var FJ_mhstnm = 'fj0-12';
function FJ_isIE(){ return navigator.userAgent.indexOf("MSIE") != -1; }

function FJ_getScrQ(pre){
	var sc = document.getElementsByTagName('script');
	for(var i = 0; i < sc.length; i++){
		if(sc[i].src.indexOf(pre) == 0){
			var u = sc[i].src;
			return u.replace(/^[^\?]+\??/, '');
		}
	}
	return "";
}
function FJ_getQVar(q, v) {
	var vars = q.split("&");
	for(var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if(pair[0] == v) {
			return pair[1];
		}
	}
	return "";
} 
function FJ_get_cHost(){
	if(! (location && location.protocol && location.host && /https?:/.test(location.protocol)) ){
		return 'localhost';
	}
	var host = location.host.replace(/^www\./i, '');
	host = host.replace(/:\d+$/, '');
	host = host.replace(/^\./, '');
	host = host.replace(/\.$/, '');
	host = host.replace(/[^a-zA-Z0-9\.\-]+/g, '');
	return host ? host : 'localhost';
}

function FJ_getHostNum(cHost){
	var tot = 0;
	for(var i = 0; i < cHost.length; i++){
		tot += cHost.charCodeAt(i);
	}
	return tot % 100;
}
function FJ_createCookie(name,value,secs){
	if (secs) {
		var date = new Date();
		date.setTime(date.getTime()+(secs*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function FJ_readCookie(name){
	if(document.cookie && document.cookie.substr){
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
	} else {
		return null;
	}
}
function FJ_eraseCookie(name){
	FJ_createCookie(name,"",-1);
}
function FJ_cookiesEnabled(){
	if(window['FJ_CEN'] == 'yes'){
		return true;
	} else if(window['FJ_CEN'] == 'no'){
		return false;
	} else {
		FJ_createCookie('_fjdet1', 'det', 10);
		if(FJ_readCookie('_fjdet1') == 'det'){
			window['FJ_CEN'] = 'yes';
			return true;
		} else {
			window['FJ_CEN'] = 'no';
			return false;
		}
	}
}
function FJ_ignoreMe(elem){
	if(! FJ_cookiesEnabled()){
		alert("You do not have cookies enabled which means Feedjit is already ignoring you.");
		return;
	}
	if(FJ_readCookie('_fjIgnoreMe') == '1'){
		alert("Feedjit is already ignoring you.");
		elem.innerHTML = 'Stop ignoring me';
		elem.onclick = function(){ FJ_stopIgnoringMe(this); return false; };
		return;
	}
	FJ_createCookie('_fjIgnoreMe', '1', 86400*365);
	alert("From now on you will be ignored by Feedjit on this website.\n\nIf you use a different browser or workstation, or if you clear\nyour browser's cookies you will need to tell Feedjit to ignore you again.");
	elem.innerHTML = 'Stop ignoring me';
	elem.onclick = function(){ FJ_stopIgnoringMe(this); return false; };
	return;
}
function FJ_stopIgnoringMe(elem){
	if(! FJ_cookiesEnabled()){
		alert("You do not have cookies enabled which means Feedjit has no choice but to ignore you.");
		return;
	}
	if(FJ_readCookie('_fjIgnoreMe') != '1'){
		alert("Feedjit is not currently ignoring you.");
		return;
	}
	FJ_eraseCookie('_fjIgnoreMe');
	alert("Feedjit has stopped ignoring you.");
	elem.innerHTML = 'Ignore my browser';
	elem.onclick = function(){ FJ_ignoreMe(this); return false; };
	return;
}
	
function FJ_InjectCSS(href, storName){ 
	var headID = document.getElementsByTagName("head")[0];
	var cssNode = document.createElement('link');
	cssNode.type = 'text/css';
	cssNode.rel = 'stylesheet';
	cssNode.href = href;
	cssNode.media = 'screen';
	if(typeof(window[storName]) != 'undefined' && window[storName] && window[storName].parentNode){
		window[storName].parentNode.removeChild(window[storName]);
	} 
	headID.appendChild(cssNode);
	window[storName] = cssNode;
}
function FJ_globalInit(){
	if(typeof(window['FJ_GINIT']) != 'undefined' && window['FJ_GINIT'] == 'run'){
		return;
	}
	window['FJ_GINIT'] = 'run';
	window['FJ_isNewVis'] = false;
	if(FJ_cookiesEnabled()){
		var vid = FJ_readCookie('_fjvid1');
		if(vid){
			window['FJ_VID'] = vid;
		} else {
			
			window['FJ_VID'] = 'new';
			window['FJ_isNewVis'] = true;
		}
		
		FJ_createCookie('_fjvid1', vid, 1800);
	} else {
		window['FJ_VID'] = 'cookiesDisabled';
	}
}
function FJ_setNewVID(vid){
	window['FJ_VID'] = vid; 
	FJ_createCookie('_fjvid1', vid, 1800);

}
function FJ_isNewVisit(){
	return window['FJ_isNewVis'] ? true : false;
}
function FJ_MakeWParams(wNum, wName, wProp){
	var logRun = typeof(window['FJ_LogRun']) == 'undefined' ? 0 : 1;
	window['FJ_LogRun'] = true;
	var sw, sh;
	if(screen && screen.width && screen.height){
		sw = screen.width;
		sh = screen.height;
	} else {
		sw = 0; sh = 0;
	}
	var ret =  
	'w=' + wName +
	'&ign=' + ((FJ_readCookie('_fjIgnoreMe') == '1') ? '1' : '0') +
	'&wn=' + wNum +
	'&cen=' + (FJ_cookiesEnabled() ? '1' : '0') +
	'&nv=' +  (FJ_isNewVisit() ? '1' : '0') +
	'&fl=' + (window['FJ_FIL'] ? '1' : '0') + 
	'&vid=' + window['FJ_VID'] +
	'&rn=' + (typeof(window[wProp]) == 'undefined' ? '0' : '1') +
	'&lg=' + (logRun ? '0' : '1') +
	'&u=' + encodeURIComponent(location.href) +
	'&r=' + encodeURIComponent(document.referrer) +
	'&t=' + encodeURIComponent(document.title) +
	'&sw=' + sw +
	'&sh=' + sh +
	'&fjv=2' +
	'&rand=' + Math.floor(Math.random() * 999999999);
	window[wProp] = 1;
	return ret;
}
function FJ_Pause(millis)
{
	var date = new Date();
	var curDate = null;
	do { curDate = new Date(); }
	while(curDate - date < millis);
}
function FJ_EDec(str) {
	var ta=document.createElement("textarea");
	ta.innerHTML=str.replace(/</g,"&lt;").replace(/>/g,"&gt;");
	return ta.value;
}
function FJ_shortenPre(str, chars){
	if(str.length <= chars) return str;
	chars -= 3;
	str = str.substr(str.length - chars, chars);
	str = '...' + str.replace(/^[^\s\r\n\t]+[\s\r\n\t]+/, '');
	return str;
}
function FJ_shortenPost(str, chars){
	if(str.length <= chars) return str;
	chars -= 3;
	str = str.substr(0, chars);
	str = str.replace(/[\s\r\n\t]+[^\s\r\n\t]+$/, '') + '...';
	return str;
}
	
function FJ_HandleAClick(aObj, evt){
	evt = evt || window.event;
	//At this point we're gauranteed to be heading to a new location
	var href = aObj.href;

	var linkText = aObj.innerHTML ? FJ_EDec(aObj.innerHTML.replace(/<[^>]+>/g, '')) : '';
	var preText = "";
	var postText = "";

	var prevSib = aObj;
	while((prevSib = prevSib.previousSibling) && preText.length < 255){
		if(prevSib.nodeType == 3){
			preText = FJ_EDec(prevSib.nodeValue) + preText;
		} else if(prevSib.nodeType == 1 && prevSib.firstChild && prevSib.firstChild === prevSib.lastChild && prevSib.firstChild.nodeType == 3){
			preText = FJ_EDec(prevSib.firstChild.nodeValue) + preText;
		} else {
			break;
		}
	}
	var nextSib = aObj;
	while((nextSib = nextSib.nextSibling) && postText.length < 255){
		if(nextSib.nodeType == 3){
			postText += FJ_EDec(nextSib.nodeValue);
		} else if(nextSib.nodeType == 1 && nextSib.firstChild && nextSib.firstChild === nextSib.lastChild && nextSib.firstChild.nodeType == 3){
			postText += FJ_EDec(nextSib.firstChild.nodeValue);
		} else {
			break;
		}
	}
	linkText = linkText.replace(/[\s\r\n\t]+/g, ' ');
	preText = preText.replace(/[\s\r\n\t]+/g, ' ');
	postText = postText.replace(/[\s\r\n\t]+/g, ' ');
	
	linkText = FJ_shortenPost(linkText, 125);
	preText = FJ_shortenPre(preText, 125);
	postText = FJ_shortenPost(postText, 125);

	var img = document.createElement('IMG');
	img.width = '1';
	img.height = '1';
	img.alt = 'blah';
	img.src = 'http://feedjit.com/click/?' + 
		'&h=' + encodeURIComponent(href) +
		'&u=' +  encodeURIComponent(location.href) +
		'&cen=' + (FJ_cookiesEnabled() ? '1' : '0') +
		'&vid=' + window['FJ_VID'] +
		'&ign=' + ((FJ_readCookie('_fjIgnoreMe') == '1') ? '1' : '0') +
		'&fl=' + (window['FJ_FIL'] ? '1' : '0') + 
		'&lnt=' + encodeURIComponent(linkText) +
		'&prt=' + encodeURIComponent(preText) + 
		'&pot=' + encodeURIComponent(postText) +
		'&fjv=2' +
		'&t=' + encodeURIComponent(document.title.replace(/[\s\r\n\t]+/g, ' ')) +
		'&rand=' + Math.floor(Math.random() * 999999999);
	document.body.appendChild(img);

	var img2 = document.createElement('IMG');
	img2.width = '1';
	img2.height = '1';
	img2.alt = '';
	img2.src = 'http://feedjit.com/images/transparent.gif?r=' + Math.floor(Math.random() * 999999999);
	document.body.appendChild(img2);
	FJ_Pause(500);
	return true;
}
function FJ_InstallATrack(a){
	if(typeof(a.onclick) == 'function'){
		return; //Disable for now
		var old = a.onclick;
		a.onclick = function(e){
			if(old(e)){
				//If old() returns true then FJ_HandleAClick will handle taking us to the new location but will load an img first
				FJ_HandleAClick(this, e);
			}
			return false;
			};
	} else {
		a.onclick = function(e){ return FJ_HandleAClick(this, e) };
	}
}
function FJ_ProcessLinks(){
	var arr = document.body.getElementsByTagName('A');
	for(var i = 0; i < arr.length; i++){
		if(/^(http:\/\/|\/)/.test(arr[i].href)){
			FJ_InstallATrack(arr[i]);
		}
	}
}
function FJ_setupClickTrk(){
	if(typeof(window['FJClickTrkInst']) == 'undefined'){
		window['FJClickTrkInst'] = true;
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = FJ_ProcessLinks;
		} else {
			window.onload = function() {
				FJ_ProcessLinks();
				oldonload();
			}
		}
	}
}
FJ_setupClickTrk();


function FJMapSetup(){
	FJ_globalInit();
	var qstr = FJ_getScrQ('http://feedjit.com/map');
	window['FJ_FIL'] = FJ_getQVar(qstr, 'fl') == 1 ? true : false;	
	FJ_InjectCSS('http://feedjit.com/style/map/?' + qstr, 'FJ_MAP_CSS');
	document.write('<script charset="utf-8" type="text/javascript" src="http://feedjit.com/router/?' +
		FJ_MakeWParams('2', 'map', 'FJ_MP_RUN') + '"></script>');
}
FJMapSetup();