/**
 * @author Johan van Zonneveld
 */

if (document.images)
   {
   	 /* EXPERTISE BUTTON */
	
     expertiseon= new Image(137,23);
     expertiseon.src="../images/more_expertise_hover.png";  

     expertiseoff= new Image(137,23);
     expertiseoff.src="../images/more_expertise.png";
	 
	 
	 /* SPINE BUTTON */
	
     spineon= new Image(104,24);
     spineon.src="../images/more_spine_hover.png";  

     spineoff= new Image(104,24);
     spineoff.src="../images/more_spine.png";
	 
	 
	 /* SPINE BUTTON */
	
     referenceon= new Image(167,23);
     referenceon.src="../images/more_reference_hover.png";  

     referenceoff= new Image(167,23);
     referenceoff.src="../images/more_reference.png";
	 
	 
	 /* VALUES BUTTON */
	
     valueson= new Image(142,23);
     valueson.src="../images/more_values_hover.png";  

     valuesoff= new Image(142,23);
     valuesoff.src="../images/more_values.png";
	 
	 
	 /* VALUES BUTTON */
	
     videoon= new Image(87,23);
     videoon.src="../images/play_video_hover.png";  

     videooff= new Image(87,23);
     videooff.src="../images/play_video.png";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }