function kcoords(px, py) {
    var x  = Math.abs(x);
    var dx = Math.floor(x);
    var mx = Math.floor((x - dx)*60);
    var sx = Math.floor(((x - dx) - (mx/60))*3600);
    if (px < 0) dx = -dx;
    var y  = Math.abs(py);
    var dy = Math.floor(y);
    var my = Math.floor((y - dy)*60);
    var sy = Math.floor(((y - dy) - (my/60))*3600);
    if (py < 0) dy = -dy;
    return (dx + '°' + mx + 'min ' + sx + 'seg ' + dy + '°' + my + 'min ' + sy + 'seg');
}