var bannerSwapOn = 0;

function swapBannerContent(){
	if (bannerSwapOn == 0){
		$('frontimage').setStyle('display', 'none');
		$('promocontent').setStyle('display', 'block');
		bannerSwapOn = 1;
	}
	else if (bannerSwapOn == 1){
		$('frontimage').setStyle('display', 'block');
		$('promocontent').setStyle('display', 'none');
		bannerSwapOn = 0;
	}
}