Swapping elements in jQuery

jquery.swap.js

function swapContainers (name1, name2) {
  var btn1 = $(".button-"+name1)[0]
  var cont1 = $("#"+name1)[0]
  var btn2 = $(".button-"+name2)[0]
  var cont2 = $("#"+name2)[0]
  var btn1CN = btn1.className
  btn1.className = btn2.className.replace(name2, name1)
  btn2.className = btn1CN.replace(name1, name2)
  var cont1CN = cont1.className
  cont1.className = cont2.className
  cont2.className = cont1CN
  var btn1Before = $("<i class='hidden'>").insertBefore(btn1)
  var btn2Before = $("<i class='hidden'>").insertBefore(btn2)
  $(btn2Before).after(btn1).remove()
  $(btn1Before).after(btn2).remove()
  var cont1Parent = cont1.parentNode
  $(cont1).prependTo(cont2.parentNode)
  $(cont2).prependTo(cont1Parent)
  $(btn1).click()
}