function showCatalog(flag) {
   if (flag == 1) {
      var isVal = ($("#services").val() > 0 ? true : false);
      $("#solutions").attr("disabled", isVal);
      if (isVal) {
         ajaxCatalog("services="+$("#services").val());
         ajaxTech("services="+$("#services").val()+"&solutions="+$("#solutions").val()+"&catalog="+$("#catalogList").val());
      }
   }
   else if (flag == 2) {
      var isVal = ($("#solutions").val() > 0 ? true : false);
      $("#services").attr("disabled", isVal);
      if (isVal) {
         ajaxCatalog("solutions="+$("#solutions").val());
         ajaxTech("services="+$("#services").val()+"&solutions="+$("#solutions").val()+"&catalog="+$("#catalogList").val());
      }
   }
   $("#resultsForm").empty();
}

function ajaxCatalog(dataSend) {
$.ajax({
    async: false,
    type: "POST",
    url: "scripts/catalog.php",
    data: dataSend,
    success: function(response) { $("#catalogSelect").html(response); }
   });
}

function showTech() {
   $("#services").attr("disabled", true);
   $("#solutions").attr("disabled", true);
   var isVal = ($("#catalogList").val() > 0 ? true : false);
   if (isVal) ajaxTech("services="+$("#services").val()+"&solutions="+$("#solutions").val()+"&catalog="+$("#catalogList").val());
   $("#resultsForm").empty();
}

function ajaxTech(dataSend) {
$.ajax({
    async: false,
    type: "POST",
    url: "scripts/tech.php",
    data: dataSend,
    success: function(response) { $("#techSelect").html(response); }
   });
}

function showItems(url, val) {
   $("#services").attr("disabled", true);
   $("#solutions").attr("disabled", true);
   $("#catalogList").attr("disabled", true);
   if (val > 0) document.location.href = url+'_'+val+'.htm';
   return true;
}

function NullForm() {
   $("#resultsForm").empty();
   ajaxCatalog('');
   ajaxTech('');
   $("#services").attr("value", 0);
   $("#solutions").attr("value", 0);
   $("#catalogList").attr("value", 0);
   $("#techList").attr("value", 0);
   if ($("#services").attr("disabled")) $("#services").attr("disabled", false);
   if ($("#solutions").attr("disabled")) $("#solutions").attr("disabled", false);
   if ($("#catalogList").attr("disabled")) $("#catalogList").attr("disabled", false);
   if ($("#techList").attr("disabled")) $("#techList").attr("disabled", false);
}