Linked prim movement

Hi
I have a script to make a linked set go up & down when i touch a switch using the formula below

listen(integer channel, string name, key id, string msg)
{if (msg =="953" pos= llGetPos();
{ for (i=1;i<6;i++)

If i remove the ++ from the equation it gives me the effect i want of the prims moving all the time but i need it to stop when i touch the switch again. I have tried the ResetScript();
in several places with in script to no effect. could any one help either here or in world

Thanks Doc

Try moving the prims using a timer event, the problem is that the LSL script can only be doing one thing at a time, so when its in the continous loop it can't take a break to try process other things going around, such as queue'd events.

What you would need to do is instead use a timer event for your loop to leave a bit of processing time for other things that may come up.