var xmlHttp

 

function showCustomer(str)

{ 

var url="getcustomer.asp?sid=" + Math.random() + "&q=" + str

xmlHttp=GetXmlHttpObject(stateChanged)

xmlHttp.open("GET", url , true)

xmlHttp.send(null)

} 

 

function stateChanged() 

{ 

if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")

{ 

document.getElementById("txtHint").innerHTML=xmlHttp.responseText 

} 

} 

 

function GetXmlHttpObject(handler)

{ 

var objXmlHttp=null

 

if (navigator.userAgent.indexOf("Opera")>=0)

{

alert("This example doesn't work in Opera") 

return; 

}

if (navigator.userAgent.indexOf("MSIE")>=0)

{ 

var strName="Msxml2.XMLHTTP"

 

if (navigator.appVersion.indexOf("MSIE 5.5")>=0)

{

strName="Microsoft.XMLHTTP"

} 

try

{ 

objXmlHttp=new ActiveXObject(strName)

objXmlHttp.onreadystatechange=handler 

return objXmlHttp

} 

catch(e)

{ 

alert("Error. Scripting for ActiveX might be disabled") 

return 

} 

} 

if (navigator.userAgent.indexOf("Mozilla")>=0)

{

objXmlHttp=new XMLHttpRequest()

objXmlHttp.onload=handler

objXmlHttp.onerror=handler 

return objXmlHttp

}

}