var txtVersion = "1.1";
var addtoInterval = null;
var popupWin = '';

var sns = [
	 {name:'Facebook',		image: 'facebook.gif',	url: 'http://www.facebook.com/share.php?',	urlVar: 'u',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Twitter',		image: 'twitter.gif',	url: 'http://twitter.com/?',	urlVar: 'status',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Del.icio.us',	image: 'delicious.gif',	url: 'http://del.icio.us/post?',			urlVar: 'url',	titleVar: 'title',	noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Digg',			image: 'digg.gif',		url: 'http://digg.com/submit?',				urlVar: 'url',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '&phase: 2' },
	 {name:'Reddit',		image: 'AddTo_Reddit.png',		url: 'http://reddit.com/submit?',			urlVar: 'url',	titleVar: 'title',	noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Stumbleupon',	image: 'stumbleupon.gif',	url: 'http://www.stumbleupon.com/submit?',	urlVar: 'url',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Yahoo! MyWeb',	image: 'yahoo.gif',		url: 'http://myweb2.search.yahoo.com/myresults/bookmarklet?', urlVar: 'u', titleVar: 't',	noteVar: '', returnVar: '', otherVars: '&d: &ei: UTF-8' },
	 {name:'Google',		image: 'google.gif',		url: 'http://fusion.google.com/add?',		urlVar: 'feedurl',	titleVar: '',	noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Windows Live',	image: 'AddTo_Live.png',		url: 'https://favorites.live.com/quickadd.aspx?', urlVar: 'url', titleVar: '',	noteVar: '',	returnVar: '',	otherVars: '&marklet: 1&mkt: en-us&top: 1' },
	 {name:'Mixx',		image: 'mixx.gif',	url: 'http://www.mixx.com/submit?',	urlVar: 'page_url',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '' },
	 {name:'Newsvine',		image: 'newsvine.gif',	url: 'http://www.newsvine.com/_wine/save?',	urlVar: 'u',	titleVar: '',		noteVar: '',	returnVar: '',	otherVars: '' }
];

function DrawLink(index, cellClass)
{
	document.write("<a  title=\"Add this page to " + sns[index].name + "\" ");
	document.write("onclick=\"return addto(" + index.toString() + ");\" href=\"#\"><img src=\"/images/share/" + sns[index].image + "\" ");
	document.write("width=\"16\" height=\"16\" border=\"0\" />" + /*sns[index].name +*/ "</a> ");
}

function DrawLinks(cols, width, headClass, cellClass) 
{
	if (cols > sns.length) 
	{
		for (var i = 0; i < sns.length; i++)
		{
			DrawLink(i, cellClass)
			document.write(" ");
		}
	} else {
		document.writeln("<table width=\"" + width.toString() + "\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>");
		document.writeln("<tr><td colspan=\"" + cols.toString() + "\"  height=\"16\">Add this article to:</td></tr>");
		for (var i = 0; i < sns.length; i++)
		{
			document.write("<td valign=\"middle\">");
			DrawLink(i, cellClass);
			document.writeln("</td>");
			if ( (((i+1)%cols) == 0) && (i != (sns.length-1))) document.writeln("</tr><tr>");
		}
		document.writeln("</td></tr></table>");
	}
}

function addtoWin(addtoFullURL)
{
	if (!popupWin.closed && popupWin.location){
		popupWin.location.href = addtoFullURL;
		var addtoInterval = setInterval("closeAddTo();",1000);
	}
	else{
		popupWin = window.open(addtoFullURL,'addtoPopUp','width=770px,height=500px,menubar=1,toolbar=1,status=1,location=1,resizable=1,scrollbars=1,left=0,top=100');
		var addtoInterval = setInterval("closeAddTo();",1000);
		if (!popupWin.opener) popupWin.opener = self;
	}
	if (window.focus) {popupWin.focus()}
	return false;
}
// closes the popupWin
function closeAddTo() {
	if (!popupWin.closed && popupWin.location){
		if (popupWin.location.href == AddURL)	//if it's the same url as what was bookmarked, close the win
		popupWin.close();
	}
	else {	//if it's closed - clear the timer
		clearInterval(addtoInterval)
		return true
	}
}

function addto(index){
	var addtoFullURL = sns[index].url + sns[index].urlVar + "=" + AddURL + "&" + sns[index].titleVar + "=" + AddTitle + sns[index].otherVars ;
	if (sns[index].noteVar != "") 
		addtoFullURL = addtoFullURL + "&" + sns[index].noteVar + "=" + AddTitle;
	if (sns[index].returnVar != "")
		addtoFullURL = addtoFullURL + "&" + sns[index].returnVar + "=" + AddURL;
	if (sns[index].name == "Twitter") 
		addtoFullURL = sns[index].url + sns[index].urlVar + "=" +  AddTitle + ' ' + AddURL ;


	switch(addtoMethod){
		case 0:	// 0=direct link
			self.location = addtoFullURL
			break
		case 1:	// 1=popup
			addtoWin(addtoFullURL);
			break
		default:	
	}
	return false;
}

function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-150;//150 is half popup's height
	popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}
function popupshare(windowname) {
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);		
}

//	checking across domains causes errors - this is to suppress these
function handleError() {return true;}
window.onerror = handleError;