rem: item.firstChild.childNodes.item(0).style.backgroundImage = imageUrl == null || imageUrl.length == 0 ? "" : "url(" + tw_BASE_PATH + "/resources/" + imageUrl + ")"; 
add: imageUrl = imageUrl == null || imageUrl.length == 0 ? "" : "url(" + tw_BASE_PATH + "/resources/" + imageUrl + ")";  if (item.className == "menuItem") { item.firstChild.childNodes.item(0).style.backgroundImage = imageUrl; } else { var s = item.firstChild.style; s.backgroundImage = imageUrl; s.backgroundRepeat = "no-repeat"; s.backgroundPosition = "center left"; s.paddingLeft = imageUrl == "" ? "" : "18px"; } 
context:     _setImageUrl: function(item, imageUrl) {        item.firstChild.childNodes.item(0).style.backgroundImage = imageUrl == null || imageUrl.length == 0 ? "" : "url(" + tw_BASE_PATH + "/resources/" + imageUrl + ")";    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/f92e9b34465915b5a9427afe1d7d625eccda8376/Menu.js/buggy/src/thinwire/render/web/resources/Menu.js