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(contactform) {

  if (isFilled(contactform.Name) == false) {
        alert("Please enter your Name.");
        contactform.Name.focus();
        return false;

        }

        if (isEmail(contactform.Email) == false) {
        alert ("Please enter a valid Email address.");
        contactform.Email.focus();
        return false;

        }

          if (isFilled(contactform.comment) == false) {
        alert("Please enter your Comment or Request.");
        contactform.comment.focus();
        return false;

        }

                         

   //      if ((isFilled(form.Name)) && (isFilled(form.Comment)) && (isEmail(form.Email)) == true) {

   //       confirmWindow = window.open('confirm.html' , 'confirmWin' , 'width=380,height=375');

//}



 return true;

}