var i=Math.round(Math.random()*4);
if (i==0) vloz='<img src="logo1.gif" border="0" alt="Výstavy | Stany | Konference | Promo akce : : Celtic.cz">';
if (i==1) vloz='<img src="logo2.gif" border="0" alt="Výstavy | Stany | Konference | Promo akce : : Celtic.cz">';
if (i==2) vloz='<img src="logo3.gif" border="0" alt="Výstavy | Stany | Konference | Promo akce : : Celtic.cz">';
if (i==3) vloz='<img src="logo4.gif" border="0" alt="Výstavy | Stany | Konference | Promo akce : : Celtic.cz">';
if (i==4) vloz='<img src="logo5.gif" border="0" alt="Výstavy | Stany | Konference | Promo akce : : Celtic.cz">';

var expDays = 90;
var exp = new Date() ;
exp.setTime(exp.getTime() + (expDays*24*60*60*1000)) ;

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf(";", offset) ;
	if (endstr == -1)
		endstr = document.cookie.length ;
		return unescape(document.cookie.substring(offset,endstr)) ;
}

function GetCookie (name) {
  var arg = name + "=" ;
  var alen = arg.length ;
  var clen = document.cookie.length ;
  var i = 0 ;
  while (i < clen) {
    var j = i + alen ;
    if (document.cookie.substring(i, j) == arg)
	//return getCookieVal (j) ;
	ref = getCookieVal (j) ;
	document.all.odkazovac.value = ref ;
    i = document.cookie.indexOf(" ", i) + 1 ;
    if (i == 0) break ;
  }
  // return "<hr>" ;
}

function GetCookie2 (name) {
  var arg = name + "=" ;
  var alen = arg.length ;
  var clen = document.cookie.length ;
  var i = 0 ;
  while (i < clen) {
    var j = i + alen ;
    if (document.cookie.substring(i, j) == arg)
	return getCookieVal (j) ;
    i = document.cookie.indexOf(" ", i) + 1 ;
    if (i == 0) {
	return "noreferrer" ;
	break ;
	}
  }
  // return "<hr>" ;
}

function SetCookie (name, value) {
  var argv = SetCookie.arguments ;
  var argc = SetCookie.arguments.length ;
  var expires = (argc > 2) ? argv[2] : null ;
  var path = (argc > 3) ? argv[3] : null ;
  var domain = (argc > 4) ? argv[4] : null ;
  var secure = (argc > 5) ? argv[5] : false ;
  document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {
  var exp = new Date() ;
  exp.setTime (exp.getTime() - 1) ;
    var cval = GetCookie (name) ;
  document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function Add()
	{
// var exists = "noreferrer" ;
// exists = GetCookie2('celtic') ;
if (document.referrer && !document.cookie.length) {
somthing = document.referrer ;
// somthing = GetCookie('celtic') + poznamka.value + "<hr>" ;
// DeleteCookie ('celtic') ;
SetCookie ('celtic', somthing, exp) ;
}
}