function displayWindow(url, width, height) {
        var Win = window.open(url,'displayWindow','width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no' );
}
function oknoodmiany() {
        var Win = window.open('odmiany/odm_a.php',"displayWindow2",'width=800, height=620, resizable=0, scrollbars=yes, menubar=no' );
}