var defalutText = "社名・職種・業態など";

function removeDefaultText() {
  if ( $('free_word_search').value == defalutText ) {
    $('free_word_search').value = "";
  }
}
function blurText(formName, controlName){
  freeWord = document.forms[formName].elements[controlName].value;
  if ( freeWord == "" ) {
    document.forms[formName].elements[controlName].value = defalutText;
    document.forms[formName].elements[controlName].style.color = "#999";
  }
}

function focusText(formName, controlName){
  freeWord = document.forms[formName].elements[controlName].value;
  if ( freeWord == defalutText ) {
    document.forms[formName].elements[controlName].value = "";
    document.forms[formName].elements[controlName].style.color = "#000";
  }
}