// meni pozadi zadaneho elementu (<tr>) na img/none
function row_over( kdo, jak ) {
    if( jak ) kdo.style.backgroundImage='url("../img/bck_over.gif")';
    else kdo.style.backgroundImage='none';
}

// meni pozadi zadaneho elementu (<input>) na img/none
function input_focus( kdo, jak ) {
    if( jak ) kdo.style.backgroundColor='#FFFFCC';
    else kdo.style.backgroundColor='transparent';
}

function switchUl(id){
    if(document.getElementById){
        a=document.getElementById(id);
        a.style.display=(a.style.display!="none")?"none":"block";
    }
    return false;
}

function sendInvoice( id, mail ) {
    var mail = prompt( "Invoice " + id + ". Enter email:", mail );
    if ( mail == null ) return false;
    if ( mail != "" )
        $.post( appHome + "orders/send", { id:id, mail:mail }, function( data ) {
            if ( data == 'OK' ) alert( "Email sent" );
            else alert( data );
        });
    else alert("Email must be entered");
    return false;
}