function isChineseSys()
{
	if ((typeof(navigator.systemLanguage)!="undefined") && (navigator.systemLanguage.indexOf("zh-") > -1))
		return true;

	if ((typeof(navigator.browserLanguage)!="undefined") && (navigator.browserLanguage.indexOf("zh-") > -1))
		return true;
		
	if ((typeof(navigator.userAgent)!="undefined") && (navigator.userAgent.indexOf("zh-") > -1))
		return true;

	if ((typeof(navigator.appVersion)!="undefined") && (navigator.appVersion.indexOf("zh-") > -1))
		return true;
		
	return false;
}

function divDisplay(divname, visible)
{
    var divD = document.getElementById(divname);
    if(visible)
    {
		divD.style.visibility = "hidden";
        divD.style.display = "block";
    }
    else
    {
		divD.style.visibility = "hidden";
        divD.style.display = "none";
     }
}