var tabid=getQueryVariable('tabid');
topNaveFromHome();
function topNaveFromHome()
{
if(tabid=='131')
    topNavSelected('agaming');
else if(tabid=='132')
    topNavSelected('agraphics');
else if(tabid=='135')
    topNavSelected('aanimation');
else if(tabid=='136')
    topNavSelected('avideo');
else if(tabid=='152' || tabid=='171' || tabid=='172' || tabid=='114' || tabid=='108' || tabid=='164')
    topNavSelected('acontests');
else if(tabid=='153')
    topNavSelected('agroups');
else if(tabid=='120')
    topNavSelected('aforums');
else if(tabid=='')
    topNavSelected('ahome');
}


function topNavSelected(name)
{       
    var obj=document.getElementById(name);
    obj.style.backgroundColor="#383838";
    
}


function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
  return "";
}