var contract = search.findNode("workspace://SpacesStore/08d4c4cd-2322-4a70-a4e5-7701af6ae08e");
var workflowService = services.get("WorkflowService");
var workflows = workflowService.getWorkflowsForContent(contract.nodeRef, true);

for (var i = 0; i < workflows.size(); i++) {
	var tasksQuery = new Packages.org.alfresco.service.cmr.workflow.WorkflowTaskQuery();
	tasksQuery.setActive(true);
	tasksQuery.setTaskState(Packages.org.alfresco.service.cmr.workflow.WorkflowTaskState.IN_PROGRESS);
	tasksQuery.setProcessId(workflows.get(i).getId());
	tasksQuery.setTaskName(Packages.ru.citeck.ecos.model.ContractsWorkflowModel.TYPE_SELECT_SIGNER_TASK);
	var tasks = workflowService.queryTasks(tasksQuery, false);
}