code: function get_connections(phynode_id, phynode_getter, conn_hash){
  
  	    var retlist = new Array();
  
  	    // Fish in the connection ancestor hash for edges.
  	    var tmp_phynodes = phynode_getter(phynode_id);
  	    for( var si = 0; si < tmp_phynodes.length; si++ ){
  		var tshp = tmp_phynodes[si];
  		var tnid = phynode_id_to_node_id[tshp.id];
  		if( tnid && conn_hash[tnid] ){
  		    for( var anid in conn_hash[tnid] ){
  			var conn_index = conn_hash[tnid][anid];
  			var conn = connections[conn_index];
  			ll('get_conn: found: [' + conn_index +
  					 '] ' + anid + ' <=> ' + tnid +
  					 ' ... ' + conn);
  			retlist.push(conn);
  		    }
  		}
  	    }
  	    return retlist;
  	}
docs: General func.