public function setVariable(Ezer_AssignStepToAttribute $to, $value)
 {
     $variable = $to->getVariable();
     if (!isset($this->variables[$variable])) {
         return false;
     }
     return $this->setValue($this->variables[$variable], $to, $value);
 }
 public function setVariable(Ezer_AssignStepToAttribute $to, $value)
 {
     $variable = $to->getVariable();
     if (!isset($this->variables[$variable])) {
         return false;
     }
     //		echo "before set\n";
     //		var_dump($this->variables[$variable]);
     $ret = $this->setValue($this->variables[$variable], $to, $value);
     //		echo "after set\n";
     //		var_dump($this->variables[$variable]);
     return $ret;
 }