var xmlHttpcity;
 var citypinyin="";
 judgecity();

function getipinfo(){
    if (window.ActiveXObject) {
        xmlHttpcity = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest) {
        xmlHttpcity = new XMLHttpRequest();
    }
    xmlHttpcity.open("GET","/ip.php",false);
    xmlHttpcity.send(null);	
	citypinyin = xmlHttpcity.responseText;	
}

function judgecity(){
	citypinyin="";
	citypinyin=getCookie("citypinyin");
	if(citypinyin==null||citypinyin=="")
	{
		getipinfo();
	}
	if(citypinyin!=null && citypinyin!="" && citypinyin!="quanguo")
		window.location="/"+citypinyin+"/";
}