/*
 * Access Heatmap Script
 * http://www.cuebs.co.jp/
 *
 * Copyright (c) CueBs Co., Ltd.
 */
window.document.onclick = function(event) {
	var offsetTrail = document.getElementById('access-heatmap');
	var offsetLeft = 0;
	var offsetTop = 0;
	while (offsetTrail) {
	offsetLeft += offsetTrail.offsetLeft;
	offsetTop += offsetTrail.offsetTop;
	offsetTrail = offsetTrail.offsetParent;
	}

	if (!event) var event=window.event;
	if (navigator.userAgent.indexOf("MSIE") != -1) {
        if (document.documentElement.scrollLeft == 0) {
            var xx = event.clientX + document.body.scrollLeft - offsetLeft;
        }else{
            var xx = event.clientX + document.documentElement.scrollLeft - offsetLeft;
        }
    }
    else{
        var xx =event.pageX + document.body.scrollLeft-offsetLeft;
    }
	if (navigator.userAgent.indexOf("MSIE") != -1) {
        if (document.documentElement.scrollTop == 0) {
            var yy = event.clientY + document.body.scrollTop - offsetTop;
        }else{
            var yy = event.clientY + document.documentElement.scrollTop - offsetTop;
        }
    }else{
        var yy =event.pageY + document.body.scrollTop-offsetTop;
    }

	var url = '<img src="http://access-heatmap.cuebs.co.jp/beacon.php?siteid=' + siteid + '&x=' + xx + '&y=' + yy + '" width="0" height="0">';
	if (document.getElementById) {
		var elem = document.getElementById("access-heatmap");
		if (elem != null && typeof elem.innerHTML == "string") {
			elem.innerHTML = "";
			elem.innerHTML = url;
		}
	}
}