function changeyisheng(value)
{	 

	xmlHttpband=GetXmlHttpband()
	if (xmlHttpband==null)
	 {
	  alert ("Your browser does not support AJAX!");
	  return;
	 } 
	var urlName="/keshi.php?keshi="+value; 
	//alert(urlName);
	xmlHttpband.onreadystatechange=stateband;
	xmlHttpband.open("GET",urlName,true);
	xmlHttpband.send(null);
} 

function stateband() 
{ 
	if (xmlHttpband.readyState==4)
	{ 
		var RefineName = xmlHttpband.responseText;
		document.getElementById("s_yisheng").innerHTML =RefineName; 
	}
}
function GetXmlHttpband()
{
var xmlHttpband=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttpband=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttpband=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttpband=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttpband;
}