var maxImagesNumber = 8;

function get_random(maxNum)
{
  if (Math.random && Math.round)
  {
    var ranNum= Math.round(Math.random()*(maxNum-1));
    ranNum+=1;
    return ranNum;
  }
  else
  {
  	today= new Date();
  	hours= today.getHours();
  	mins=   today.getMinutes();
  	secn=  today.getSeconds();
  	if (hours==19)
   		hours=18;
  	var ranNum= (((hours+1)*(mins+1)*secn)%maxNum)+1;
  	return ranNum;
  }
}
var RefBanner = new Array(9);
RefBanner[1]= 'banner/pic_03.jpg';
RefBanner[2]= 'banner/pic_04.jpg';
RefBanner[3]= 'banner/pic_06.jpg';
RefBanner[4]= 'banner/pic_07.jpg';
RefBanner[5]= 'banner/pic_08.jpg';
RefBanner[6]= 'banner/pic_01.jpg';
RefBanner[7]= 'banner/pic_02.jpg';
RefBanner[8]= 'banner/pic_05.jpg';

function DisplayBanners(){
	document.writeln('<div id="banner" align="right"><img name="TopBanner" src="', RefBanner[get_random(maxImagesNumber)], '" border=0></div>');	
}