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;
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      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
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  x3 = window.scrollX || 0;
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  var x = Math.max(x1, Math.max(x2, x3));
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      window.setTimeout("backToTop()", 25);
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}

function openRegalInfo(loc) {
      var windowname ="openwindow";
      var Window = window.open(loc, windowname,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=720,height=600');
}

function openPrintCoupon() {
      var windowname ="openwindow";
      var Window = window.open('coupon.html', windowname,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=720,height=640');
}

function PrintPage(){
	if(document.getElementById || document.layers){
		window.print();
	}
}

$(document).ready(function(){
	var today = new Date();
	var thisMonth = today.getMonth() + 1;
	
	if(thisMonth >= 3 && thisMonth <= 5){
		$('h2.seasonImg img').attr({
			src: "http://www.isejin.co.jp/szechuwan/tenten/_common/images/spring.png",
			alt: "春の最新情報"
		});
	} else if(thisMonth >= 6 && thisMonth <= 8){
		$('h2.seasonImg img').attr({
			src: "http://www.isejin.co.jp/szechuwan/tenten/_common/images/summer.png",
			alt: "夏の最新情報"
		});
	} else if(thisMonth >= 9 && thisMonth <= 11){
		$('h2.seasonImg img').attr({
			src: "http://www.isejin.co.jp/szechuwan/tenten/_common/images/autumn.png",
			alt: "秋の最新情報"
		});
	} else {
		$('h2.seasonImg img').attr({
			src: "http://www.isejin.co.jp/szechuwan/tenten/_common/images/winter.png",
			alt: "冬の最新情報"
		});
	}
});