var KEUR = 25.444;
var KUSD = 18.700;

function TstEmail(s)
{ var i, j, t, z;
  var inx;
  if (s == '') return(1);
  for(i=j=1, t=z=0, inx=0; (inx < s.length); inx++, i++, j++)
  { if ((s.charAt(inx) >= 'a') && (s.charAt(inx) <= 'z')) continue;
    if ((s.charAt(inx) >= 'A') && (s.charAt(inx) <= 'Z')) continue;
    if ((s.charAt(inx) >= '0') && (s.charAt(inx) <= '9')) continue;
    if (i <= 1) return(j);
    if ((s.charAt(inx) == '_') || (s.charAt(inx) == '-')) continue;
    if (s.charAt(inx) == '@') {i=0; t=0; if (++z > 1) return(j); continue;} 
    if (s.charAt(inx) == '.') {i=0; t++; continue;} 
    return(j);
  }
  if ((z != 1) || (t == 0) || (i == 1)) return(j);
  return(0);
}

function IdfCislo(Nazev) 
{ var i, j;
  if (Nazev.length <= 0) return 0;
  i = Nazev.lastIndexOf("("); 
  j = Nazev.indexOf(")", i); if (j < 0) j=Nazev.length;
  if (! isNaN(Nazev.substring(i+1, j)) )
    return eval(Nazev.substring(i+1, j));
  else 
    return 0;
}

function VyberDet()
{ var Det;
  Det = document.location.search.substring(1);
  if ((Det == '')||(Det.charAt(3)!='_')) return false;
  INFO.location.href=Det;
  return true;
}

function VyberRam()
{ var i;
  var Kat=['tec','pol','jed','hry','hvv','pan','sta','dop','skl','3dp','bet','puz','rek','obj','kon','inf','mod','arc','drv','m87'];
  var Ram, Det;
  Det = document.location.search.substring(1);
  Ram = Det.substring(0,3);
  if (Ram == '') return true;
  if (Ram == 'hap') Ram='hry';
  if (Ram == '3dp') Ram='skl';
  if (Ram == 'pol') Ram='tec';
  for (i in Kat) 
    if (Kat[i] == Ram)
    { MAIN.location.href=Ram + '-ramy.html' + ((Det!=Ram)?('?'+Det):'');
      return true;
    }
  return false;
}