var xmlHttp

function showBoard(str,str1,str2,str3)
{ 
xmlHttp=GetXmlHttpObject3();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
  
if (str != '')
	  { 
		var url="mtedu-admin/getboard.asp";
		
		url=url+"?q="+str;
		url=url+"&a="+str1;
		url=url+"&b="+str2;
		url=url+"&c="+str3;
		
		url=url+"&sid="+Math.random();
		xmlHttp.onreadystatechange=StateChanged22;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	}
}
function StateChanged22() 
{ 
if (xmlHttp.readyState==4)
{
document.getElementById("txtShowBoard").innerHTML=xmlHttp.responseText;

}
}

function GetXmlHttpObject3()
{
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;
}