function printPage(id){
    url     = '/print.php?id_catalog='+id;
    opcje   = "toolbar=no,directories=no,menubar=yes,scrollbars=yes,width=700,height=400";
    window.open(url, '', opcje);
}

function displayStructure(module){
    if(module==2){                            
        if(document.getElementById('permission'+module).checked){
            document.getElementById('permissionStructureDiv').style.display='block';
        } else {
            document.getElementById('permissionStructureDiv').style.display='none';
        }
    }

}

function unselected(){                                   
    element = document.getElementById('parent').options[document.getElementById('parent').selectedIndex]; 
    if(element.value==""){
        alert("Nie posiadasz uprawnień do tego katalogu!!!");        
        document.getElementById('parent').selectedIndex="-1";
    }
}