// JavaScript Document

var xmlHttp // xmlHttp variable

function GetXmlHttpObject() {
    var objXMLHttp = null;

    if( window.XMLHttpRequest )
    {
        try
        {
            objXMLHttp = new XMLHttpRequest();
        }
        catch( e )
        {
            objXMLHttp = false;
        }
    }
    else if( window.createRequest )
    {
        try
        {
            objXMLHttp = new window.createRequest();
        }
        catch( e )
        {
            objXMLHttp = false;
        }
    }
    else if( window.ActiveXObject )
    {
        try
        {
            objXMLHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch( e )
        {
            try
            {
                objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch( e )
            {
                objXMLHttp = false;
            }
        }
    }

    return objXMLHttp;
}
function find_subthema(val){
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null){
alert ("Browser does not support HTTP Request")
return
}
param="&thema="+val;
//document.frm.reset;
var url="find_subthema.php";
xmlHttp.onreadystatechange = response;
xmlHttp.open("POST",url,true);
xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlHttp.setRequestHeader("Content-length", param.length);
xmlHttp.setRequestHeader("Connection", "close");
xmlHttp.send(param);
function response()
 {
		if (xmlHttp.readyState == 4)
		{
		var x=xmlHttp.responseText
		document.getElementById('subtheme').innerHTML = x;
		}
		else
		{
			document.getElementById('subtheme').innerHTML = "<img src='images/loading.gif'/>";
		}
}
}
function find_activity(val){
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null){
alert ("Browser does not support HTTP Request")
return
}
param="&thema="+document.getElementById('themaname').value+"&subthema="+val;
//document.frm.reset;
var url="find_activity.php";
xmlHttp.onreadystatechange = response;
xmlHttp.open("POST",url,true);
xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlHttp.setRequestHeader("Content-length", param.length);
xmlHttp.setRequestHeader("Connection", "close");
xmlHttp.send(param);
function response()
 {
		if (xmlHttp.readyState == 4)
		{
		var x=xmlHttp.responseText
		document.getElementById('activity').innerHTML = x;
		}
		else
		{
			document.getElementById('activity').innerHTML = "<img src='images/loading.gif'/>";
		}
}
}