collector name based on node id

Hello,

      i'm trying to get collector name based on node id with the following script.

 set node(id) '
301388
210613
254295
151336
'      
foreach index [array names node] {
   puts '$node($index)'
   *createmark nodes 1 $node($index)  
   *findmark nodes 1 1 1 elems 0 2
   set elems [hm_getmark elems 2]
   foreach elemid $elems {puts [hm_getentityvalue elems $elemid collector.name 1 -byid]}
}

issue: script outs collector name corresponding to last node (151336) only please help me.