var sajax_debug_mode = false; var sajax_request_type = "GET"; var sajax_target_id = ""; var sajax_failure_redirect = ""; function sajax_debug(text)
{ if (sajax_debug_mode)
alert(text);}
function sajax_init_object()
{ sajax_debug("sajax_init_object() called..")
var A; var msxmlhttp = new Array( 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'Msxml2.XMLHTTP.3.0', 'Msxml2.XMLHTTP', 'Microsoft.XMLHTTP'); for (var i = 0; i < msxmlhttp.length; i++) { try { A = new ActiveXObject(msxmlhttp[i]);} catch (e) { A = null;}
}
if(!A && typeof XMLHttpRequest != "undefined")
A = new XMLHttpRequest(); if (!A)
sajax_debug("Could not create connection object."); return A;}
var sajax_requests = new Array(); function sajax_cancel()
{ for (var i = 0; i < sajax_requests.length; i++)
sajax_requests[i].abort();}
function sajax_do_call(func_name, args) { var i, x, n; var uri; var post_data; var target_id; sajax_debug("in sajax_do_call().." + sajax_request_type + "/" + sajax_target_id); target_id = sajax_target_id; if (typeof(sajax_request_type) == "undefined" || sajax_request_type == "")
sajax_request_type = "GET"; uri = remote_uri; if (sajax_request_type == "GET") { if (uri.indexOf("?") == -1)
uri += "?rs=" + escape(func_name); else
uri += "&rs=" + escape(func_name); uri += "&rst=" + escape(sajax_target_id); uri += "&rsrnd=" + new Date().getTime(); for (i = 0; i < args.length-1; i++)
uri += "&rsargs[]=" + escape(args[i]); post_data = null;}
else if (sajax_request_type == "POST") { post_data = "rs=" + escape(func_name); post_data += "&rst=" + escape(sajax_target_id); post_data += "&rsrnd=" + new Date().getTime(); for (i = 0; i < args.length-1; i++)
post_data = post_data + "&rsargs[]=" + escape(args[i]);}
else { alert("Illegal request type: " + sajax_request_type);}
x = sajax_init_object(); if (x == null) { if (sajax_failure_redirect != "") { location.href = sajax_failure_redirect; return false;} else { sajax_debug("NULL sajax object for user agent:\n" + navigator.userAgent); return false;}
} else { x.open(sajax_request_type, uri, true); sajax_requests[sajax_requests.length] = x; if (sajax_request_type == "POST") { x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1"); x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");}
x.onreadystatechange = function() { if (x.readyState != 4)
return; sajax_debug("received " + x.responseText); var status; var data; var txt = x.responseText.replace(/^\s*|\s*$/g,""); status = txt.charAt(0); data = txt.substring(2); if (status == "") { } else if (status == "-")
alert("Error: " + data); else { if (target_id != "")
document.getElementById(target_id).innerHTML = eval(data); else { try { var callback; var extra_data = false; if (typeof args[args.length-1] == "object") { callback = args[args.length-1].callback; extra_data = args[args.length-1].extra_data;} else { callback = args[args.length-1];}
callback(eval(data), extra_data);} catch (e) { sajax_debug("Caught error " + e + ": Could not eval " + data );}
}
}
}
}
sajax_debug(func_name + " uri = " + uri + "/post = " + post_data); x.send(post_data); sajax_debug(func_name + " waiting.."); delete x; return true;}