function initTabs(tabs) {
   var startTab = false;
   for(var i in tabs) {
      var tab = tabs[i];
      $('#tab_' + tab).click(
         (function(tab){return function(){
            if(activeTab) {
               $('#tab_'+activeTab+'_img').attr('src',layout + 'submenu_'+activeTab+'.jpg');
               $('#tab_'+activeTab+'_content').hide();
            }
            $('#tab_'+tab+'_img').attr('src',layout + 'submenu_'+tab+'_active.jpg');
            $('#tab_'+tab+'_content').show();
            activeTab = tab;
         }})(tab)
      );
      if(window.location.hash == ('#' + tab)) {
         startTab = tab;
      }
   }
   if(startTab) {
      $('#tab_'+startTab).click();
   }
}