var pos1, banner1Up;
function scrollingbanner() {pos1 = 0;banner1Up = true;setInterval('scroll()', 50);}
function scroll() {if (banner1Up == true) {if (pos1 == -530) {pos1 = 530;document.getElementById('banner1').style.marginTop = pos1 + 'px';document.getElementById('banner2').style.marginTop = '-1060px';banner1Up = false;}} else {if (pos1 == 0) {document.getElementById('banner2').style.marginTop = '0px';banner1Up = true;}}document.getElementById('banner1').style.marginTop = --pos1 + 'px';}