function checkData ()
{
	if (document.signup.Name.value == "")
	{
			alert("Please fill in your Name.")
			document.signup.Name.focus()
			return false
	}
			
	if (document.signup.Country.value == "")
	{
			alert("Please fill in your Country.")
			document.signup.Country.focus()
			return false
	}
	
	if (document.signup.Comments.value == "")
	{
			alert("Please write your comments.")
			document.signup.Comments.focus()
			return false
	}
			
	if (document.signup.Rating.value == 0 && document.signup.Rating.value == "")
	{
		alert("Please select would you rank the product.")
		document.signup.Rating.focus()
		return false
	}
}