function DataCheck (form_name) {

if (document[form_name].question.value == "" || document[form_name].question.value == "Type your complete question")
  {
    alert("Please enter the question");
    document[form_name].question.focus();
    return false;
  }
if (trim(document[form_name].question.value).split(' ').length < 3)
  {
    alert("Please enter the full sentence");
    document[form_name].question.focus();
    return false;
  }

 return true;
}

function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}