var xmlhttp;
	function createXMLHttp()
	{
		if(window.XMLHttpRequest)
		{
			xmlhttp=new XMLHttpRequest();
		}
		else if(window.ActiveXObject)
		{
			xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}

	function callback()
	{
		if(xmlhttp.readyState==4)
		{
			if(xmlhttp.status==200)
			{
				var arr = new Array();
				var str="";
				str = xmlhttp.responseText;
				arr = str.split(",");
				var id =parseInt(arr[1])-1;
				document.getElementById("continent"+id+"-"+id).style.display="none";
				document.getElementById("continent"+id+"-"+id+"-1").style.display="";
				document.getElementById("continent"+id+"-"+id+"-1").innerHTML=arr[0];
				
				for(var i=0;i<5;i++)
				{
					if(parseInt(i)!=parseInt(id))
					{
						document.getElementById("continent"+i+"-"+i).style.display="";
						document.getElementById("continent"+i+"-"+i+"-1").style.display="none";
					}
				}
				
			}
		}
	}

	function start(par)
	{
		document.getElementById("continent"+par+"-"+par+"-1").innerHTML="正在提取数据...";
		createXMLHttp();
		xmlhttp.onreadystatechange=callback;
		
		xmlhttp.open("post","getData.asp?id="+(parseInt(par)+1),false);
		xmlhttp.send("");
	}