var alreadyrunflag=0 //flag to indicate whether target function has already been run

if (document.addEventListener)
  document.addEventListener("DOMContentLoaded", function(){alreadyrunflag=1; ShowAdCRS()}, false)
else if (document.all && !window.opera){
  document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>')
  var contentloadtag=document.getElementById("contentloadtag")
  contentloadtag.onreadystatechange=function(){
    if (this.readyState=="complete"){
      alreadyrunflag=1
      ShowAdCRS()
    }
  }
}

window.onload=function(){
  setTimeout("if (!alreadyrunflag) ShowAdCRS()", 0)
}

function $import(src){
  var scriptElem = document.createElement('script');
  scriptElem.setAttribute('src',src);
  scriptElem.setAttribute('type','text/javascript');
  document.getElementsByTagName('head')[0].appendChild(scriptElem);
}

// import with a random query parameter to avoid caching
function $importNoCache(src){
  var ms = new Date().getTime().toString();
  var seed = "&" + ms; 
  $import(src + seed);
}