function Check()
		{
			
			if (document.contactform.full_name.value == "")
			{
				alert("Please fill in your Name");
				document.contactform.full_name.focus();
				return false;
			}
			
			if (document.contactform.phone.value == "")
			{
				alert("Please fill in your Phone");
				document.contactform.phone.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.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;
			}	
	    }