var is_input = document.URL.indexOf('?');
if (is_input != -1)
{ 
addr_str = document.URL.substring(is_input+1, document.URL.length);
url = document.URL.substring(is_input+1, document.URL.length);
}
else
{
url="";
}
        var http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } 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('Giving up :( Cannot create an XMLHTTP instance');

        }
        http_request.onreadystatechange = function() { alertContents(http_request); };
        http_request.open('GET','new.php?'+url, true);
        http_request.send(null);