function writeCookie(name, value, expires, path, domain, secure){
	document.cookie = name + '=' + escape(value) +
		((expires) ? '; expires=' + expires.toGMTString() : '') +
		((path) ? '; path=' + path : '') +
		((domain) ? '; domain=' + domain : '') +
		((secure) ? '; secure' : '')
} 

function readCookie(name) {
    var Wname = name + "=";
    var Wlen = Wname.length;
    var Clen = document.cookie.length;
    var CutCookie = document.cookie;
    if(CutCookie.indexOf(Wname) != -1){
        CutCookie = CutCookie.substring(CutCookie.indexOf(Wname)+Wlen, CutCookie.length);
        if(CutCookie.indexOf(';') != -1){
            var Idx = CutCookie.indexOf(';');
        }
        else{Idx = CutCookie.length}
        return CutCookie.substring(0, Idx);
    }
    else{
        return null;
    }    
}

var mySm_NowChoice = readCookie('mySm_NowChoice');
if(mySm_NowChoice == null){
tmp = !defoultChoice;
	mySm_NowChoice = tmp.toString();;
}