var jb;//¾ä±ú		
function swapItem(preName, total, num){ 
   for(var i=0;i<total+1;i++){ 
	try{ 	var obji = document.getElementById(preName+i.toString()); 	if(obji){ 	obji.style.display = 'none'; 	} 	}catch(e){alert(e); 	} 	} 	try{ 	var objx = document.getElementById(preName+num); 	if(objx){ 	objx.style.display = 'block'; 	} 	}catch(e){alert(e); 	} }
		function SetCookie(name, value, expires)
		{
		  var exp = new Date();
		  //100 days
		  exp.setTime(exp.getTime() + 100*24*60 * 60 * 1000);
		  document.cookie=name+"="+escape(value)+" ; expires="+exp.toGMTString()+" ;Domain=.allfang.com; path=/";
		}
		
		var bb=window.location.href;
		if(bb.indexOf("?")>0) bb=bb.substring(0,bb.indexOf("?"));
			
		SetCookie("SelectCityIndex", bb, "1");
		
function DisplayTable(obj1,obj2,obj3,obj4){
document.getElementById(obj1).style.display=""; 
document.getElementById(obj2).style.display="none"; 
document.getElementById(obj3).style.display="none";
document.getElementById(obj4).style.display="none";
}