function now_key(){
        myD       = new Date();
        myYear    = myD.getYear();
        myYear4   = (myYear < 2000) ? myYear+1900 : myYear;
        myMonth   = keta(myD.getMonth() + 1);
        myDate    = keta(myD.getDate());
        myHours   = keta(myD.getHours());
        myMinutes = keta(myD.getMinutes());
        mySeconds = keta(myD.getSeconds());
        date_time = myYear4+myMonth+myDate+"_"+myHours+myMinutes+mySeconds;
        return(date_time);
}
function keta(num){
        ret = (num<10) ? "0"+num : num+"";
        return(ret);
}
function addElementBox(box_id, page_access_key) {
	var t = document.getElementById('access_tag_b'+box_id);
	if(t){
		encode_url = encodeURIComponent(document.referrer);
		var element = document.createElement('script');
		element.setAttribute("src","http://lpo.ecbb.jp/lpo_js/access_log.php?box_id="+box_id+"&page_access_key="+page_access_key+"&referrer="+encode_url);

		var objBody = document.getElementsByTagName("body").item(0);
		objBody.appendChild(element);
	}
}

function addElementSite(site_id, page_access_key) {
	var t = document.getElementById('commission_tag_s'+site_id);
	if(t){
		encode_url = encodeURIComponent(document.referrer);
		var element = document.createElement('script');
		element.setAttribute("src","http://lpo.ecbb.jp/lpo_js/commission_log.php?site_id="+site_id+"&page_access_key="+page_access_key);

		var objBody = document.getElementsByTagName("body").item(0);
		objBody.appendChild(element);
	}
}