<!--
function getExpires(dd){
	var now = new Date();
	var expires = new Date(now.getTime()+24*60*60*1000*dd);
	return(expires.toGMTString());
}

function setCookie(key, value, limit){
	var cValue = key + "=" + escape(value) + "END;expires=" + getExpires(limit) + ";";
	document.cookie = cValue;
}
function getCookie(key){
	var cValue = document.cookie;
	var sIndex= cValue.indexOf(key,0);
	if(sIndex > -1){
		sIndex = cValue.indexOf("=", sIndex) + 1;
		eIndex = cValue.indexOf("END", sIndex);
		return unescape(cValue.substring(sIndex, eIndex));
	} else {
		return "";
	}
}

function readImage(){
	var value = getCookie("visitCnt");
	var cnt;
	if (value == "") {
		cnt = 1;
	}else{
		cnt = parseInt(value) + 1;
	}
	
	setCookie("visitCnt", cnt, 365);
	var imgsrc;
	var imgalt;
	var linkhref;
	switch (cnt % 2) {
	case 0:
		imgsrc = "img/topmainImage1.jpg";
		imgalt = "";
		linkhref = "product/index.html";
		break;
	case 1:
		imgsrc = "img/topmainImage2.jpg";
		imgalt = "";
		linkhref = "product/photo_frame/index.html";
		break;
	}
	document.write('<a href="' + linkhref + '"><img src="' + imgsrc + '" width="555" height="200" border="0" alt="' + imgalt+ '" /></a>');

}
//-->