var doAlerts=false;
function changeSheets(whichSheet)
{
  var saveSheet = whichSheet;
  whichSheet=whichSheet-1;
  if(document.styleSheets)
  {
    var c = document.styleSheets.length;
    if (doAlerts) alert('Change to Style '+(whichSheet+1));
    for(var i=0;i<c;i++)
    {
      if(i!=whichSheet)
      {
        document.styleSheets[i].disabled=true;
      }
      else {document.styleSheets[i].disabled=false;}
    }
  }
  var sizeCookie = new Cookie('sizeCookie');
  sizeCookie.sheet = saveSheet;   //alert ("saving " + saveSheet);
  sizeCookie.store();
}

function setSize()
{
  var sizeCookie = new Cookie('sizeCookie');
  if (sizeCookie.load())
  {
    //alert ("restoring " + sizeCookie.sheet)
    changeSheets(sizeCookie.sheet);
  }
}