var scBanItems = new Array();
var scBanItemCount=0;
var scBanItemIndex=1;
var scBanTimer;
var scBanSeconds = 5;
function scBanStart(){
	var index=1;
	var el;
	while ( el = document.getElementById('banItem_' + index)){
		scBanItems[index] = el;
          scBanItemCount++;
          el.style.position = 'absolute';
          el.style.top = '0px';
          el.style.left = '0px';
          if (index > 1) el.style.display = 'none';
		index++;
	}

	scBanTimer = window.setTimeout('scBanRotate()', scBanSeconds * 1000);
}
function scBanRotate(){
	var el = scBanItems[scBanItemIndex];
     el.style.display = 'none';

	scBanItemIndex++;
	if (scBanItemIndex >  scBanItemCount) scBanItemIndex = 1;

	var el = scBanItems[scBanItemIndex];
      el.style.display = 'block';

	scBanTimer = window.setTimeout('scBanRotate()', scBanSeconds * 1000);

}