var tabs = new Array();
   var xmlHttp;

   function loadTab(tab) {
      //if(tabs[tab] == null) {
         xmlHttp = getHttpRequest();
         if (xmlHttp == null) return;

         xmlHttp.onreadystatechange = function() {
            if (xmlHttp.readyState == 4) {
               tabs[tab] = xmlHttp.responseText;
               activateTab(tab);
            }
         }
         xmlHttp.open("GET", "/app/anasayfa.tv?ajax=true&content=" + tab, true);
         xmlHttp.send(null);
      /*} else {
         activateTab(tab);
      }*/
   }

   function activateTab(tab) {
      switch(tab) {
         case 0:
            document.getElementById('newItemsVideoTab').className = "active";
            document.getElementById('newItemsSubjectTab').className = "deactive";
            document.getElementById('newItemsExpertTab').className = "deactive";
            document.getElementById('newItemsContainer').innerHTML = tabs[tab];
         break;
         case 1:
            document.getElementById('newItemsVideoTab').className = "deactive";
            document.getElementById('newItemsSubjectTab').className = "active";
            document.getElementById('newItemsExpertTab').className = "deactive";
            document.getElementById('newItemsContainer').innerHTML = tabs[tab];
         break;
         case 2:
            document.getElementById('newItemsVideoTab').className = "deactive";
            document.getElementById('newItemsSubjectTab').className = "deactive";
            document.getElementById('newItemsExpertTab').className = "active";
            document.getElementById('newItemsContainer').innerHTML = tabs[tab];
         break;
         case 3:
            document.getElementById('mostViewedItemsVideoTab').className = "active";
            document.getElementById('mostViewedItemsSubjectTab').className = "deactive";
            document.getElementById('mostViewedItemsExpertTab').className = "deactive";
            document.getElementById('mostViewedItemsContainer').innerHTML = tabs[tab];
         break;
         case 4:
            document.getElementById('mostViewedItemsVideoTab').className = "deactive";
            document.getElementById('mostViewedItemsSubjectTab').className = "active";
            document.getElementById('mostViewedItemsExpertTab').className = "deactive";
            document.getElementById('mostViewedItemsContainer').innerHTML = tabs[tab];
         break;
         case 5:
            document.getElementById('mostViewedItemsVideoTab').className = "deactive";
            document.getElementById('mostViewedItemsSubjectTab').className = "deactive";
            document.getElementById('mostViewedItemsExpertTab').className = "active";
            document.getElementById('mostViewedItemsContainer').innerHTML = tabs[tab];
         break;
         case 6:
            document.getElementById('topRatedItemsVideoTab').className = "active";
            document.getElementById('topRatedItemsSubjectTab').className = "deactive";
            document.getElementById('topRatedItemsExpertTab').className = "deactive";
            document.getElementById('topRatedItemsContainer').innerHTML = tabs[tab];
         break;
         case 7:
            document.getElementById('topRatedItemsVideoTab').className = "deactive";
            document.getElementById('topRatedItemsSubjectTab').className = "active";
            document.getElementById('topRatedItemsExpertTab').className = "deactive";
            document.getElementById('topRatedItemsContainer').innerHTML = tabs[tab];
         break;
         case 8:
            document.getElementById('topRatedItemsVideoTab').className = "deactive";
            document.getElementById('topRatedItemsSubjectTab').className = "deactive";
            document.getElementById('topRatedItemsExpertTab').className = "active";
            document.getElementById('topRatedItemsContainer').innerHTML = tabs[tab];
         break;
      }
   }