var xmlHttp;

function showtips(obj,rs,sobj) {
	if (document.getElementById(sobj).value != "") {
      xmlHttp=GetXmlHttpObject()
	
	  if (xmlHttp==null)
		{
		alert ("您的浏览器不支持AJAX!");
		return;
		}
	
	  var url="/plus/tips.php";
	  //rs=escape(rs);
	  url=url+"?rs="+rs;
	  url=url+"&obj="+obj;
	  url=url+"&sobj="+sobj;
	  url=url+"&sid="+Math.random();
	  xmlHttp.onreadystatechange=function(){stateChanged(obj);};
	  xmlHttp.open("get",url,true);
	  xmlHttp.send(null);
	} else {
		document.getElementById(obj).style.display='none';
	}
} 

function stateChanged(obj) 
{ 
if (xmlHttp.readyState==4)
{
var Data = xmlHttp.responseText;
if (Data != "") {
document.getElementById(obj).style.display='block';
document.getElementById(obj).innerHTML=Data;
} else {
document.getElementById(obj).style.display='none';
}
}
}

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
return xmlHttp;
}