function validateForm(Form)
{
  	var errMsg = "Please submit your comments. \n";


// When email is required
if(Form.email.value.length < 1)
	{alert(errMsg + "\nPlease provide your e-mail address"); Form.email.focus(); return false;}	
var emailString = Form.email.value;
if(emailString.indexOf("@") == -1)
	{alert(errMsg + "\nInvalid Email Address"); Form.email.focus(); return false;}		

	
if(Form.Comments.value=="")
    {
      alert("Please submit your comments.");
      Form.Comments.focus();
      return (false);
    }		

return true;
}