function initAjax()
{
	var status=false;
//	var contentType='text/plain; charset=iso-8859-1';
	var contentType='text/plain; charset=utf-8';
	if(window.XMLHttpRequest){request=new XMLHttpRequest();}
	if(window.ActiveXObject)
    {
        for(var i=5;2;i--)
        {
            try
            {
                if(i==2){request=new ActiveXObject("Microsoft.XMLHTTP");}
                else{request=new ActiveXObject("Msxml2.XMLHTTP."+i+".0");}
                break;
            }
            catch(e){request=false;}
        }
    }
	return request;
}