function resizePicture(pictureUrl){
  var picture = new Image();
  picture.src = pictureUrl;
  picture.complete ? _resizeLandscapeOrPortrait(picture) : window.setTimeout('resizePicture("' + pictureUrl + '")', 1000);
}

function _resizeLandscapeOrPortrait(picture){
  picture.width > picture.height ? _resizeLandscapeTailPicture() : _resizePortraitTailPicture()
}
function _resizeLandscapeTailPicture(){
  $('content').setStyle({ width: '960px' });
  $('tail-picture').setAttribute('width', 600);
  $('member-details').show();
}
function _resizePortraitTailPicture(){
  $('tail-picture').setAttribute('width', 450);
  $('member-details').show();
}