<?php $cats = get_the_category();
foreach( $cats as $cat ) { ?>
<script type='text/javascript'>
function addLink() {
    var selection = window.getSelection();

    var htmlDiv = document.createElement("div");
    for (var i = 0; i < selection.rangeCount; ++i) {
        htmlDiv.appendChild(selection.getRangeAt(i).cloneContents());
    }
    var selectionHTML = htmlDiv.innerHTML;

	var pagelink = "Source: <?php the_title(); ?> <a href='<?php echo get_permalink(get_the_ID()); ?>'><?php the_title(); ?></a> | <a href='<?php echo get_category_link($cat->term_id); ?>'><?php echo $cat->name; ?>"; 

    var copytext = selectionHTML + pagelink;

    var newdiv = document.createElement('div');
    newdiv.style.position = 'absolute';
    newdiv.style.left = '-99999px';

    document.body.appendChild(newdiv);
    newdiv.innerHTML = copytext;
    selection.selectAllChildren(newdiv);
    window.setTimeout(function () { document.body.removeChild(newdiv); }, 0);
}
document.oncopy = addLink;
</script>
<?php break;
} ?>

function getSelectionHtml() {
    var html = "";
    if (typeof window.getSelection != "undefined") {
        var sel = window.getSelection();
        if (sel.rangeCount) {
            var container = document.createElement("div");
            for (var i = 0, len = sel.rangeCount; i < len; ++i) {
                container.appendChild(sel.getRangeAt(i).cloneContents());
            }
            html = container.innerHTML;
        }
    } else if (typeof document.selection != "undefined") {
        if (document.selection.type == "Text") {
            html = document.selection.createRange().htmlText;
        }
    }
    return html;
}

var selection;
 selection = window.getSelection();

selection = getSelectionHtml();