/*

AJAX Library
2004-2006 Alexander Romanovich
alex@sirensclef.com
20061111

*/

var xmlhttp=false;
/*@cc_on @*/
/*@if (@_jscript_version>=5)
try {xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");}
catch (e) {try {xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");} catch (E) {xmlhttp=false;};};
@end @*/
if (!xmlhttp && typeof XMLHttpRequest!='undefined') xmlhttp=new XMLHttpRequest();
var req_timeout=5; // in seconds, suggested: 5
var req_latency=200; // in milliseconds, suggested: 200
var req_latency_alt=400; // in milliseconds, suggested: 400 (old IE workaround)
var req_intervals=new Array();
var req_timeouts=new Array();
var req_msg='Sorry, the information you requested was not available at this time.';
var ajax_element=false;
var req_start=false;
var slowReq=false;

function ajaxSet(url,element) {
if (!element) {alert('You must enter an element name.');}
else {
	if (arguments.length>2) {
		args2=new Array();
		for (i=2,max=arguments.length;i<max;i=i+2) args2[args2.length]=arguments[i]+'='+arguments[i+1];
		url=url+'?'+args2.join('&');
	};
	ajax_element=element;
	req_start=false;
	ajaxExecute(url);
};
}

function ajaxExecute(url) {
if (xmlhttp) {
	xmlhttp.open('GET',url);
	xmlhttp.onreadystatechange=function() {
		if (!req_start) {
			req_start=new Date();
			req_start=req_start.getTime();
			slowReq=false;
		};
		if (xmlhttp.readyState==0) {
			if (ajax_element) {
				var elementHeight=document.getElementById(ajax_element).offsetHeight;
				document.getElementById(ajax_element).height=elementHeight+'px';
			};
		}
		else if (xmlhttp.readyState==4) {
			if (ajax_element) {
				document.getElementById(ajax_element).height='auto';
				document.getElementById(ajax_element).innerHTML=xmlhttp.responseText;
				ajax_element=false;
			};
		}
		else if (req_start) {
			var req_end=new Date();
			if ((req_end.getTime()-req_start)/1000>req_timeout) {
				if (ajax_element) {
					document.getElementById(ajax_element).innerHTML=req_msg;
					ajax_element=false;
				};
			}
			else if (!slowReq && (req_end.getTime()-req_start)/1000>req_timeout/4) {
				slowReq=true;
				document.getElementById(ajax_element).innerHTML='<p>Loading...</p>';
			};
		};
	};
	xmlhttp.send(null);
}
else {
	if (!document.getElementById('ajax_frame')) document.body.innerHTML=document.body.innerHTML+'<iframe id="ajax_frame" name="ajax_frame" src="" style="height:0px;width:0px;visibility:hidden;"></iframe>';
	if (!req_intervals[ajax_element]) {
		frames['ajax_frame'].document.body.innerHTML='';
		document.getElementById('ajax_frame').src=url;
		req_timeouts[ajax_element]=window.setTimeout('if (frames["ajax_frame"].document.body.innerHTML.length!=0) {window.clearInterval(req_intervals["'+ajax_element+'"]);document.getElementById("'+ajax_element+'").innerHTML=req_msg;req_intervals["'+ajax_element+'"]=null;req_timeouts["'+ajax_element+'"]=null;};',req_timeout*1000);
		req_intervals[ajax_element]=window.setInterval('if (frames["ajax_frame"].document.body.innerHTML.length!=0) {window.clearTimeout(req_timeouts["'+ajax_element+'"]);document.getElementById("'+ajax_element+'").innerHTML=frames["ajax_frame"].document.body.innerHTML;req_timeouts["'+ajax_element+'"]=null;window.clearInterval(req_intervals["'+ajax_element+'"]);req_intervals["'+ajax_element+'"]=null;};',req_latency_alt);
	};
};
};