var http_request = false;


function makeRequest(url)
{
	http_request = false;
    if (window.XMLHttpRequest) { 
	    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
        http_request.overrideMimeType('text/xml');               
            }
        } else if (window.ActiveXObject) {
            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');
            return false;
        }
        http_request.onreadystatechange = FillData;
        http_request.open('GET', url, false);
        http_request.send(null);
    }

    function FillData()
    {
		if (http_request.readyState == 4)
		{
            if (http_request.status == 200)
            {
				return http_request;				
            }             
        }
    }