<script language="javascript" type="text/javascript">
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function mmLoadMenus() {
if (window.mm_menu_0201102500_0) return;
window.mm_menu_0201102500_0 = new Menu("root",76,18,"",12,"","#FFFFFF","#E8F0F4","#B7D0DD","left","middle",3,0,1000,-5,7,true,true,true,0,true,true);
mm_menu_0201102500_0.addMenuItem("编辑内容","location='Untitled-2.htm'");
mm_menu_0201102500_0.addMenuItem("刷新","location='#'");
mm_menu_0201102500_0.addMenuItem("删除","location='#'");
mm_menu_0201102500_0.addMenuItem("帮助","location='#'");
mm_menu_0201102500_0.hideonMouseOut=true;
mm_menu_0201102500_0.bgColor='#000000';
mm_menu_0201102500_0.menuBorder=1;
mm_menu_0201102500_0.menuLiteBgColor='#FFFFFF';
mm_menu_0201102500_0.menuBorderBgColor='#777777';

mm_menu_0201102500_0.writeMenus();
} // mmLoadMenus()

function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</script>
<script language="javascript" src="mm_menu.js"></script>

他目前的代码是这样

this.childMenuIcon = "arrows.gif";
子菜单扩展标记（默认是个小黑箭头）

那么菜单前面加的图标该如何改变呢？5555，找不到哦