function printPage(id, ln){
    if(ln==1){
        url     = 'print.php?id_catalog='+id;
    } else {
        url     = '../print.php?id_catalog='+id;
    }
    opcje   = "toolbar=no,directories=no,menubar=yes,scrollbars=yes,width=600,height=400";
    window.open(url, '', opcje);
}

function switchTable(){ 

    element=document.getElementById('id_type').options[document.getElementById('id_type').selectedIndex]; 
    id_type=element.value;      
    if(id_type==1){ 
        document.getElementById('formFile').style.display = "block";
        document.getElementById('formVideo').style.display = "none"; 
    } else { 
        document.getElementById('formVideo').style.display = "block";
        document.getElementById('formFile').style.display = "none"; 
    } 

}