function start() {
  document.prescont2.q1.focus();
}

function validate() {
 
  if (document.prescont2.q1.value !="I'm sitting on a chair.") {
      alert("try again for 1");
      document.prescont2.q1.focus();
      document.prescont2.q1.select();
      return false;
}
  if (document.prescont2.q2.value !="He's smoking a cigar.") {
      alert("try again for 2");
      document.prescont2.q2.focus();
      document.prescont2.q2.select();
      return false;
    }
 
  if (document.prescont2.q3.value !="They're playing football."){
      alert("try again for 3");
       document.prescont2.q3.focus();
       document.prescont2.q3.select();
       return false; 
}
  if (document.prescont2.q4.value !="It's raining."){
      alert("try again for 4");
      document.prescont2.q4.focus();
      document.prescont2.q4.select();
      return false;
  }
  if (document.prescont2.q5.value !="Anne's writing a letter."){
      alert("try again for 5");
      document.prescont2.q5.focus();
      document.prescont2.q5.select();
      return false;
  }
  if (document.prescont2.q6.value !="Bob's reading a book."){
      alert("try again for 6");
      document.prescont2.q6.focus();
      document.prescont2.q6.select();
      return false;
  }
  if (document.prescont2.q7.value !="We're walking to work."){
      alert("try again for 7");
      document.prescont2.q7.focus();
      document.prescont2.q7.select();
      return false;
  }
  if (document.prescont2.q8.value !="You're eating an apple."){
      alert("try again for 8");
      document.prescont2.q8.focus();
      document.prescont2.q8.select();
      return false;
  }
  if (document.prescont2.q9.value !="They're running around the park."){
      alert("try again for 9");
      document.prescont2.q9.focus();
      document.prescont2.q9.select();
      return false;
  }
  if (document.prescont2.q10.value !="I'm waiting for the bus."){
      alert("try again for 10");
      document.prescont2.q10.focus();
      document.prescont2.q10.select();
      return false;
  }
     
   alert("Good work. All your answers are correct.");
   return true;
}

function answers() {
    NewWin=window.open('answers_prescont2.html','NewWin',
   'toolbar=no,status=no,width=320,height=360');
}