function openMRPlayerWithID(id) {

    var xSize = 450;
    var ySize = 310;

    var winOptions = 'dependent,resizable,height=' + ySize +',width=' + xSize;
    PlayerWin = window.open('mrplayer.aspx?id='+id,'MRPlayer',winOptions);
    PlayerWin.focus();

}

function openMRPlayerWithFile(file) {

    var xSize = 450;
    var ySize = 310;

    var winOptions = 'dependent,resizable,height=' + ySize +',width=' + xSize;
    PlayerWin = window.open('mrplayer.aspx?file='+file,'MRPlayer',winOptions);
    PlayerWin.focus();

}