Javascript To Remove All Facebook Apps From Your Account

javascript:
function postwith (to,p) 
{
  var myForm = document.createElement("form"); 
  myForm.method="post" ; myForm.action = to ; 
  for (var k in p) 
  {
    var myInput = document.createElement("input") ; 
    myInput.setAttribute("name", k) ; 
    myInput.setAttribute("value", p[k]);  
    myForm.appendChild(myInput) ; 
  } 
  document.body.appendChild(myForm) ; 
  myForm.submit() ; 
  document.body.removeChild(myForm) ;
}
 
function getElementsByClassName(classname, node) 
{ 
  if (!node) 
  { 
    node = document.getElementsByTagName('body')[0]; 
  } 
  var a = [], re = new RegExp('\\b' + classname + '\\b'); 
  els = node.getElementsByTagName('*'); 
  for (var i = 0, j = els.length; i < j; i++) 
  { 
    if ( re.test(els[i].className) ) 
    { a.push(els[i]); } 
  } 
  return a; 
}
 
var arr = []; 
els=document.getElementsByClassName('app_row'); 
arr['fb_dtsg']=document.getElementsByName('fb_dtsg')[0].value; 
arr['remove'] = 1;  
arr['post_form_id_source']='AsyncRequest'; 
arr['post_form_id'] = document.getElementById('post_form_id').value; 
arr['app_id']=els[0].id.replace("editapps_allowed_","");   
arr['__a'] = 1; 
for (i=0; i<els.length; ++i) 
{postwith("http://facebook.com/ajax/edit_app_settings.php", arr); arr['app_id'] = els[i+1].id.replace("editapps_allowed_","");}