Index: code/q3_ui/keycodes.h
===================================================================
--- code/q3_ui/keycodes.h	(revision 155)
+++ code/q3_ui/keycodes.h	(working copy)
@@ -97,6 +97,9 @@
 	K_MOUSE3,
 	K_MOUSE4,
 	K_MOUSE5,
+        K_MOUSE6,
+        K_MOUSE7,
+        K_MOUSE8,
 
 	K_MWHEELDOWN,
 	K_MWHEELUP,
Index: code/unix/sdl_glimp.c
===================================================================
--- code/unix/sdl_glimp.c	(revision 155)
+++ code/unix/sdl_glimp.c	(working copy)
@@ -354,7 +354,17 @@
         } else if (e.button.button == 7)
         {
           b = 4; // K_MOUSE5
+        } else if (e.button.button == 8)
+        {
+          b = 5; // K_MOUSE6
+        } else if (e.button.button == 9)
+        {
+          b = 6; // K_MOUSE7
+        } else if (e.button.button == 10)
+        {
+          b = 7; // K_MOUSE8
         };
 
         Sys_QueEvent( t, SE_KEY, K_MOUSE1 + b, qtrue, 0, NULL );
@@ -385,6 +395,15 @@
         } else if (e.button.button == 7)
         {
           b = 4; // K_MOUSE5
+        } else if (e.button.button == 8)
+        {
+          b = 5; // K_MOUSE6
+        } else if (e.button.button == 9)
+        {
+          b = 6; // K_MOUSE7
+        } else if (e.button.button == 10)
+        {
+          b = 7; // K_MOUSE8
         };
         Sys_QueEvent( t, SE_KEY, K_MOUSE1 + b, qfalse, 0, NULL );
       }
===================================================================
--- code/ui/keycodes.h	(revision 155)
+++ code/ui/keycodes.h	(working copy)
@@ -97,6 +97,9 @@
 	K_MOUSE3,
 	K_MOUSE4,
 	K_MOUSE5,
+        K_MOUSE6,
+        K_MOUSE7,
+        K_MOUSE8,
 
 	K_MWHEELDOWN,
 	K_MWHEELUP,
Index: code/client/cl_keys.c
===================================================================
--- code/client/cl_keys.c	(revision 155)
+++ code/client/cl_keys.c	(working copy)
@@ -99,6 +99,9 @@
 	{"MOUSE3", K_MOUSE3},
 	{"MOUSE4", K_MOUSE4},
 	{"MOUSE5", K_MOUSE5},
+        {"MOUSE6", K_MOUSE6},
+        {"MOUSE7", K_MOUSE7},
+        {"MOUSE8", K_MOUSE8},
 
 	{"MWHEELUP",	K_MWHEELUP },
 	{"MWHEELDOWN",	K_MWHEELDOWN },