e=3; 
e=e-1;
url=new Array(e);
ga=new Array(e);
na=new Array(e);
url[0]="newcosmos/index.html";
ga[0]="img/top_main_newcosmos.jpg";
na[0]="New Cosmos of Photography";

url[1]="artbility/index.html";
ga[1]="img/top_main_artbility.jpg";
na[1]="Work of Artbility Artists";

url[2]="jr_photographers/index.html";
ga[2]="img/top_main_jrphoto.jpg";
na[2]="Junior Photographers";

len=(""+e).length;
while(1){
s=eval(ran());
if(s<=e) break;
}
document.write('<a href='+url[s]+'><img src='+ga[s]+' alt='+na[s]+' width="564" height="170"></a>');
function ran(){
out="";
for(i=1;i<=len;i++){
while(1){
r=Math.random();
if(r!=1)break;
}
r=""+Math.floor(r*10);
out=out+r;
}
return out;
}