Improve ajax for dynamic load of snippets

Source/assets/js/functions.js

@@ -17,7 +17,7 @@ function ajaxresponse(){
         if(newFilter){
             newFilter=false;
             ajaxPut.innerHTML = conexion.responseText; //Pondra todo lo devuelto por "file" (Que sera un php que de //echos dependiendo de lo enviado) en un div
-        }else{
+        }else{  
             if($("#end").length == 0)
                 ajaxPut.innerHTML = ajaxPut.innerHTML+conexion.responseText;
         }
@@ -29,7 +29,9 @@ function reHightlight(){
     var codebox = document.getElementsByClassName("toHightlight");
     for(var i=0;i<codebox.length;++i){
         hljs.highlightBlock(codebox[i]);
-        codebox.classList.remove('toHightlight');
+    }
+    for(var i=0;i<codebox.length;++i){
+        codebox[i].classList.remove('toHightlight');
     }
 }
 
@@ -101,13 +103,6 @@ function borrarCookie(clave){
     crearCookie(clave,"",-1);
 }
 
-function desloguearse(){
-    borrarCookie("logueado");
-    borrarCookie("usuario");
-    borrarCookie("token");
-    location.reload(true);
-}
-
 function unselectAll() {
     var checkboxes = document.getElementsByClassName("codeFilterCheckBoxInput");
     var i;
@@ -145,10 +140,10 @@ function resetFilter(){
     resetOffset();
 }
 
-resetOffset();
+o=1;
 
 $(window).scroll(function () {
-    if ($(window).scrollTop() >= $(document).height() - $(window).height() - 10) {
+    if (Math.ceil($(window).scrollTop() + $(window).height())== Math.ceil($(document).height())) {
         getAjax();
     }
  });