var xmlHttp

function selectArc(str,str1)
{ 
var decide=str+"b";
var decideto=str+"n";
var newar=Array();
newar[0]="tt";
newar[1]="yr";
newar[2]="cn";
newar[3]="totw";
for(var x=0;x<4;x++){
	if(str==newar[x]){
		decide=str+"b";
		decideto=str+"n";
		if(document.getElementById(decide).style.display=="none"){
			document.getElementById(decide).style.display="block";
			document.getElementById(decideto).style.display="none";
		}else{
			document.getElementById(decide).style.display="none";
			document.getElementById(decideto).style.display="block";
		}
	}else{
		decide=newar[x]+"b";
		decideto=newar[x]+"n";
		document.getElementById(decide).style.display="block";
		document.getElementById(decideto).style.display="none";
	}
}

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
 
var url="archivelist.jsp";
//url=url+"?cvalue="+str+"&catvalue="+str1;
url=url+"?newsdiv="+str+"&curPage_arc="+str1;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
//alert(url);
xmlHttp.send(null);
}

function stateChanged() 
{	//alert("step 1");
	document.getElementById("loader").style.display = "block";	
	//alert("step 2");
	try{
	if (xmlHttp.readyState == 4)
	{
		
	  /*if(xmlHttp.status==200 || window.location.href.indexOf("http")!=-1)
	  {
		document.getElementById("gameid").innerHTML = xmlHttp.responseText;
		document.getElementById("gameid").style.display = "block";
		document.getElementById("loader").style.display = "none";
	  }*/
	//alert(xmlHttp.responseText);  
	document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	//alert(document.getElementById("txtHint").innerHTML);
	document.getElementById("loader").style.display = "none";
	
	}
	}
catch (e){ 
	alert("Error"); 
	}
	/*
	if (xmlHttp.readyState==4)
	{// alert(xmlHttp.responseText);
	document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	//alert(document.getElementById("txtHint").innerHTML);
	document.getElementById("loader").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;
}