Your question is almost impossible to answer without setting up your scenario.
I suggest you use firebug or the html source to find out which control/object that produces the linebreak.
linebreak is mostly caused by <br>, <p> and <div> html tags
If the control you want on the same line is outside i.e a div tag then you need somehow to get the other object inside the div or make your own pager.
Hope it helps
Thomas