function get_cookie(c_name) {
  if (document.cookie.length>0)
  {
    var c_start=document.cookie.indexOf(c_name+"=");
    if (c_start != -1)
    { 
      c_start=c_start + c_name.length+1; 
      var c_end=document.cookie.indexOf(";",c_start);
      if (c_end==-1) 
        c_end=document.cookie.length;
      var cookie = unescape(document.cookie.substring(c_start,c_end));
      return cookie;
    }
  }
  return null;
}


function iframe_popout() {
  var facebook_store = get_cookie('facebook_store');
  if ((top.location != location) && ((facebook_store == 1) || (document.referrer.search('embed') != -1)))
  { 
    top.location.href = document.location.href; 
  }
}

function pass_referer(referer) {
  var form = document.forms[0];
  if (typeof form != 'undefined') {
    var str = "<input name='ss_embed_referer' type='hidden' value='"+referer+"'>";
    var newdiv = document.createElement("div");
    newdiv.innerHTML = str;
    form.appendChild(newdiv);
  } else {
    for (i in document.links) {
      if (typeof document.links[i] == "object") {
        if (document.links[i].href.search("storeid=") != -1) {
          document.links[i].href = document.links[i].href + ("&ss_embed_referer="+referer);
        }
      }
    }
  }
}

function facebook_appendix() {
  window.onload = facebook_appendix_in;
}

function facebook_appendix_in() {
  for (i in document.forms) {
    if (typeof document.forms[i] == "object") {          
      var str = "<input name='facebook_store' type='hidden' value=1>";
      var newdiv = document.createElement("div");
      newdiv.innerHTML = str;
      document.forms[i].appendChild(newdiv);
    }
  }
  
  for (i in document.links) {
    if (typeof document.links[i] == "object") {
      if (document.links[i].href.search("storeid=") != -1) {
        document.links[i].href = document.links[i].href + "&facebook_store=1";
      }
    }
  }
}