if (document.images)
   {
	charging_off= new Image(87,100);
	charging_off.src="/media/images/charging.jpg";
	charging_on= new Image(87,100);
	charging_on.src="/media/images/charging-over.jpg";
	nesting_off= new Image(87,100);
	nesting_off.src="/media/images/nesting.jpg";
	nesting_on= new Image(87,100);
	nesting_on.src="/media/images/nesting-over.jpg";
	grooming_off= new Image(87,100);
	grooming_off.src="/media/images/grooming.jpg";
	grooming_on= new Image(87,100);
	grooming_on.src="/media/images/grooming-over.jpg";
	wrestling_off= new Image(87,100);
	wrestling_off.src="/media/images/wrestling.jpg";
	wrestling_on= new Image(87,100);
	wrestling_on.src="/media/images/wrestling-over.jpg";
	wadging_off= new Image(87,100);
	wadging_off.src="/media/images/wadging.jpg";
	wadging_on= new Image(87,100);
	wadging_on.src="/media/images/wadging-over.jpg";
	displaying_off= new Image(87,100);
	displaying_off.src="/media/images/displaying.jpg";
	displaying_on= new Image(87,100);
	displaying_on.src="/media/images/displaying-over.jpg";
	button_off= new Image(87,100);
	button_off.src="/media/thumbs/behaviors/behavior_glossary.gif";
	button_on= new Image(87,100);
	button_on.src="/media/thumbs/behaviors/behavior_glossary_on.gif";
   }

function change1(picName,imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + ".src");
      document[picName].src= imgOn;
    }
 }