function newPop(file) {

    mywindow=open('http://www.virusart.lv/pop.php?op=' + file, 'myname', 'resizable=yes,scrollbars=no,width=600,height=400');

    mywindow.location.href = 'http://www.virusart.lv/pop.php?op=' + file;

    if (mywindow.opener == null) mywindow.opener = self;

}