  <!--
  
    if(document.images)
    {
      drugs_on = new Image();
      drugs_on.src = 'images/drugsbua.gif';
      drugs_off = new Image();
      drugs_off.src = 'images/drugsbu.gif';
      
      reference_on = new Image();
      reference_on.src = 'images/referencebua.gif';
      reference_off = new Image();
      reference_off.src = 'images/referencebu.gif';
      
      sideeffects_on = new Image();
      sideeffects_on.src = 'images/sideeffectsbua.gif';
      sideeffects_off = new Image();
      sideeffects_off.src = 'images/sideeffectsbu.gif';
  
      information_on = new Image();
      information_on.src = 'images/informationbua.gif';
      information_off = new Image();
      information_off.src = 'images/informationbu.gif';
      
      drugsonline_on = new Image();
      drugsonline_on.src = 'images/drugsonlinebua.gif';
      drugsonline_off = new Image();
      drugsonline_off.src = 'images/drugsonlinebu.gif';
    
      oxycontin_on = new Image();
      oxycontin_on.src = 'images/oxycontinbua.gif';
      oxycontin_off = new Image();
      oxycontin_off.src = 'images/oxycontinbu.gif';
      
      xanax_on = new Image();
      xanax_on.src = 'images/xanaxbua.gif';
      xanax_off = new Image();
      xanax_off.src = 'images/xanaxbu.gif';
     
      subhome_on = new Image();
      subhome_on.src = 'images/subhomebua.gif';
      subhome_off = new Image();
      subhome_off.src = 'images/subhomebu.gif';
      
      subabout_on = new Image();
      subabout_on.src = 'images/subaboutbua.gif';
      subabout_off = new Image();
      subabout_off.src = 'images/subaboutbu.gif';
      
      sublinks_on = new Image();
      sublinks_on.src = 'images/sublinksbua.gif';
      sublinks_off = new Image();
      sublinks_off.src = 'images/sublinksbu.gif';
     
      subcontact_on = new Image();
      subcontact_on.src = 'images/subcontactbua.gif';
      subcontact_off = new Image();
      subcontact_off.src = 'images/subcontactbu.gif';
    }
    
    function rollOver(iName,iState)
    {
      if(document.images)
      {
        document.images[iName].src = eval(iName + '_' + iState + '.src');
      }
    }
  // -->