function start() {
  document.forsince2.q1.focus();
}


function validate() {
 
  if (document.forsince2.q1.value != "for") {
      alert("try again for 1");
      document.forsince2.q1.focus();
      document.forsince2.q1.select();
      return false; 
}
  if (document.forsince2.q2.value != "since") {
      alert("try again for 2");
 document.forsince2.q2.focus();
      document.forsince2.q2.select();
     return false; 
    }
 
  if (document.forsince2.q3.value != "since"){
      alert("try again for 3");
 document.forsince2.q3.focus();
      document.forsince2.q3.select();
      return false; 
}
       
 if (document.forsince2.q4.value != "for") {
      alert("try again for 4");
 document.forsince2.q4.focus();
      document.forsince2.q4.select();
      return false; 
}
  if (document.forsince2.q5.value != "since") {
      alert("try again for 5");
 document.forsince2.q5.focus();
      document.forsince2.q5.select();
     return false; 
    }
 
  if (document.forsince2.q6.value != "since"){
      alert("try again for 6");
 document.forsince2.q6.focus();
      document.forsince2.q6.select();
      return false; 
}
       
 if (document.forsince2.q7.value != "for") {
      alert("try again for 7");
 document.forsince2.q7.focus();
      document.forsince2.q7.select();
      return false; 
}
  if (document.forsince2.q8.value != "for") {
      alert("try again for 8");
 document.forsince2.q8.focus();
      document.forsince2.q8.select();
     return false; 
    }
 
  if (document.forsince2.q9.value != "since"){
      alert("try again for 9");
 document.forsince2.q9.focus();
      document.forsince2.q9.select();
      return false; 
}

  if (document.forsince2.q10.value != "for"){
      alert("try again for 10");
 document.forsince2.q10.focus();
      document.forsince2.q10.select();
      return false; 
}
       
   alert("Good work. All your answers are correct.");
   return true;
}

function answers() {
    NewWin=window.open('answers.html','NewWin',
   'toolbar=no,status=no,width=200,height=360');
}