$(function(){
  initHeaderImage();
});

function initHeaderImage(){
  var editable = $('#rightcolumn').attr('contentEditable');
  if( editable == 'true' || editable == true || editable == 1){
    return;
  }
  var rnd = Math.floor(Math.random()*12) + 1;
  var src = "/My Images/Header/H"+rnd+".jpg";
  $('div#ig-logo').append('<img src="'+src+'" alt="" />');
}