// JavaScript Document
var xmlHttp
function showHint(str)
{ 
 
var url="getmark.asp?str="+ str
xmlHttp=GetXmlHttpObject(getmark)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)

} 

function getmark() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
   var strcontain=unescape(xmlHttp.responseText);  
   document.getElementById("navl").innerHTML=strcontain; 
   if (strcontain!="")     { 
   
    document.all.navl.style.visibility=''; 
   }
   if (strcontain=="")   
   {
     
	 document.all.navl.style.visibility='hidden'; 	
   }  
} 
} 

function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null
if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesnt 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
}
}