diff --git a/Contrib/InstallOptions/InstallerOptions.cpp b/Contrib/InstallOptions/InstallerOptions.cpp
index 2f548e78..9da8b818 100644
--- a/Contrib/InstallOptions/InstallerOptions.cpp
+++ b/Contrib/InstallOptions/InstallerOptions.cpp
@@ -6,6 +6,7 @@
  *  highly modified by justin frankel to go in as dll, subclass, be sexy, and whatnot.
  *
  *  key changes
+ *   - jf> updated with new exdll.h
  *   - no longer need parentwnd ini writing shit
  *   - to call now, use:
  *        Push $TEMP\inst.ini
@@ -72,49 +73,7 @@
 #include <commdlg.h>
 #include "resource.h"
 
-typedef struct _stack_t {
-  struct _stack_t *next;
-  char text[1]; // this should be the length of string_size
-} stack_t;
-
-int popstring(char *str); // 0 on success, 1 on empty stack
-void pushstring(char *str);
-
-enum
-{
-INST_0,         // $0
-INST_1,         // $1
-INST_2,         // $2
-INST_3,         // $3
-INST_4,         // $4
-INST_5,         // $5
-INST_6,         // $6
-INST_7,         // $7
-INST_8,         // $8
-INST_9,         // $9
-INST_R0,        // $R0
-INST_R1,        // $R1
-INST_R2,        // $R2
-INST_R3,        // $R3
-INST_R4,        // $R4
-INST_R5,        // $R5
-INST_R6,        // $R6
-INST_R7,        // $R7
-INST_R8,        // $R8
-INST_R9,        // $R9
-INST_CMDLINE,   // $CMDLINE
-INST_INSTDIR,   // $INSTDIR
-INST_OUTDIR,    // $OUTDIR
-INST_EXEDIR,    // $EXEDIR
-__INST_LAST
-};
-
-char *getuservariable(int varnum);
-
-
-int g_stringsize;
-stack_t **g_stacktop;
-char *g_variables;
+#include "../exdll/exdll.h"
 
 #define strcpy(x,y) lstrcpy(x,y)
 #define strncpy(x,y,z) lstrcpyn(x,y,z)
@@ -737,9 +696,7 @@ extern "C" void __declspec(dllexport) dialog(HWND hwndParent, int string_size,
                                       char *variables, stack_t **stacktop)
 {
   hMainWindow=hwndParent;
-  g_stringsize=string_size;
-  g_stacktop=stacktop;
-  g_variables=variables;
+  EXDLL_INIT();
 
   int nIdx;
   UINT nAddMsg;
@@ -1067,34 +1024,6 @@ extern "C" BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call
 }
 
 
-// utility functions (not required but often useful)
-int popstring(char *str)
-{
-  stack_t *th;
-  if (!g_stacktop || !*g_stacktop) return 1;
-  th=(*g_stacktop);
-  if (str) lstrcpy(str,th->text);
-  *g_stacktop = th->next;
-  GlobalFree((HGLOBAL)th);
-  return 0;
-}
-
-void pushstring(char *str)
-{
-  stack_t *th;
-  if (!g_stacktop) return;
-  th=(stack_t*)GlobalAlloc(GPTR,sizeof(stack_t)+g_stringsize);
-  lstrcpyn(th->text,str,g_stringsize);
-  th->next=*g_stacktop;
-  *g_stacktop=th;
-}
-
-char *getuservariable(int varnum)
-{
-  if (varnum < 0 || varnum >= __INST_LAST) return NULL;
-  return g_variables+varnum*g_stringsize;
-}
-
 int LookupToken(TableEntry* psTable_, char* pszToken_)
 {
   for (int i = 0; psTable_[i].pszName; i++)
diff --git a/Contrib/InstallOptions/io.dsp b/Contrib/InstallOptions/io.dsp
index e34deab5..c703fe59 100644
--- a/Contrib/InstallOptions/io.dsp
+++ b/Contrib/InstallOptions/io.dsp
@@ -100,6 +100,10 @@ SOURCE=.\InstallerOptions.cpp
 # PROP Default_Filter "h;hpp;hxx;hm;inl"
 # Begin Source File
 
+SOURCE=..\ExDLL\exdll.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\resource.h
 # End Source File
 # End Group