var AMAZON_ID = "sfsi0c-20";
var COMMENT_WIDGET_WIDTH=680;

function drawBar(name, percent, votes)
{
    var barWidth = 2 * percent;
    var voteLabel = (votes == 1) ? "vote" : "votes";
    document.writeln("<tr valign='top'>");
    document.writeln("<td align='right'><b>" + name + "</b>&nbsp;&nbsp;&nbsp;</td>");
    document.writeln("<td nowrap><img src='http://www.sfsignal.com/mt-static/images/pollbar.gif' border='0' height='10'  width='" + barWidth + "'> " + percent + "%</td>");
    document.writeln("<td align='left'>&nbsp;&nbsp;&nbsp;(" + votes + " " + voteLabel + ")</td>");
    document.writeln("</tr>");
}

function addBookLinkOnly(ISBN, title)
{
	document.write( "<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'><strong>" + title +"</strong></a>");
}

function addBookLinkWithStyle(ISBN, ourStyle)
{
	document.write( "<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'>" );
	document.writeln( "<img class= '" + ourStyle + "' src='http://images.amazon.com/images/P/"+ISBN+".01._SCLZZZZZZZ_SL160_.jpg' border='0'></a>");
}

function addBookLinkWithSize(ISBN, imgHeight)
{
	document.write( "<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'>" );
	document.writeln( "<img class= 'bookNoResize' src='http://images.amazon.com/images/P/"+ISBN+".01._SCLZZZZZZZ_SL" + imgHeight + "_.jpg' border='0'></a>");
}

function addBookLinkWithUrl(ISBN, imgUrl)
{
	document.write("<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'><img class='bookNoResize' src='" + imgUrl + "'></a>");
}

function addBookLink(ISBN)
{
    addBookLinkWithStyle(ISBN, "bookNoResize")
}

function addBookLinkPlain(ISBN, imgHeight)
{
	document.write("<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'><img style='border:1px solid black; margin: 2px;' src='http://images.amazon.com/images/P/" + ISBN + ".01._SCLZZZZZZZ_SL" + imgHeight + "_.jpg'></a>");
}

function addBookLinkPlainwUrl(ISBN, imgHeight, imgUrl)
{
	document.write("<a href='http://www.amazon.com/gp/product/" + ISBN + "?ie=UTF8&tag="+AMAZON_ID+"&linkCode=as2&camp=1789&creative=9325&creativeASIN="+ISBN+"'><img style='border:1px solid black; margin: 2px;' src='" + imgUrl + "'></a>");
}

function displayAuthorBlog(authorName, blogUrl, rssUrl)
{
    if (rssUrl == "")
    {
        document.write("<img src=\"http://www.sfsignal.com/mt-static/images/no-feed-icon-14x14.gif\" alt=\"No feed available\" title=\"No feed available\" title=\"No feed available\" border=\"0\"> ");
    }
    else
    {
        document.write("<a href=\"" + rssUrl + "\"><img src=\"http://www.sfsignal.com/mt-static/images/feed-icon-14x14.gif\" alt=\"Click to see feed\"  title=\"Click to see feed\" border=\"0\"></a> ");
    }
    document.write("&nbsp;");
    document.writeln("<a href=\"" + blogUrl + "\">" + authorName + "</a><br>");
}