list");
		document.contactform.country.focus();
		return false;
	}

	if (document.contactform.comments.value == "")
	
	{
		alert("Please fill in your Comments");
		document.contactform.comments.focus();
		return false;
	}	

	if (document.contactform.codigoDigitado.value == "")
	
	{
		alert("Please fill in the security code");
		document.contactform.codigoDigitado.focus();
		return false;
	}	
}