/************************************************
  
    Site Name: 
	Description: common script
	Version: 
	Author: 
	Last Modified :

************************************************/
// Google Analytics

  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-22345345-2']);
  _gaq.push(['_trackPageview']);

  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();

//ロールオーバー

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}


//ページの先頭へ、するする〜っと

function backToTop() {
var x1 = x2 = x3 = 0;
var y1 = y2 = y3 = 0;
if (document.documentElement) {
x1 = document.documentElement.scrollLeft || 0;
y1 = document.documentElement.scrollTop || 0;
}
if (document.body) {
x2 = document.body.scrollLeft || 0;
y2 = document.body.scrollTop || 0;
}
x3 = window.scrollX || 0;
y3 = window.scrollY || 0;
var x = Math.max(x1, Math.max(x2, x3));
var y = Math.max(y1, Math.max(y2, y3));
window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
if (x > 0 || y > 0) {
window.setTimeout("backToTop()", 130);
}
}

//***********************************
//個数UP・DOWNボタン処理
//***********************************
function f_change_num2(select, pType, pMinNum, pStockNum) {
	if( select.value.match(/[^0-9]/)){ select.value = pMinNum; return; }
	wNum = parseInt(select.value);
	if (pType == "0" && wNum > pMinNum) {
		select.value = String(wNum-1);
	}
	if (pType == "1") {
		if (pStockNum) {
			if (wNum >= pStockNum) return;
		}
		select.value = String(wNum+1);
	}
}