rem:  listitem.setAttribute('image', "moz-icon:" + " 
add: var iconSize = largeView ? kLargeIcon : kSmallIcon;  listitem.setAttribute('image', "moz-icon:" + " 
context: function setApplicationIconForAttachment(attachment, listitem){   // generate a moz-icon url for the attachment so we'll show a nice icon next to it.   listitem.setAttribute('image', "moz-icon:" + "//" + attachment.displayName + "?size=16&contentType=" + attachment.contentType);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3f0c6c4cc2391e27f4dfc9aef7e2d0656b6c4b57/msgHdrViewOverlay.js/buggy/mail/base/content/msgHdrViewOverlay.js