Pagination and passing argument to the function

[eluser]nahalem[/eluser]
I'm using many various values of that option. First link of pagination is active, when I'm clicking second or third first is active and it's showing same data all the time...
Link when I mouseover on the seconf link is

polimaxCategories/1/4 - second link
polimaxCategories/1/8 - third link

first is $arg value second pagination page...