function selectState(id) {
  var states = new Array();
  states = Array("qld", "vic", "nsw", "tas", "sa", "wa");

  for(var i=0;i<states.length;i++) {
    var state = states[i];
    try {
      if(id != state) {
        $(state + "_el").hide();
      }
    }
    catch(e) { }
  }

  if(!$(id + "_el").visible()) {
    Effect.Appear(id + "_el")
  }
}

function filterContent($cat, $t) {
  new Ajax.Request(WEB_PATH + SUB_DIR + "products.php?t="+$t+"&filter=y&reload=y&cat="+$cat, {
    method:'get',
    onSuccess: function(transport){
      var response = transport.responseText;
      $("products_holder").innerHTML = response;
    }
  });
}


function doAjax(cat, t) {
  $.ajax({
    url:  WEB_PATH + SUB_DIR + "products.php?t="+t+"&filter=y&reload=y&cat="+cat,
    success: function(data) {
      document.getElementById("spotlightWrapper").innerHTML = data;
    }
  });
}

function showForm() {
  $("contact_form").show();
  $("enquiry_link").hide();
  return false;
}

function calculate($type, $product, $dosage, $d_more) {
  $type = document.getElementById('product_type').value;
  if($product == true) { $product = document.getElementById('product').value; }
  if($dosage == true) { $dosage = document.getElementById('dosage').value; }
  if($d_more == true) { $d_more = document.getElementById('dosage_more').value; }
  new Ajax.Request(WEB_PATH + SUB_DIR + "calculator.php?reload=y&t="+$type+"&p="+$product+"&d="+$dosage+"&m="+$d_more, {
  method:'get',
  onSuccess: function(transport){
    var response = transport.responseText;
    $('form_holder').innerHTML = response;
  }
  });
}

function calculateTotal($variable) {
  $this = document.getElementById('lifestock').value;
  $total = $this * $variable;
  if($total > 0) {
    if($total >= 1000) {
      $total = $total/1000;
      $result = '= '+$total+' Litres for your livestock'
    } else {
      $result = '= '+$total+'ml for your livestock'
    }
    document.getElementById('dosage_total').innerHTML = $result;
  } else {
    document.getElementById('dosage_total').innerHTML = '';
  }
}