var is_mac  = (agt.indexOf("mac")!=-1);

function jah(url,target) {
	if (!is_mac) {	
		document.getElementById(target).innerHTML = '<p style="text-align: center;">Please Wait...<br/><img style="vertical-align: middle;" src="images/refresh.gif" alt="Loading..." /></p>';
	}
	// native XMLHttpRequest object
    if (window.XMLHttpRequest) {
		document.getElementById(target).innerHTML = '<p style="text-align: center;">Please Wait...<br/><img style="vertical-align: middle;" src="images/refresh.gif" alt="Loading..." /></p>';
        req = new XMLHttpRequest();
        req.onreadystatechange = function() {jahDone(target);};
        req.open("GET", url, true);
        req.send(null);
    // IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = function() {jahDone(target);};
            req.open("GET", url, true);
            req.send();
        }
    } 
}    

function jahDone(target) {
    // only if req is "loaded"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
			results = req.responseText;
			document.getElementById(target).innerHTML = results;
        } else {
            document.getElementById(target).innerHTML="jah error:\n" +
                req.statusText;
        }
    }
}