Plane Object as GUI - Lighting Issue

Hello,

I'm using planes and quads for backgrounds to my GUI panels within my actual scene. Because of this, the object is taking on lighting behaviours, which I do not want.

Is there away to tell the game object/shader to completely ignore lighting? Because right now, I'm using a directional lightly specifically for my GUIs, which I do not want.

I want to be able to use the absolute colour I have defined in the material shader.

If it helps, I have this shader that allows you to apply an absolute textures to a game object that doesn't take on any lighting (used for GUI too):

 Shader "GUI/Texture Only" {
 
 Properties {
     _Color ("Main Color", Color) = (.5,.5,.5,1)
     _MainTex ("Texture", 2D) = ""
 }
 
 SubShader {Pass {    // iPhone 3GS and later
     GLSLPROGRAM
     varying mediump vec2 uv;
     
     #ifdef VERTEX
     void main() {
         gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
         uv = gl_MultiTexCoord0.xy;
     }
     #endif
     
     #ifdef FRAGMENT
     uniform lowp sampler2D _MainTex;
     void main() {
         gl_FragColor = texture2D(_MainTex, uv);
     }
     #endif        
     ENDGLSL
 }}
 
 SubShader {Pass {    // pre-3GS devices, including the September 2009 8GB iPod touch
     SetTexture[_MainTex]
 }}
  
 }