function listview_sort(id,field)
	{
	  action = new TAction(id,'sort');
	  action.addParam('key',TWidget.proxies.get(id).store.masterKey);
	  action.addParam('field',field);
	  action.submit();
	  return false;
	}
	
function combobox_selected(id)
	{
		var e=TWidget.getElement(id+':option');
		var p=TWidget.proxies.get(id);
		if(p && e)
			p.callAction('select',e.value);
			
	}