function formCheck() 
{
		if (document.form.name.value == "") 
        {
        alert("Please enter your name");
        return false;
        }
		
		if (document.form.email.value.indexOf("@") == -1 ||
            document.form.email.value == "") 
        {
        alert("Please enter your email address");
        return false;
        }

		if (document.form.comments.value == "") 
        {
        alert("Please enter your comments");
        return false;
        }
}