function setCookie(name, value, expires, path, domain, secure) {
  path="/";
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? ";   path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function DeleteCookie(name, path, domain)
{
 if(GetCookieByName(name))
  document.cookie = name + "=" + 
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  
}

function selcar(idcar, control)
{

  var today = new Date();
  var expiry = new Date(today.getTime()+30*24*60*60*1000);
  var b = eval("document.forms['listform']."+control);
  var cookstr = new String(getCookie('mychoose'));
  //alert(control+','+idcar);
  //alert(cookstr.indexOf(idcar)+'; '+cookstr);
  if (b.checked)
   { 
     if (cookstr.indexOf(idcar) == -1 ) 
      {
        if (cookstr.indexOf('null') > -1)
         { var newcookie = new String(idcar+"--->"); }
        else
         { var newcookie = new String(cookstr+idcar+"--->"); }
        setCookie('mychoose',newcookie,expiry); 
      }
   }
  else
   { 
     if (cookstr.indexOf(idcar) > -1 ) 
      {
        arrstr = cookstr.split("--->");
        newcookie = "";
        for (i in arrstr)
         { if((arrstr[i] != idcar) && (arrstr[i] != '')) { newcookie = arrstr[i]+"--->"+newcookie;} }
        setCookie('mychoose',newcookie,expiry); 
      }
   }
}

function clearall()
{
  var today = new Date();
  var expiry = new Date(today.getTime()+30*24*60*60*1000);

 if (window.confirm("Вы уверены, что хотите удалить все а/м из Вашей выборки?"))
 {
  newcookie = "";
  setCookie('mychoose',newcookie,expiry); 

  for(i=0; i<document.forms['listform'].length; i++)
  {   with (document.forms['listform'])
        { if (elements[i].type=="checkbox") { elements[i].checked=false;} }
  }
  window.location.href="list.php?mode=sample";
 }
}

function clearsend()
{
  today = new Date();
  expiry = new Date(today.getTime()+30*24*60*60*1000);
  newcookie = "";
  setCookie('mysend',newcookie,expiry); 
  return true;
}

function setsend()
{
  today = new Date();
  expiry = new Date(today.getTime()+30*24*60*60*1000);
  newcookie = "sendok";
  setCookie('mysend',newcookie,expiry); 
  return true;
}