var addListener = function(elm, type, func) {
  if(! elm) { return false; }
  if(elm.addEventListener) {
    elm.addEventListener(type, func, false);
  } else if(elm.attachEvent) { 
    elm.attachEvent('on'+type, func);
  } else {
    return false;
  }
  return true;
};


function iFrame(){
	//var url = location.search.slice(1);
	//セッションID無かった時
	if (url.length==0){
	    var out = document.createElement('script'); 
	    out.src='http://www.global-websystem.net/wgcart/PIDGET.php'; 
		document.body.appendChild(out);
	}else{
		iFrame_url_set();
	}
}
function iFrame_url_set(){
	var element = document.getElementById("shopping"); 
	element.setAttribute("src", iFrame_url + '&' + url);
}

addListener(window, "load", iFrame);