  <!--
  
    if(document.images)
    {
      mental_on = new Image();
      mental_on.src = 'images/mentalbua.gif';
      mental_off = new Image();
      mental_off.src = 'images/mentalbu.gif';
      
      disorders_on = new Image();
      disorders_on.src = 'images/disordersbua.gif';
      disorders_off = new Image();
      disorders_off.src = 'images/disordersbu.gif';
      
      food_on = new Image();
      food_on.src = 'images/foodbua.gif';
      food_off = new Image();
      food_off.src = 'images/foodbu.gif';
  
      depression_on = new Image();
      depression_on.src = 'images/depressionbua.gif';
      depression_off = new Image();
      depression_off.src = 'images/depressionbu.gif';
      
      anxiety_on = new Image();
      anxiety_on.src = 'images/anxietybua.gif';
      anxiety_off = new Image();
      anxiety_off.src = 'images/anxietybu.gif';
   
      bipolar_on = new Image();
      bipolar_on.src = 'images/bipolarbua.gif';
      bipolar_off = new Image();
      bipolar_off.src = 'images/bipolarbu.gif';

      drugrelated_on = new Image();
      drugrelated_on.src = 'images/drugrelatedbua.gif';
      drugrelated_off = new Image();
      drugrelated_off.src = 'images/drugrelatedbu.gif';
      
      behavioral_on = new Image();
      behavioral_on.src = 'images/behavioralbua.gif';
      behavioral_off = new Image();
      behavioral_off.src = 'images/behavioralbu.gif';    
     
      subresources_on = new Image();
      subresources_on.src = 'images/subresourcesbua.gif';
      subresources_off = new Image();
      subresources_off.src = 'images/subresourcesbu.gif'; 
      
      subcontact_on = new Image();
      subcontact_on.src = 'images/subcontactbua.gif';
      subcontact_off = new Image();
      subcontact_off.src = 'images/subcontactbu.gif'; 
      
      subabout_on = new Image();
      subabout_on.src = 'images/subaboutbua.gif';
      subabout_off = new Image();
      subabout_off.src = 'images/subaboutbu.gif'; 
      
      subhome_on = new Image();
      subhome_on.src = 'images/subhomebua.gif';
      subhome_off = new Image();
      subhome_off.src = 'images/subhomebu.gif'; 
    }
    
    function rollOver(iName,iState)
    {
      if(document.images)
      {
        document.images[iName].src = eval(iName + '_' + iState + '.src');
      }
    }
  // -->
