<!--
if (document.images) {
	yimg1on = new Image();           // Active images
	yimg1on.src = "images/listen-button-white.gif";  
	yimg2on = new Image();
	yimg2on.src = "images/listen-button-white.gif";
	yimg3on = new Image();           
	yimg3on.src = "images/listen-button-white.gif";  
	yimg4on = new Image();
	yimg4on.src = "images/listen-button-white.gif";
	yimg5on = new Image();
	yimg5on.src = "images/listen-button-white.gif"; 
	yimg6on = new Image();           
	yimg6on.src = "images/listen-button-white.gif";  
	yimg7on = new Image();
	yimg7on.src = "images/listen-button-white.gif";
	yimg8on = new Image();
	yimg8on.src = "images/listen-button-white.gif";  
	yimg1off = new Image();          // Inactive images
	yimg1off.src = "images/listen-button.gif"; 
	yimg2off = new Image();
	yimg2off.src = "images/listen-button.gif";
	yimg3off = new Image();          
	yimg3off.src = "images/listen-button.gif";  
	yimg4off = new Image();
	yimg4off.src = "images/listen-button.gif";
	yimg5off = new Image();
	yimg5off.src = "images/listen-button.gif"; 
	yimg6off = new Image();          
	yimg6off.src = "images/listen-button.gif";  
	yimg7off = new Image();
	yimg7off.src = "images/listen-button.gif";
	yimg8off = new Image();
	yimg8off.src = "images/listen-button.gif"; 
  }
    function yimgOn(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "on.src");
            }
    }
    function yimgOff(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "off.src");        
            }
    }
-->