var CurrentHomePage = 0;
var currentTab = "0";

function HandleTabClick(index)
{   
   var tab;
   
   HideTabs();
   ToggleHomeNav('off');
   
   switch(index)
   {
      case 0:
         tab = document.getElementById('HomeTab0');
         currentTabHOME = "0";
         ToggleHomeNav('on');
         break;
         
      case 1:
         tab = document.getElementById('HomeTab1');
         currentTabHOME = "1";
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/pillar_tab_1"); 
         }
         break;
         
      case 2:
         tab = document.getElementById('HomeTab2');
         currentTabHOME = "2";
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/pillar_tab_2"); 
         }
         break;
         
      case 3:
         tab = document.getElementById('HomeTab3');
         currentTabHOME = "3";
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/pillar_tab_3"); 
         }
         break;        
     
   }
   
   tab.style.display = 'block';
   SetTabHOME(index);
}

function ToggleHomeNav(state)
{
   var nav = document.getElementById('HomePageNav');
   var display = "none";
   
   if(state.toLowerCase() == 'on')
      display = 'block';
      
   nav.style.display = display;
}

function HideTabs()
{
   var T0, T1, T2, T3;
   
   T0 = document.getElementById('HomeTab0');
   T1 = document.getElementById('HomeTab1');
   T2 = document.getElementById('HomeTab2');
   T3 = document.getElementById('HomeTab3');
   
   T0.style.display = 'none';
   T1.style.display = 'none';
   T2.style.display = 'none';
   T3.style.display = 'none';
   
}

function HandlePageNav(dir)
{   
   var P0 = document.getElementById('Main0');
   var P1 = document.getElementById('Main1');
   var P2 = document.getElementById('Main2');
   var P3 = document.getElementById('Main3');
   var P4 = document.getElementById('Main4');
   var P5 = document.getElementById('Main5');
   
   var newPage = 0;
   
   switch(dir.toUpperCase())
   {
      case 'P':
         newPage = CurrentHomePage - 1;
         if(newPage < 0) newPage = 5;
         break;
         
      case 'N':
         newPage = CurrentHomePage + 1;         
         if(newPage > 5) newPage = 0;
         break;
   }
   
   P0.style.display = 'none';
   P1.style.display = 'none';
   P2.style.display = 'none';
   P3.style.display = 'none';
   P4.style.display = 'none';
   P5.style.display = 'none';
     
   switch(newPage)
   {
      case 0:
         P0.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_1"); 
         }
         break;
         
      case 1:
         P1.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_2"); 
         }
         break;
         
      case 2:
         P2.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_3"); 
         }
         break;
         
      case 3:
         P3.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_4"); 
         }
         break;
         
      case 4:
         P4.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_5"); 
         }
         break;
         
      case 5:
         P5.style.display = 'block';
         if (typeof pageTracker != "undefined"){
            pageTracker._trackPageview("/home_broadcast_6"); 
         }
         break;
   }
   
   CurrentHomePage = newPage;
   
}