function addGetParam() {
  if(document.getElementsByTagName) {
    var from=0;                                             //inside
    if(document.URL.indexOf("fujitsu.co.jp")==-1) from = 1; //outside

    var alink = document.getElementsByTagName("a");
    for(var i=0; i < alink.length; i++) {
      if(alink[i].getAttribute("href").match("https://f.msgs.jp/webapp/form/"))
      {
        alink[i].setAttribute("href",alink[i].getAttribute("href") + "?from=" + from);
      }
    }
  }
}
if(window.addEventListener) {
  window.addEventListener("load", addGetParam, false);
}
else if(window.attachEvent) {
  window.attachEvent("onload", addGetParam);
}