diff --git a/init/rocket.ks b/init/rocket.ks
index 4438078..e6cc7e7 100644
--- a/init/rocket.ks
+++ b/init/rocket.ks
@@ -13,16 +13,6 @@ on AG9 {
   return true.
 }
 
-function launchButtonPressed {
-  run "/launch"(
-    targetApo:TEXT:ToNumber(),
-    gravTurnStart:TEXT:ToNumber(),
-    gravPitch:TEXT:ToNumber(),
-    initialPitch:TEXT:ToNumber(),
-    minimumPitch:TEXT:ToNumber()
-  ).
-}
-
 // Main UI.
 local iface is gui(250, 300).
 set iface:X to 200.
@@ -98,7 +88,15 @@ set row to makeRow(box).
 row:AddLabel("Gravity Turn Pitch").
 local gravPitch is row:AddTextField("75").
 
-set top:AddButton("Execute"):onClick to launchButtonPressed@.
+makeButton(top, "Execute", {
+    run "/launch"(
+    targetApo:TEXT:ToNumber(),
+    gravTurnStart:TEXT:ToNumber(),
+    gravPitch:TEXT:ToNumber(),
+    initialPitch:TEXT:ToNumber(),
+    minimumPitch:TEXT:ToNumber()
+  ).
+}).
 // End Launch Menu
 
 // Build conf menu
@@ -115,10 +113,10 @@ set row to makeRow(box).
 row:AddLabel("Max Stopping Time").
 local maxStopTime is row:AddTextField("2.0").
 
-set top:AddButton("Apply"):onClick to {
+makeButton(top, "Apply", {
   set STEERINGMANAGER:TORQUEEPSILONMAX to maxEpsilon:TEXT:ToNumber().
   set STEERINGMANAGER:MAXSTOPPINGTIME to maxStopTime:TEXT:ToNumber().
-}.
+}).
 // end conf menu
 
 // twr menu
@@ -129,7 +127,7 @@ set row to makeRow(top).
 row:AddLabel("Target TWR").
 local twrLock is row:AddTextField("1.6").
 
-set top:AddButton("Lock TWR"):onClick to {
+makeButton(top, "Lock TWR", {
   local done is false.
   on AG9 {
     set done to true.
@@ -140,13 +138,12 @@ set top:AddButton("Lock TWR"):onClick to {
   lock THROTTLE to ThrottleToTWR(tgt).
   wait until done.
   print "Throttle unlocked.".
-}.
+}).
 // end twr menu
 
 // node menu
 local top is stk:AddVLayout().
 panes:Add("node", top).
-local box is top:AddScrollBox().
 
 set row to makeRow(top).
 row:AddLabel("Node dV").
@@ -156,9 +153,7 @@ set row to makeRow(top).
 row:AddLabel("Node Burn Time").
 local nodeBT is row:AddLabel().
 
-set top:AddButton("Execute"):onClick to {
-  run "/execnode".
-}.
+makeButton(top, "Execute", { ExecNode(). }).
 // end node menu
 
 iface:show().
diff --git a/lib/node.ks b/lib/node.ks
new file mode 100644
index 0000000..55aec27
--- /dev/null
+++ b/lib/node.ks
@@ -0,0 +1,39 @@
+runoncepath("lib/navigation").
+runoncepath("lib/throttle").
+
+function ExecNode {
+  SAS off.
+  local t is BurnTime(NEXTNODE:DELTAV:MAG).
+
+  print "Adjusting heading".
+  lock STEERING to NEXTNODE:DELTAV.
+  wait until VAng(SHIP:FACING:FOREVECTOR, STEERINGMANAGER:TARGET:FOREVECTOR) <= 0.1.
+
+  print "Warping to node.".
+  KUNIVERSE:TIMEWARP:WarpTo(NEXTNODE:TIME - (t/2) - 5).
+  wait until NEXTNODE:ETA <= (t/2).
+
+  print "Executing burn.".
+  local dvMin is NEXTNODE:DELTAV:MAG.
+  lock THROTTLE to 1.0.
+
+  // Execute the burn, throttling down by half every time we're
+  // consuming more than 25% of our dV in one update.
+  local droppedOnce is false.
+  until NEXTNODE:DELTAV:MAG <= 0.25 or (dVMin < NEXTNODE:DELTAV:MAG and droppedOnce) {
+
+    if NEXTNODE:DELTAV:MAG > dVMin {
+      set droppedOnce to true.
+    } else {
+      set dvMin to NEXTNODE:DELTAV:MAG.
+      set droppedOnce to false.
+    }
+  
+    wait 0.01.
+  }
+
+  unlock THROTTLE.
+  unlock STEERING.
+  SAS on.
+  print "Node execution complete.".
+}
diff --git a/rocket/execnode.ks b/rocket/execnode.ks
deleted file mode 100644
index 2cd7dea..0000000
--- a/rocket/execnode.ks
+++ /dev/null
@@ -1,52 +0,0 @@
-runoncepath("lib/navigation").
-runoncepath("lib/throttle").
-
-SAS off.
-local t is BurnTime(NEXTNODE:DELTAV:MAG).
-
-print "Adjusting heading".
-lock STEERING to NEXTNODE:DELTAV.
-wait until VectorAngle(SHIP:FACING:FOREVECTOR, STEERINGMANAGER:TARGET:FOREVECTOR) <= 0.1.
-
-print "Warping to node.".
-KUNIVERSE:TIMEWARP:WarpTo(NEXTNODE:TIME - (t/2) - 5).
-wait until NEXTNODE:ETA <= (t/2).
-
-// todo: pid loop here or nah? overshoot would be tricky to deal with...
-print "Executing burn.".
-
-local dvMin is NEXTNODE:DELTAV:MAG.
-local throt is 1.0.
-lock THROTTLE to throt.
-
-// debug
-print "dVMin   = " + dvMin.
-print "dV = " + NEXTNODE:DELTAV:MAG.
-
-// Execute the burn, throttling down by half every time we're
-// consuming more than 25% of our dV in one update.
-local droppedOnce is false.
-until NEXTNODE:DELTAV:MAG <= 0.25 or (dVMin < NEXTNODE:DELTAV:MAG and droppedOnce) {
-  // debug
-  print "dVMin = " + dvMin.
-  print "dV = " + NEXTNODE:DELTAV:MAG.
-
-  if NEXTNODE:DELTAV:MAG > dVMin {
-    set droppedOnce to true.
-  } else {
-    set dvMin to NEXTNODE:DELTAV:MAG.
-    set droppedOnce to false.
-  }
-  
-  wait 0.01.
-}
-
-unlock THROTTLE.
-unlock STEERING.
-SAS on.
-print "Node execution complete.".
-
-// debug
-print "Final dVMin = " + dvMin.
-print "Final dV = " + NEXTNODE:DELTAV:MAG.
-