add: img.setAttribute ("title", matchText); 
context: function insertEar (matchText, containerTag){    if (client.smileyText)        containerTag.appendChild (document.createTextNode (matchText));    var img = document.createElementNS ("http://www.w3.org/1999/xhtml",                                        "html:img");    img.setAttribute ("src", client.IMAGEDIR + "face-ear.gif");    containerTag.appendChild (img);    }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/46bb0a91e48ccb14093b96dd06bb9ed98caa92a5/static.js/buggy/extensions/irc/xul/content/static.js