function banner() {
};

banner = new banner();
number = 0;

// bannerArray
banner[number++] = "<A href='http://www.dgm2.com/m/britart/b.asp?A=18345&I=4335'><IMG SRC='http://www.dgm2.com/m/britart/i.asp?A=18345&I=4335' BORDER=0></a>"
banner[number++] = "<a href='http://tracker.tradedoubler.com/click?p=1393&a=925829&g=86913' target='_blank'><img src='http://impgb.tradedoubler.com/imp/img/86913/925829' border=0></a>"
banner[number++] = "<a href='http://tracker.tradedoubler.com/click?p=1393&a=925829&g=86864' target='_blank'><img src='http://impgb.tradedoubler.com/imp/img/86864/925829' border=0></a>"
banner[number++] = "<A href='http://www.dgm2.com/m/britart/b.asp?A=18345&I=6151&C=spctpg1'><IMG SRC='http://www.dgm2.com/m/britart/i.asp?A=18345&I=6151' BORDER=0></a>"
banner[number++] ="<A href='http://www.dgm2.com/m/britart/b.asp?A=18345&I=6148&C=spctpg3'><IMG SRC='http://www.dgm2.com/m/britart/i.asp?A=18345&I=6148' BORDER=0></a>"
banner[number++] ="<A href='http://www.dgm2.com/m/britart/b.asp?A=18345&I=6161&C=spctpg5'><IMG SRC='http://www.dgm2.com/m/britart/i.asp?A=18345&I=6161' BORDER=0></a>"
banner[number++] ="<A href='http://www.dgm2.com/m/britart/b.asp?A=18345&I=6146&C=spctpg2'><IMG SRC='http://www.dgm2.com/m/britart/i.asp?A=18345&I=6146' BORDER=0></a>"
banner[number++] ="<iframe src='http://impgb.tradedoubler.com/imp/iframe/34570/925829' width=468 height=60 frameborder=0 border=0 marginwidth=0 marginheight=0 scrolling='no'></iframe>"
banner[number++] ="<a href='http://tracker.tradedoubler.com/click?p=1231&a=925829&g=7880' target='_blank'><img src='http://impgb.tradedoubler.com/imp/img/7880/925829' border=0></a>"
// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(banner[increment])