var how_many_ads = 7;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="NCR"; 
url="http://www.ncr.com";
alt="NCR";
banner="images/banners/ncr.gif";
targ="_top";
}
if (ad==2) {
txt="NetU Consultants Ltd"; 
url="http://www.netugroup.com";
alt="NETU";
banner="images/banners/netu.gif";
targ="_blank";
}
if (ad==3) {
txt="ALPHA NOVA"; 
url="http://www.alphanova.co.uk";
alt="ALPHA NOVA";
banner="images/banners/alpha_nova.gif";
targ="_blank";
}
if (ad==4) {
txt="AXIOM CONSULTING"; 
url="http://www.axiomc.com";
alt="AXIOM CONSULTING";
banner="images/banners/axiom.gif";
targ="_blank";
}
if (ad==5) {
txt="SSM Computer Systems"; 
url="";
alt="SSM Computer Systems";
banner="images/banners/ylatis.gif";
targ="_blank";
}
if (ad==6) {
txt="GCC Computers Ltd"; 
url="";
alt="GCC Computers Ltd";
banner="images/banners/gcc.gif";
targ="_blank";
}
if (ad==7) {
txt="LK GlobalSoft Ltd"; 
url="";
alt="LK GlobalSoft Ltd";
banner="images/banners/globalsoft.gif";
targ="_blank";
}

document.write('<a href=\"' + url + '\" target=\"' + targ +'\">');
document.write('<img src=\"' + banner + '\" alt=\"' + alt + '\" border=0></a>')