addElement({
id : "menu1",
leftId:"menu5",
rightId:"menu2",
upId:"menu5",
downId:"menu6",
onfocus:"onChangeImg('menu1','<%=PageConfigMap.getPicOver("1171101","")%>');",
onblur:"onChangeImg('menu1','clearInterval()');",
});
function onChangeImg(id,img){
document.getElementById(id).style.background="url(<%=filePath%>" + img +") no-repeat";
}
怎么样判断在onChangeImg中参数id与addElement中id相等?语句怎么写?