if (!SHARETHIS) {
/*
* Sharelet
*
* The thing being shared. There can be zero or more sharelets per page.
* Share buttons can optionally be created here requiring the DOM parent
* to exist.
*/
var Sharelet = new Class({
node: null, // DOM parent node.
button: null,
properties: {
type: '',
title: document.title,
summary: '',
content: '',
url: document.URL,
icon: '',
category: '',
updated: document.lastModified,
published: '',
author: ''
},
options: {
button: true,
buttonText: 'ShareThis'
},
initialize: function(options){
this.options = $merge(this.options, options);
},
bind: function(node){
if (this.node !== null && this.node !== node) {
try {this.node.removeChild(this.button)} catch(err){
}
}
if (this.options.button == true) {
try{node.appendChild(this.button)} catch(err){
}
}
this.node = node;
}
});
/*
* ShareThisWidget
*
* Handles creation of the widget, positioning and visibility.
*/
var ShareThisWidget = new Class({
visible: 0,
wrapper: null,
iframe: null,
close: null,
sharelet: null,
left: 0,
top: 0,
hiddenEmbeds: false,
loaderHTML: 'Getting ready to share!',
initialize: function(options){
this.options = options;
var d = document.createElement('div');
d.className = 'stwrapper';
d.style.visibility = 'hidden';
this.wrapper = d;
try {
var f = document.createElement('');
} catch(err) {
var f = document.createElement('iframe');
f.allowTransparency="true";
f.setAttribute("allowTransparency", "true");
}
f.id = 'stframe';
f.className = 'stframe';
f.name = 'stframe';
f.frameBorder = '0';
f.scrolling = 'no';
f.width = '354px';
f.height = '437px';
d.appendChild(f);
this.iframe = f;
var a = document.createElement('a');
a.href = '#';
a.title = 'close';
a.className = 'stclose';
a.onclick = this.hide;
a.style.color = '#fff';
var t = document.createTextNode('X');
a.appendChild(t);
d.appendChild(a);
this.close = a;
},
show: function(opts){
SHARETHIS.widget.visible = 1;
SHARETHIS.widget.wrapper.style.left = this.left+'px';
SHARETHIS.widget.wrapper.style.top = this.top+'px';
if (SHARETHIS.widget.wrapper.parentNode == null
|| typeof(SHARETHIS.widget.wrapper.parentNode.tagName) == 'undefined'){
document.body.appendChild(SHARETHIS.widget.wrapper);
}
SHARETHIS.widget.wrapper.style.visibility = 'visible';
if (opts && Boolean(opts.embeds) != true) {
SHARETHIS.widget.hiddenEmbeds = true;
SHARETHIS.widget.hideEmbeds();
}
return false;
},
hide: function(opts){
SHARETHIS.widget.visible = 0;
SHARETHIS.widget.wrapper.style.visibility = 'hidden';
if (Boolean(SHARETHIS.widget.hiddenEmbeds) == true || (opts && Boolean(opts.embeds) != true)) {
SHARETHIS.widget.hiddenEmbeds = false;
SHARETHIS.widget.showEmbeds();
}
return false;
},
hideEmbeds: function() {
var embeds = document.getElementsByTagName('embed');
for (var i=0; i< embeds.length; i++) {
embeds[i].style.visibility = "hidden";
}
},
showEmbeds: function() {
var embeds = document.getElementsByTagName('embed');
for (var i=0; i< embeds.length; i++) {
embeds[i].style.visibility = "visible";
}
},
loading: function(){
var w = parent.frames['stframe'];
try {
w.window.document.open();
w.window.document.clear();
w.window.document.write(this.loaderHTML);
w.window.document.close();
} catch(err) {}
}
});
/*
* ShareThis
*
* This global object implements the ShareThis API and binding sharelets and the widget
* together.
*/
var ShareThis = new Class({
version: '1.19',
ready: false,
readyList: [],
toolbar: false,
counter: 0,
widget: null,
sharelets: [],
page: {},
query: {},
lastUrl: 'blank',
logFlag: true,
meta: {
publisher : '',
hostname : location.host,
location : location.pathname
},
initialize: function(options){
var options = options || {};
this.options = options;
if (options.publisher) {
this.meta.publisher = options.publisher;
}
this.page = new Sharelet($merge(options,{button:false}));
this.widget = new ShareThisWidget();
if (options.headerbg) {
var l = this.luminescence(options.headerbg);
this.widget.close.style.color = l > 0.5 ? '#000' : '#fff';
}
var css = 'http://w.sharethis.com/widget/' + this.version + '/sharethis.css';
this.load('link', {
href : (this.options.css ? this.options.css : css),
rel : 'stylesheet',
type : 'text/css'
});
if (typeof(window.addEventListener) != 'undefined') {
window.addEventListener("load", this.onReady, false);
} else if (typeof(document.addEventListener) != 'undefined') {
document.addEventListener("load", this.onReady, false);
} else if (typeof window.attachEvent != 'undefined') {
window.attachEvent("onload", this.onReady);
}
},
selection: function(){
if (window.getSelection) {
this.page.properties.selection = window.getSelection();
} else if (document.getSelection) {
this.page.properties.selection = document.getSelection();
} else if (document.selection && document.selection.createRange) {
this.page.properties.selection = document.selection.createRange().text;
}
},
luminescence: function(color) {
var rgb = {};
if (color.length == 7) {
rgb = [parseInt('0x' + color.substring(1, 3)) / 255,
parseInt('0x' + color.substring(3, 5)) / 255,
parseInt('0x' + color.substring(5, 7)) / 255];
} else if (color.length == 4) {
rgb = [parseInt('0x' + color.substring(1, 2)) / 15,
parseInt('0x' + color.substring(2, 3)) / 15,
parseInt('0x' + color.substring(3, 4)) / 15];
}
var r = rgb[0], g = rgb[1], b = rgb[2];
var min = Math.min(r, Math.min(g, b));
var max = Math.max(r, Math.max(g, b));
return (min + max) / 2;
},
defer: function(f) {
if (this.ready) {
f.apply(document, [SHARETHIS]);
} else {
this.readyList.push( function() { return f.apply(this, [SHARETHIS]) } );
//this.readyList.push(f);
}
},
onReady: function() {
SHARETHIS.ready = true;
for (var i = 0; i < SHARETHIS.readyList.length; ++i)
SHARETHIS.readyList[i].apply(document, [SHARETHIS]);
},
load: function(t, opts) {
var e = document.createElement(t);
for (var i in opts) {
e.setAttribute(i, opts[i]);
}
try {
document.getElementsByTagName('head')[0].appendChild(e);
} catch (err) {
document.body.appendChild(e);
}
},
pageSize: function() {
var pScroll = [0,0];
if (typeof(window.pageYOffset) == 'number') {
//Netscape compliant
pScroll = [window.pageXOffset, window.pageYOffset];
} else if (document.body && (document.body.scrollLeft || document.body.scrollTop)) {
//DOM compliant
pScroll = [document.body.scrollLeft, document.body.scrollTop];
} else if (document.documentElement
&& (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
//IE6 standards compliant mode
pScroll = [document.documentElement.scrollLeft,
document.documentElement.scrollTop];
}
return pScroll;
},
addEntry: function(properties, options){
var options = options || {};
if (typeof(options.button) == "undefined") {
options.button = true;
}
if (typeof(options.bind) == "undefined") {
options.bind = true;
}
var s = new Sharelet($merge(this.options, options));
s.properties = $merge(s.properties, properties);
s.idx = this.sharelets.push(s) - 1;
s.sharethis = this;
s.widget = this.widget;
if(s.properties.url!==this.lastUrl){
this.lastUrl=s.properties.url;
}
else{
this.logFlag=false;
}
s.popup = function(e){
if (s.options.onclick) {
var res = s.options.onclick.apply(document, [s]);
if (res == false) {
return false;
}
}
SHARETHIS.selection();
var p = window.open("http://w.sharethis.com/widget/loading", "stframe","status=1,toolbar=0,width=354,height=437");
s.widget.popup = p;
try {
p.document.open();
p.document.clear();
p.window.document.write(SHARETHIS.widget.loaderHTML);
p.document.close();
p.focus();
} catch(err) {}
var f = SHARETHIS.form([s]);
document.body.appendChild(f);
f.submit();
return false;
};
s.attachButton = function(a){
a.onclick = (Boolean(s.options.popup) == true ? s.popup : s.onClick);
};
s.onClick = function(e){
if (s.options.onclick) {
var res = s.options.onclick.apply(document, [s]);
if (res == false) {
return false;
}
}
findPos = function(obj) {
var obj = obj || {};
if (obj.parentNode && obj.parentNode.className.indexOf('stbutton') != -1) {
obj = obj.parentNode;
}
var pScroll = SHARETHIS.pageSize();
var pos = pScroll;
var widgetWidth = 354;
if (obj.offsetParent) {
odims = {offsetLeft:obj.offsetLeft, scrollWidth:obj.scrollWidth};
pos = [obj.offsetLeft+obj.scrollWidth,obj.offsetTop+obj.scrollHeight];
while (obj = obj.offsetParent) {
pos[0] += obj.offsetLeft;
pos[1] += obj.offsetTop;
}
if (s.options.offsetLeft) {
pos[0] += parseInt(s.options.offsetLeft);
}
if (s.options.offsetTop) {
pos[1] += parseInt(s.options.offsetTop);
}
if (!s.options.offsetLeft && !s.options.offsetTop) {
pos[0] -= odims.scrollWidth;
if (pos[0] + widgetWidth > document.body.scrollWidth) {
pos[0] -= widgetWidth - odims.scrollWidth;
}
}
}
return pos;
};
if (!e) var e = window.event;
var el = e.target || e.srcElement;
var coords = findPos(el);
s.widget.left = coords[0];
s.widget.top = coords[1];
if (s.widget.visible) {
if (s == s.widget.sharelet) {
s.widget.hide(s.options);
} else {
s.widget.loading();
s.share();
}
} else {
if (s == s.widget.sharelet) {
s.widget.show(s.options);
} else {
s.widget.show(s.options);
s.widget.loading();
s.share();
}
}
return false;
};
s.show = function(top, left){
s.widget.left = left;
s.widget.top = top;
if (s.widget.visible) {
if (s == s.widget.sharelet) {
s.widget.hide(s.options);
} else {
s.widget.loading();
s.share();
}
} else {
if (s == s.widget.sharelet) {
s.widget.show(s.options);
} else {
s.widget.show(s.options);
s.widget.loading();
s.share();
}
}
return false;
};
s.share = function(){
return s.sharethis.share(s);
};
if (typeof(s.options.button) == "undefined" || Boolean(s.options.button) != false) {
var a = document.createElement("a");
a.className = 'stbutton stico_' + (s.options.style ? s.options.style : (SHARETHIS.options.style ? SHARETHIS.options.style : 'default'));
a.title = "ShareThis via email, AIM, social bookmarking and networking sites, etc.";
a.href = "#";
a.onclick = (Boolean(s.options.popup) == true ? s.popup : s.onClick);
var t = document.createElement("span");
t.className = 'stbuttontext';
t.appendChild(document.createTextNode(s.options.buttonText));
a.appendChild(t);
s.button = a;
if (typeof(s.options.bind) == "undefined" || Boolean(s.options.bind) != false) {
var id = 'sharethis_' + s.idx;
document.write('');
var x = document.getElementById(id);
if (x) {
x.appendChild(a);
}
}
}
if(this.logFlag){this.defer(function(){SHARETHIS.log('view', s)});}
return s;
},
share: function(sharelet){
this.selection();
this.widget.sharelet = sharelet;
this.widget.show(sharelet.options);
var f = SHARETHIS.form([sharelet]);
document.body.appendChild(f);
f.submit();
},
form: function(olist) {
field = function(k, v, brackets) {
var f = document.createElement("input");
f.type = "hidden";
f.name = (brackets == true ? k + "[]" : k);
f.value = v;
return f;
}
normalize = function(s){
if (s == null) {
return '';
}
return encodeURIComponent(s);
}
var f = document.createElement("form");
//f.className = "stform";
f.method = "post";
f.action = "http://sharethis.com/share/lightbox.php";
f.target = "stframe";
for (var j in this.meta) {
f.appendChild(field("meta_" + j, normalize(this.meta[j])));
}
for (var j in this.page.properties) {
f.appendChild(field("page_" + j, normalize(this.page.properties[j])));
}
for (var j in this.query) {
f.appendChild(field("query_" + j, normalize(this.query[j])));
}
for (var i=0; i < olist.length; i++) {
obj = olist[i];
for (var j in obj.properties) {
f.appendChild(field(j, normalize(obj.properties[j]), true));
}
for (var j in obj.options) {
f.appendChild(field("opts_"+j, normalize(obj.options[j]), false));
}
}
return f;
},
log: function(event, obj) {
var url = "http://r.sharethis.com/log?event=" + event
+ "&publisher=" + encodeURIComponent(SHARETHIS.meta.publisher)
+ "&hostname=" + encodeURIComponent(SHARETHIS.meta.hostname)
+ "&location=" + encodeURIComponent(SHARETHIS.meta.location)
+ "&url=" + encodeURIComponent(obj.properties.url)
+ "&ts" + (new Date()).getTime() + "." + SHARETHIS.counter++;
var logger = new Image(1,1);
logger.src = url;
logger.onload = function(){return;};
}
});
var _query = [];
_query.tabs = 'web,post,email';
_query.charset = 'utf-8';
_query.style = 'default';
_query.publisher = '6c39e755-572d-4472-b924-a3d1c4cb1339';
_query.headerbg = '#1476ac';
_query.inactivebg = '#3ca3d4';
_query.inactivefg = '#ffffff';
_query.linkfg = '#005597';
var SHARETHIS = new ShareThis(_query);
SHARETHIS.log('pview', SHARETHIS.page);
SHARETHIS.query = _query;
var st = SHARETHIS;
} // end if !SHARETHIS
// Don't run if called from HEAD, or if toolbar has been run
/*
var _slist = document.getElementsByTagName('script');
var _s = _slist[_slist.length - 1];
if (_s && _s.parentNode.tagName != "HEAD" && typeof(_sttoolbar) == "undefined") {
var obj = SHARETHIS.addEntry(null,$merge(_query,{bind:false}));
var id = 'sharethis_' + obj.idx;
document.write('');
var x = document.getElementById(id);
obj.bind(x);
}
*/