function setCountryFilter(cur_country){
   var country = document.getElementById("country");
   set_country = country[country.selectedIndex].value;
   setCookie('country', set_country);
   setStateFilter(cur_country!=set_country ? 'reset' : 'set');
   window.location.reload();
}

function setStateFilter(mode){
  if(mode=='reset') {
    state_value = 'All';
  } else {
    var state = document.getElementById("state");
    state_value = state[state.selectedIndex].value;
  }
  setCookie('state', state_value);
  window.location.reload();
}

function setCookie(cookieName,cookieValue,nDays) {
   var today = new Date();
   var expire = new Date();
   if (nDays==null || nDays==0) nDays=1;
   expire.setTime(today.getTime() + 3600000*24*nDays);
   document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();
}

function goBack(count) {
  document.getElementById('startpos').value = parseInt(document.getElementById('startpos').value)-count*2;
}