url problem

i need to write program on perl that my browser go to link:
http://www.inetgiant.com/Relist.aspx?adId=2980497&email=admin171078@gmail.com

i write this code but browser go to different link:
http://www.inetgiant.com/LoginForm.aspx?returnUrl=L1JlbGlzdC5hc3B4P2FkSWQ9Mjk4MDQ5Nw==
how to solve this problem ?

#!/usr/bin/perl -w 
$link=0; 
$link=" http://www.inetgiant.com/Relist.aspx?adId=2980497&email=admin171078@gmail.com "; 
$link=substr($link,8) ; 
exec " start firefox  $link ";

Code (markup):