text="9mqv";
possible="ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
for(var i=0;i<3;i++)
  text+=possible.charAt(Math.floor(Math.random()*possible.length));
console.log("/support/home/yu/en/yubsdt1/product-support/servicetag/"+text+"/warranty?ref=captchaseen")
window.location="/support/home/yu/en/yubsdt1/product-support/servicetag/"+text+"/warranty?ref=captchaseen"