function startPart(amount)
{                     
 if(!amount) amount=1;
  amount++;
  if(amount==3) amount=4;
  if(amount==12) amount=13;
  if(amount!=17){ //amount=1;
  URL="http://tp-ea.ru/excursion/?var="+amount+"#beg";
  setTimeout("reload(URL)", 8000);}
}

function reload(URL) {
    location = URL;
}