function popWindow( url, width, height, windowName )
{
    //get center coords
    var left = (screen.width - width) / 2;
    var top = (screen.height - height) / 2;
    
    win=window.open(url, windowName, 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
}
function popScrollingWindow(url, width, height, windowName)
{
    //get center coords
    var left = (screen.width - width) / 2;
    var top = (screen.height - height) / 2;
    
    win=window.open(url, windowName, 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
}
function openWindow(url)
{
    var rand = "_blank";
    win=window.open(url,rand,"directories=yes,location=yes,menubar=yes,scrollbars=yes,status=yes,toolbar=yes,resizable=yes");
}

function popTrailer()
{
    popWindow("trailer/trailer.html",700,480,"trailer");
}

function popMooseGame()
{
    popWindow("bb-grazing.html",640,480,"moose_game");
}

function popSalmonGame()
{
    popWindow("salmonrun.html",640,480,"salmon_game");
}

function popTerms()
{
    popScrollingWindow("terms.html",486,450,"terms");
}
function popSong()
{
    popWindow("audio.html",200,300,"audio");
}