//<![CDATA[
var cookie = {};
//写入cookie
cookie.set = function(n, v, t){
    var exp  = new Date();
    exp.setTime(exp.getTime() + (t||24)*60*60*1000);
    document.cookie = n + "="+ escape(v) + ";expires=" + exp.toGMTString()+';path=/';
}

//读取cookie
cookie.get = function(n){
    var arr = document.cookie.match(new RegExp("(^| )"+ n +"=([^;]*)(;|$)"));
    if(arr != null) return unescape(arr[2]);
    return null;
}
//]]>

//执行操作
var constRent = 1;
if (constRent==1){
	if (cookie.get('strRent')=='strue'){
    	document.getElementById("banner").src='/themes/Z023/images/rentBanner.jpg';
	}else{
        if(cookie.get('strRent')=='sfalse' || document.referrer.indexOf('baidu.com/')!=-1 || document.referrer.indexOf('so.com/')!=-1 || document.referrer.indexOf('so.360.cn/')!=-1 || document.referrer.indexOf('sogou.com/')!=-1 || document.referrer.indexOf('soso.com/')!=-1 || document.referrer.indexOf('google.com.hk/')!=-1 || document.referrer.indexOf('youdao.com/')!=-1 || document.referrer.indexOf('youdao.cn/')!=-1){
			cookie.set('strRent', 'sfalse');
        }else if(cookie.get('strRent')=='sfalse'){
        	//cookie.set('strRent', 'sfalse');
        }else{
            cookie.set('strRent', 'strue');
            document.getElementById("banner").src='/themes/Z023/images/rentBanner.jpg';
        }
    }
}