Object listen problem

Hello, I am trying to make a very simple script that listens to an object to decide what color it needs to be changed to. The reason I put in a listen event is so that i can put it in multiple prims and they will all change to the same color everytime I click one of the prims. I must be missing something very simple or something because when i click it doesnt change color at all. Any help would be great
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integer check = 0;
default
{
state_entry()
{
llListen(456,llGetObjectName(),NULL_KEY,"";
}

touch_start(integer total_number)
{
if (check == 0)
{
llSay(456,"1";
check = 1;
return;
}
if (check == 1)
{
llSay(456,"0";
check = 0;
return;
}
}
listen(integer channel, string name, key id, string message)
{
if (message == "1"
{
llSetColor(<1.0, 0.2, 0.8>,ALL_SIDES);
}
if (message == "0"
{
llSetColor(<0.2, 0.4, 1.0>,ALL_SIDES);
}
}
}

My guess is that you have some kind of misunderstanding in how the filter works:
llListen(456,llGetObjectName(),NULL_KEY,"";
With this filter all prims involved must have the same name, do they have the same name?

And, if I remember right, a prim can not hear what it is saying, so the prim you touch will not change color with this script

ahhh ok, youre right i dont know what I was thinking. I will go about it differently thank you for your help.

and if all the prims involved are in the same object you don't need to use listens, or even more than one script.... llSetLinkColor. there's a version or two on in the Portal library.