js设置ip屏蔽

<!--ip屏蔽-->

<div style="display:none"> 

  <script language="javascript" type="text/javascript" src="http://pv.sohu.com/cityjson?ie=utf-8"></script> 

</div>

<script>

var returnip = returnCitySN.cip; 

var cityname = returnCitySN.cname;	

if(cityname.indexOf( "广州市" ) >= 0 ){	

var skipurl = 'http://www.baidu.com';

window.location.replace(skipurl); 	

}

</script>

<!--ip屏蔽-->