function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function clicker(that) {
    var pick = that.options[that.selectedIndex].value;
    if(pick == "0"){
        document.getElementById('rest_default').style.display='inline';
        document.getElementById('rest_kuchnie').style.display='none';
        document.getElementById('rest_alfabetycznie').style.display='none';
        setCookie('sort','',356);
    }
    if(pick == "1"){
        document.getElementById('rest_default').style.display='none';
        document.getElementById('rest_kuchnie').style.display='none';
        document.getElementById('rest_alfabetycznie').style.display='inline';
        setCookie('sort','rest_alfabetycznie',356);
    }
    if(pick == "2"){
        document.getElementById('rest_default').style.display='none';
        document.getElementById('rest_kuchnie').style.display='inline';
        document.getElementById('rest_alfabetycznie').style.display='none';
        setCookie('sort','rest_kuchnie',356);
    }
}