function flashLogo(){
    var logo = document.getElementById('kud-culture-logo-img');
    if(logo.src == 'http://www.kud.com.au/culture/images/KUD-CULTURE-BLK-OFF.jpg'){
       logo.src = 'http://www.kud.com.au/culture/images/KUD-CULTURE-BLK-ON.jpg';
    } else {
	logo.src = 'http://www.kud.com.au/culture/images/KUD-CULTURE-BLK-OFF.jpg';
    }
}