//for 91 banner
var x = Math.random()*10;
var y = Math.round(x);
var txt ="";
while(y>=3){
y = y-3;
}
switch(y){
case 0:
txt += '';
document.write(txt);
break;
case 1:
txt += '';
document.write(txt);
break;
case 2:
txt += '';
document.write(txt);
break;
default:
document.write("error");
}
';
document.write(txt);
break;
case 2:
txt += '
';
document.write(txt);
break;
default:
document.write("error");
}