if (document.images) {
    img_on = new Image();  
    img_on.src = "http://www.hebbink.com/images/logo_small_on.gif"; 
    img_off= new Image();
    img_off.src = "http://www.hebbink.com/images/logo_small_off.gif"; 
}

function handleOver() { 
    if (document.images) document.imgName.src = img_on.src;
}

function handleOut() {
    if (document.images) document.imgName.src = img_off.src;
}

document.write("<a href=\"http://www.hebbink.com\" target=\"_blank\" onmouseover=\"handleOver();return true;\" onmouseout=\"handleOut();return true;\">");
document.write("<img name=\"imgName\" border=\"0\" title=\"Made by Hebbink.com!\" alt=\"Made by Hebbink.com!\" src=\"http://www.hebbink.com/images/logo_small_off.gif\" /></a>");