String.prototype.getQueryString=function(v){var reg=new RegExp("(^|&|\\?)" + v + "=([^&]*)(&|$)"), r;if(r=this.match(reg)){return unescape(r[2]);}return null;};var sohu_IP_Loc="unknown",LocUrl=document.location.href;if((LocUrl.indexOf("sohusce.com") >= 0)||(LocUrl.indexOf("sohu.com") >= 0)||(LocUrl.indexOf("chinaren.com") >= 0)||(LocUrl.indexOf("17173.com") >= 0)||(LocUrl.indexOf("focus.cn") >= 0)){window.sohu_user_ip="54.224.43.79";sohu_IP_Loc="US";sohu_IP_Loc_V="US";}var AdLoc2=sohu_IP_Loc.substr(0,2),AdLoc4=sohu_IP_Loc.substr(0,4),AdLoc6=sohu_IP_Loc.substr(0,6);if(window.location.href.getQueryString("ip"))sohu_IP_Loc=AdLoc2=AdLoc4=AdLoc6=window.location.href.getQueryString("ip");