/*- Simple javascript function that creates a new_http_request for ajax calls
    Input parameters : none
    Returns :
    - http_request
-*/

function new_http_request()
{
	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)
				{}
			}
		}
	return( http_request );
}