diff -u larswm-7.5.3/dat.h 10-druuna/dat.h
--- larswm-7.5.3/dat.h	2004-07-15 21:00:25.000000000 +0200
+++ 10-druuna/dat.h	2008-08-30 01:31:23.000000000 +0200
@@ -310,6 +310,9 @@
 
   KeySym application_key[MAXAPPS];
   unsigned long application_mod[MAXAPPS];
+
+  KeySym toggle_floatclass_key;
+  unsigned long toggle_floatclass_mod;
 };
 
 /* main.c */
diff -u larswm-7.5.3/keys.c 10-druuna/keys.c
--- larswm-7.5.3/keys.c	2004-06-22 01:30:29.000000000 +0200
+++ 10-druuna/keys.c	2008-08-30 02:07:02.000000000 +0200
@@ -245,6 +245,11 @@
 	  XGrabKey (dpy, XKeysymToKeycode (dpy, prefs.application_key[y]),
 		    prefs.application_mod[y], c->parent, True, GrabModeAsync,
 		    GrabModeAsync);
+
+      if (prefs.toggle_floatclass_key)
+        XGrabKey (dpy, XKeysymToKeycode (dpy, prefs.toggle_floatclass_key),
+                 prefs.toggle_floatclass_mod, c->parent, True, GrabModeAsync,
+		 GrabModeAsync);
     }
   else
     {
@@ -309,6 +314,12 @@
 	      XGrabKey (dpy, XKeysymToKeycode (dpy, prefs.application_key[y]),
 			prefs.application_mod[y], screens[i].root, True,
 			GrabModeAsync, GrabModeAsync);
+			
+	  if (prefs.toggle_floatclass_key)
+            XGrabKey (dpy, XKeysymToKeycode (dpy, prefs.toggle_floatclass_key),
+                     prefs.toggle_floatclass_mod, screens[i].root, True, GrabModeAsync,
+		     GrabModeAsync);
+
 	}
     }
 }
@@ -411,6 +422,8 @@
     unhide_last (s);
   else if (k == prefs.close_key && m == prefs.close_mod)
     wmdelete (current, 0);
+  else if (k == prefs.toggle_floatclass_key && m == prefs.toggle_floatclass_mod)
+   toggle_isfloat (current);
   else
     {
       int i;
diff -u larswm-7.5.3/prefs.c 10-druuna/prefs.c
--- larswm-7.5.3/prefs.c	2008-08-30 01:46:00.000000000 +0200
+++ 10-druuna/prefs.c	2008-08-30 01:53:54.000000000 +0200
@@ -183,6 +183,9 @@
   prefs.close_key = XK_w;
   prefs.close_mod = CLOSE_MOD;
 
+  prefs.toggle_floatclass_key = XK_d;
+  prefs.toggle_floatclass_mod = Mod1Mask,
+
   /* provide defaults for up to 12 virtual desktops */
   prefs.goto_desktop_key[0] = XK_F1;
   prefs.goto_desktop_mod[0] = DEFAULT_MOD;
@@ -1241,5 +1244,11 @@
   if (XrmGetResource (db, "larswm.close_mod", "Larswm.Close_mod", &vt, &v))
     prefs.close_mod = get_mod (v.addr);
 
+  if (XrmGetResource (db, "larswm.toggle_floatclass_key", "Larswm.Toggle_Floatclass_key", &vt, &v))
+    prefs.toggle_floatclass_key = XStringToKeysym (v.addr);
+
+  if (XrmGetResource (db, "larswm.toggle_floatclass_mod", "Larswm.Toggle_Floatclass_mod", &vt, &v))
+    prefs.toggle_floatclass_mod = get_mod (v.addr);
+
   validate_prefs ();
 }