// JavaScript Document




var xmlhttp;

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	  {
		  // code for IE7+, Firefox, Chrome, Opera, Safari
		  return new XMLHttpRequest();
	  }
	if (window.ActiveXObject)
	  {
		  // code for IE6, IE5
		  return new ActiveXObject("Microsoft.XMLHTTP");
	  }
	return null;
}


function stateChangedSearch()
{
	if (xmlhttp.readyState==4)
	  {
		  document.getElementById("search_result").innerHTML=xmlhttp.responseText;
	  }
}



function searchtopic(topic)
{	
		
		var strURL="includes/search_result.php?topic="+topic;
		
		xmlhttp=GetXmlHttpObject();
		if (xmlhttp==null)
		  {
			  alert ("Your browser does not support XMLHTTP!");
			  return;
		  }

		xmlhttp.onreadystatechange=stateChangedSearch;
		xmlhttp.open("GET",strURL,true);
		xmlhttp.send(null);
}