function isEmail(elm) {

  if (elm.value.indexOf("@") != "-1" && elm.value.indexOf(".") != "-1" || elm.value == "")

    return true;

    else return false; 

    }

    

    function isFilled(elm) {

    if (elm.value == "" ||  elm.value == null)

    return false;

    else return true;

    }

   

function isReady(csipForm) {


        if (isEmail(csipForm.Email) == false) {

        alert ("Please enter a valid Email address.");

        csipForm.Email.focus();

        return false;

        }



       if (isFilled(csipForm.Name) == false) {

        alert("Please enter your Name.");

        csipForm.Name.focus();

        return false;

        }

        

          if (isFilled(csipForm.comment) == false) {

        alert("Please enter your Comment.");

        csipForm.comment.focus();

        return false;

        }


 return true;
}