if(document.images){
  	var drivers_00 = new Image(); 
  	drivers_00.src = "http://laserxpress.com/i/drivers_00.gif";
  	var drivers_01 = new Image(); 
  	drivers_01.src = "http://laserxpress.com/i/drivers_01.gif";

  	var products_00 = new Image(); 
  	products_00.src = "http://laserxpress.com/i/products_00.gif";
  	var products_01 = new Image(); 
  	products_01.src = "http://laserxpress.com/i/products_01.gif";

  	var technical_support_00 = new Image(); 
  	technical_support_00.src = "http://laserxpress.com/i/technical_support_00.gif";
  	var technical_support_01 = new Image(); 
  	technical_support_01.src = "http://laserxpress.com/i/technical_support_01.gif";
    }


    function on(image){
	if (document.images)
	    document.getElementById(image).src = eval(image+"_01.src");
	    return(true);
    }

    function off(image){
	if (document.images)
	    document.getElementById(image).src = eval(image+"_00.src");
	    return(true);
    }