auto scroll back

static/script.js

@@ -87,13 +87,16 @@ function dropDownHide() {
       }
     }
 }
-
-// Close the dropdown menu if the user clicks outside of it
-window.onclick = function(event) {
-  if (!event.target.matches('.dropbtn')) {
-    dropDownHide();
-  }
-}
+function get_cookie(name) {                                                                                              
+     var nameEQ = name+"=";                                                        
+     var ca = document.cookie.split(';');                                          
+     for(var i=0;i < ca.length;i++) {                                              
+         var c = ca[i];                                                              
+         while (c.charAt(0)==' ') c = c.substring(1,c.length);                       
+        if (c.indexOf(nameEQ) == 0) { return c.substring(nameEQ.length,c.length); } 
+    }                                                                             
+    return null                                                                   
+}             
 
 function sortMarkdown(boughtOrder=false) {
   var divs = document.getElementsByClassName("entry");
@@ -124,3 +127,19 @@ function orderStringSorter(a,b) {
   return 0;
 }
 
+function scrollBack() {
+  var position=parseInt(get_cookie("position"));                                                                         
+  window.scrollTo(0,position);   
+}
+
+// Close the dropdown menu if the user clicks outside of it
+window.onclick = function(event) {
+  if (!event.target.matches('.dropbtn')) {
+    dropDownHide();
+  }
+}
+document.onscroll = function(event) {
+  document.cookie = "position=" + window.scrollY + "; path=" + window.location.pathname;
+}
+window.onload = scrollBack;
+

templates/show_shop.html

@@ -6,7 +6,7 @@
      <input type=hidden name=shopid value="{{ shopid }}" >
      <div id="entry_loop">
   {% for entry in entries %}
-     <div class=entry><input class="submit tickbox {{ entry.extra_class }}" type=submit name=item{{ entry.row }} value="{{ entry.icon }}" ><span class=md_entry>{{ entry.text|safe }}</span><br></div>
+     <div class=entry><input class="submit tickbox {{ entry.extra_class }}" type=submit name=item{{ entry.row }} id=itemId{{ entry.row }} value="{{ entry.icon }}" ><span class=md_entry>{{ entry.text|safe }}</span><br></div>
   {% endfor %}
      </div>
      </form>