tag 4 expandable posts

<b:if cond='data:blog.pageType != "item"'>
<script type="text/javascript">

var fade = false;
function showFull(id) {
 var post = document.getElementById(id);
        var spans = post.getElementsByTagName('span');
        for (var i = 0; i &lt; spans.length; i++) {
             if (spans[i].id == "fullpost") {
                 if (fade) {
                    spans[i].style.background = peekaboo_bgcolor;
                    Effect.Appear(spans[i]);
                } else spans[i].style.display = 'inline';
             }
             if (spans[i].id == "showlink")
                 spans[i].style.display = 'none';
             if (spans[i].id == "hidelink")
                 spans[i].style.display = 'inline';
        }
}


function hideFull(id) {
 var post = document.getElementById(id);
        var spans = post.getElementsByTagName('span');
        for (var i = 0; i &lt; spans.length; i++) {
             if (spans[i].id == "fullpost") {
                 if (fade) {
                   spans[i].style.background = peekaboo_bgcolor;
                   Effect.Fade(spans[i]);
                 } else spans[i].style.display = 'none';
             }
             if (spans[i].id == "showlink")
                 spans[i].style.display = 'inline';
             if (spans[i].id == "hidelink")
                 spans[i].style.display = 'none';
        }
        post.scrollIntoView(true);
}

function checkFull(id) {
 var post = document.getElementById(id);
        var spans = post.getElementsByTagName('span');
        var found = 0;
        for (var i = 0; i &lt; spans.length; i++) {
             if (spans[i].id == "fullpost") {
                 spans[i].style.display = 'none';
                 found = 1;
             }
             if ((spans[i].id == "showlink") &amp;&amp; (found == 0))
                 spans[i].style.display = 'none';
        }
}

</script>
</b:if>