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var textNodeType;
function textContent(n) {
    if ( n.nodeType == textNodeType ) {
	return n.data;
    } else {
	var children = n.childNodes;
	var t = "";
	for ( var i=0 ; i<children.length ; i++ ) {
	    t = t.concat(textContent(children.item(i)));
	}
	return t;
    }
}
function despam() {
    // MSIE seems to barf...  Deactivate for now
    if ( (/MSIE *[1-6]\./).test(navigator.userAgent) )
	return;
    // Now replace as appropriate.
    var elts = document.getElementsByTagName("span");
    for ( var i=0 ; i<elts.length ; i++ ) {
	var elt = elts.item(i);
	if ( elt.className == "replace-commercial-at" ) {
	    elt.parentNode.replaceChild(document.createTextNode("@"),elt);
	    i--;  // Semi-bugware
	} else if ( elt.className == "replace-full-stop" ) {
	    elt.parentNode.replaceChild(document.createTextNode("."),elt);
	    i--;  // Semi-bugware
	}
    }
    // Merge adjacent text nodes.
    try {
	document.normalize();  // Your DOM is BROKEN!
    } catch (exn) {
	document.documentElement.normalize();
    }
    // Next, process all <a> elements having class="despammed-address".
    elts = document.getElementsByTagName("a");
    for ( var i=0 ; i<elts.length ; i++ ) {
	var elt = elts.item(i);
	if ( elt.className == "despammed-address" ) {
	    var addr = "mailto:".concat(textContent(elt));
	    elt.setAttribute("href",addr);  // (abstract)
	    elt.href = addr;  // (semantic)
	}
    }
}
function onLoad() {
    // Start with some bugware...
    try {
	textNodeType = Node.TEXT_NODE;
    } catch (exn) {  // Your DOM is BROKEN!
	textNodeType = 3;
    }
    // Now despam email adresses.
    despam();
}