function see(i)  {  
document.getElementById(i).style.display = "block";
}
function nosee(i)  {  
document.getElementById(i).style.display = "none";
}


function see2(i)  {  
document.getElementById(i).style.display = "block";
document.getElementById("q0"+i).style.display = "none";
}
function nosee2(i)  {  
document.getElementById(i).style.display = "none";
document.getElementById("q0"+i).style.display = "block";
}

function open_window(link,w,h) //opens new window
 {
  var win = "width="+w+",height="+h+",left=300,top=300,menubar=no,location=no,resizable=yes,scrollbars=yes";
  newWin = window.open(link,"newWin",win);
  newWin.focus();
 }

function seem(i)  {  
if (document.getElementById(i).style.display == "none") document.getElementById(i).style.display = "block";
else document.getElementById(i).style.display = "none";
}