function GetResult(str,classid,nosel)
{
var MenuIdArr,MenuFieldArr,MenuClass
MenuIdArr= new Array()
MenuFieldArr=new Array()
MenuClass=2

MenuIdArr[1]="pinpai"
MenuIdArr[2]="xinghao"

MenuFieldArr[1]="name"
MenuFieldArr[2]="name"

if (window.XMLHttpRequest) { 
    http_request = new XMLHttpRequest();
} else if (window.ActiveXObject) { 
    http_request = new ActiveXObject("Microsoft.XMLHTTP");
}

var linkurl="../Inc/ajax_server.aspx?sel="+str+"&fieldname="+MenuFieldArr[classid+1]
http_request.open("GET",linkurl,false);
http_request.send(null);

var returntxt=http_request.responseText;
BuildSel(returntxt,document.getElementById(MenuIdArr[classid+1]),nosel)

var kkk
for(kkk=classid+2;kkk<=MenuClass;kkk++)
	{		
	submenu=document.getElementById(MenuIdArr[kkk])	
	submenu.length=1
	submenu.options[0].selected=true
	}
}

function BuildSel(str,sel,no)
{
sel.options.length=0;
var arrstr = new Array();
arrstr = str.split(",");
sel.options.add(new Option( no,""));  
if(str.length>0)   
{
for(var i=0;i<arrstr.length;i++)
{
var subarrstr=new Array
subarrstr=arrstr[i].split("|")
sel.options.add(new Option(subarrstr[1],subarrstr[0])); 
}
sel.options[0].selected=true
}

}