var Imgs =[["images/jb_ba0805_02.gif","seminars/tw_eventjb08.htm"],["images/clem12_indexba.jpg","spss/seminar/Clementine_financial_0805.html"]];
showZoneId ="bannerZone";
imageNo = 0;
stopTime = 4500;
function showImageRandom(){toActionBack = setInterval("selectImage()",stopTime);}
function selectImage(){
	if(imageNo==0){
		document.getElementById(showZoneId).innerHTML='<a href="'+Imgs[imageNo][1]+'" target="_blank"><img src="'+Imgs[imageNo][0]+'" width="430" height="120" border="0"></a>';
		imageNo=1;
	}else{
		document.getElementById(showZoneId).innerHTML='<a href="'+Imgs[imageNo][1]+'" target="_blank"><img src="'+Imgs[imageNo][0]+'" width="430" height="120" border="0"></a>';
		imageNo=0;
	}
}