function doHTTP(url, callback_function, element_id, return_xml, loading_msg)

{

    var http_request = false;



    if (window.XMLHttpRequest)

	{ // Mozilla, Safari,...

        http_request = new XMLHttpRequest();

        if (http_request.overrideMimeType)

			http_request.overrideMimeType('text/xml');

   	}

	else if (window.ActiveXObject)

	{ // IE

        try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); }

		catch (e)

		{

            try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); }

			catch (e) {}

        }

   	}



    if (!http_request)	

	{

        alert('Unfortunatelly you browser doesn\'t support this feature.');

        return false;

    }

    

	http_request.onreadystatechange = function()

	{

        if (http_request.readyState == 4)

		{

            if (http_request.status == 200)

			{

                if (return_xml)	{ eval(callback_function + '(http_request.responseXML)'); }

                else			{ eval(callback_function + '(http_request.responseText,element_id)'); }

           	}

			else

			{

                alert('There was a problem with the request.(Code: ' + http_request.status + ')');

           	}

       	} else {

       		if(loading_msg == '')

       		{

	   			//	alert(loading_msg);

       		} else {

     			loading(element_id, loading_msg);

       		}	

       	}

   	}

    http_request.open('GET', url, true);

    http_request.send(null);

}

	

function makeHTML (s, elem)

{

	fe = document.getElementById(elem);

	fe.innerHTML = s;

}



function loading(el_id, msg)

{

	document.getElementById(el_id).innerHTML = '<div id="loading"><img src="/teaser/images/loading.gif" alt="" /><p>' + msg + '</span></p>';

}