var curch=0;
 function chchan(clicktype) {
  if (window.chl!=undefined) {
  for (i=0;i<chl.length;i++) {
   if (i!=curch) chl[i].style.display='none'; else  chl[i].style.display='block';
  } 
 } else {
  if (clicktype) document.location.href='/tvprog/?channal='+curch;
  } 
 }
parsquery('channal','number');
if (tempznach=='') curch=0; else curch=tempznach;
chchan(false);