diff --git a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
index c34aecc0ad..d501979081 100644
--- a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
@@ -100,6 +100,17 @@ namespace OpenSim.Region.ScriptEngine.Shared
 
             #region Overriders
 
+            public static implicit operator Boolean(Vector3 vec)
+            {
+                if (vec.x != 0)
+                    return true;
+                if (vec.y != 0)
+                    return true;
+                if (vec.z != 0)
+                    return true;
+                return false;
+            }
+
             public override string ToString()
             {
                 string s = String.Format(Culture.FormatProvider, "<{0:0.000000}, {1:0.000000}, {2:0.000000}>", x, y, z);
@@ -397,6 +408,18 @@ namespace OpenSim.Region.ScriptEngine.Shared
             #endregion
 
             #region Overriders
+            public static implicit operator Boolean(Quaternion q)
+            {
+                if (q.x != 0)
+                    return true;
+                if (q.y != 0)
+                    return true;
+                if (q.z != 0)
+                    return true;
+                if (q.s != 1.0f)
+                    return true;
+                return false;
+            }
 
             public override int GetHashCode()
             {
@@ -721,6 +744,11 @@ namespace OpenSim.Region.ScriptEngine.Shared
                 Data = tmp;
             }
 
+            public static implicit operator Boolean(list l)
+            {
+                return l.Length != 0;
+            }
+
             public static list operator +(list a, LSLString s)
             {
                 a.ExtendAndAdd(s);