<!--
if (document.images) {
	img1on = new Image();           // The onmouseover image
	img1on.src = "images/btn_first_on.png";  
	
	img1off = new Image();          // The normally seen image
	img1off.src = "images/btn_first.png"; 

	img2on = new Image();           // The onmouseover image
	img2on.src = "images/btn_previous_on.png";  
	
	img2off = new Image();          // The normally seen image
	img2off.src = "images/btn_previous.png"; 	


	img3on = new Image();           // The onmouseover image
	img3on.src = "images/btn_next_on.png";  
	
	img3off = new Image();          // The normally seen image
	img3off.src = "images/btn_next.png"; 	
	

	img4on = new Image();           // The onmouseover image
	img4on.src = "images/btn_last_on.png";  
	
	img4off = new Image();          // The normally seen image
	img4off.src = "images/btn_last.png"; 			
	
  }				  //This function changes the image when over.
    function imgOn(imgName) {
            if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
            }
    }				   //This function changes the image back when off.
    function imgOff(imgName) {
            if (document.images) {
            document[imgName].src = eval(imgName + "off.src");        
            }
    }
//-->