//下面为menu_comment.js
function fwLoadMenus() {
  if (window.fw_menu_0) return;
  window.fw_menu_0 = new Menu("root",92,20,"Verdana, Arial, Helvetica, sans-serif",12,"#6666ff","#ffffff","#FF9999","#6666ff");
  fw_menu_0.addMenuItem("Javascript","window.open('left.php', '_self');");
  fw_menu_0.addMenuItem("Css快速入门","window.open('left.php', '_self');");
  fw_menu_0.addMenuItem("JS在线资源","window.open('left.php', '_self');");
  fw_menu_0.addMenuItem("相关论坛","window.open('php3.php?part=4&&p=1', '_self');");
  fw_menu_0.fontWeight="solid";
fw_menu_0.hideOnMouseOut=true;
  window.fw_menu_1 = new Menu("root",92,20,"Verdana, Arial, Helvetica, sans-serif",12,"#6666ff","#ffffff","#FF9999","#6666ff");
  fw_menu_1.addMenuItem("Dreamwaver","window.open('left.php', '_self');");
  fw_menu_1.addMenuItem("Firework","window.open('left.php', '_self');");
  fw_menu_1.addMenuItem("Flash入门","window.open('left.php', '_self');");
  fw_menu_1.addMenuItem("Html教程","window.open('left.php', '_self');");
  fw_menu_1.addMenuItem("相关论坛","window.open('php3.php?part=3&&p=1', '_self');");
  fw_menu_1.fontWeight="solid";
fw_menu_1.hideOnMouseOut=true;
window.fw_menu_2 = new Menu("root",86,20,"Verdana, Arial, Helvetica, sans-serif",12,"#6666ff","#ffffff","#FF9999","#6666ff");
  fw_menu_2.addMenuItem("Mysql介绍","window.open('mysql1.php', '_self');");
  fw_menu_2.addMenuItem("在线下载","window.open('mysql2.php', '_self');");
  fw_menu_2.addMenuItem("学习教程","window.open('mysql4a.php', '_self');");
fw_menu_2.addMenuItem("Mysql论坛","window.open('php3.php?part=2&&p=1', '_self');");
fw_menu_2.fontWeight="solid";
fw_menu_2.hideOnMouseOut=true;
  window.fw_menu_3 = new Menu("root",76,20,"Verdana, Arial, Helvetica, sans-serif",12,"#6666ff","#ffffff","#FF9999","#6666ff");
  fw_menu_3.addMenuItem("安装配置","window.open('php1.php?id1=1&&id2=1', '_self');");
  fw_menu_3.addMenuItem("程序代码","window.open('php2.php?id1=2&&id2=1', '_self');");
  fw_menu_3.addMenuItem("学习教程","window.open('php4.php?id1=4&&id2=1', '_self');");
fw_menu_3.addMenuItem("PHP论坛","window.open('php3.php?part=1&&p=1', '_self');");
fw_menu_3.fontWeight="solid";
fw_menu_3.hideOnMouseOut=true;

  fw_menu_3.writeMenus();
} // fwLoadMenus()
//下面是fw_menu.js
function Menu(label, mw, mh, fnt, fs, fclr, fhclr, bg, bgh) {
 this.version = "990702 [Menu; menu.js]";
 this.type = "Menu";
 this.menuWidth = mw;
 this.menuItemHeight = mh;
 this.fontSize = fs||12;
 this.fontWeight = "plain";
 this.fontFamily = fnt||"arial,helvetica,verdana,sans-serif";
 this.fontColor = fclr||"#000000";
 this.fontColorHilite = fhclr||"#ffffff";
 this.bgColor = "#555555";
 this.menuBorder = 1;
 this.menuItemBorder = 1;
 this.menuItemBgColor = bg||"#cccccc";
 this.menuLiteBgColor = "#ffffff";
 this.menuBorderBgColor = "#777777";
 this.menuHiliteBgColor = bgh||"#000084";
 this.menuContainerBgColor = "#cccccc";
 this.childMenuIcon = "arrows.gif";
 this.items = new Array();
 this.actions = new Array();
 this.childMenus = new Array();

 this.hideOnMouseOut = true;

 this.addMenuItem = addMenuItem;
 this.addMenuSeparator = addMenuSeparator;
 this.writeMenus = writeMenus;
 this.FW_showMenu = FW_showMenu;
 this.onMenuItemOver = onMenuItemOver;
 this.onMenuItemAction = onMenuItemAction;
 this.hideMenu = hideMenu;
 this.hideChildMenu = hideChildMenu;

 if (!window.menus) window.menus = new Array();
 this.label = label || "menuLabel" + window.menus.length;
 window.menus[this.label] = this;
 window.menus[window.menus.length] = this;
 if (!window.activeMenus) window.activeMenus = new Array();
}

function addMenuItem(label, action) {
 this.items[this.items.length] = label;
 this.actions[this.actions.length] = action;
}
function addMenuSeparator() {
 this.items[this.items.length] = "separator";
 this.actions[this.actions.length] = "";
 this.menuItemBorder = 0;
}
// For NS6.  
function FIND(item) {
 if (document.all) return(document.all[item]);
 if (document.getElementById) return(document.getElementById(item));
 return(false);
}

function writeMenus(container) {
 if (window.triedToWriteMenus) return;

 if (!container && document.layers) {
  window.delayWriteMenus = this.writeMenus;
  var timer = setTimeout('delayWriteMenus()', 250);
  container = new Layer(100);
  clearTimeout(timer);
 } else if (document.all || document.hasChildNodes) {
  document.writeln('<SPAN ID="menuContainer"></SPAN>');
  container = FIND("menuContainer");
 }

 window.fwHideMenuTimer = null;
 if (!container) return;  
 window.triedToWriteMenus = true;  
 container.isContainer = true;
 container.menus = new Array();
 for (var i=0; i<window.menus.length; i++)  
  container.menus[i] = window.menus[i];
 window.menus.length = 0;
 var countMenus = 0;
 var countItems = 0;
 var top = 0;
 var content = '';
 var lrs = false;
 var theStat = "";
 var tsc = 0;
 if (document.layers) lrs = true;
 for (var i=0; i<container.menus.length; i++, countMenus++) {
  var menu = container.menus[i];
  if (menu.bgImageUp) {
menu.menuBorder = 0;
menu.menuItemBorder = 0;
  }
  if (lrs) {
var menuLayer = new Layer(100, container);
var lite = new Layer(100, menuLayer);
lite.top = menu.menuBorder;
lite.left = menu.menuBorder;
var body = new Layer(100, lite);
body.top = menu.menuBorder;
body.left = menu.menuBorder;
  } else {
content += ''+
'<DIV ID="menuLayer'+ countMenus +'" STYLE="position:absolute;z-index:1;left:10;top:'+ (i * 100) +';visibility:hidden;">n'+
'  <DIV ID="menuLite'+ countMenus +'" STYLE="position:absolute;z-index:1;left:'+ menu.menuBorder +';top:'+ menu.menuBorder +';visibility:hide;" onMouseOut="mouseoutMenu();">n'+
'  <DIV ID="menuFg'+ countMenus +'" STYLE="position:absolute;left:'+ menu.menuBorder +';top:'+ menu.menuBorder +';visibility:hide;">n'+
'';
  }
  var x=i;
  for (var i=0; i<menu.items.length; i++) {
var item = menu.items[i];
var childMenu = false;
var defaultHeight = menu.fontSize+6;
var defaultIndent = menu.fontSize;
if (item.label) {
 item = item.label;
 childMenu = true;
}
menu.menuItemHeight = menu.menuItemHeight || defaultHeight;
menu.menuItemIndent = menu.menuItemIndent || defaultIndent;
var itemProps = 'font-family:' + menu.fontFamily +';font-weight:' + menu.fontWeight + ';fontSize:' + menu.fontSize + ';';
if (menu.fontStyle) itemProps += 'font-style:' + menu.fontStyle + ';';
if (document.all)  
 itemProps += 'font-size:' + menu.fontSize + ';" onMouseOver="onMenuItemOver(null,this);" onClick="onMenuItemAction(null,this);';
else if (!document.layers) {
 itemProps += 'font-size:' + menu.fontSize + 'px;'; // zilla wants 12px.
}
var l;
if (lrs) {
 l = new Layer(800,body);
}
var dTag = '<DIV ID="menuItem'+ countItems +'" STYLE="position:absolute;left:0;top:'+ (i * menu.menuItemHeight) +';'+ itemProps +'">';
var dClose = '</DIV>'
if (menu.bgImageUp) {
 menu.menuBorder = 0;
 menu.menuItemBorder = 0;
 dTag = '<DIV ID="menuItem'+ countItems +'" STYLE="background:url('+menu.bgImageUp+');position:absolute;left:0;top:'+ (i * menu.menuItemHeight) +';'+ itemProps +'">';
 if (document.layers) {
  dTag = '<LAYER BACKGROUND="'+menu.bgImageUp+'" ID="menuItem'+ countItems +'" TOP="'+ (i * menu.menuItemHeight) +'" style="' + itemProps +'">';
  dClose = '</LAYER>';
 }
}
var textProps = 'position:absolute;left:' + menu.menuItemIndent + ';top:1;';
if (lrs) {
 textProps +=itemProps;
 dTag = "";
 dClose = "";
}

var dText = '<DIV ID="menuItemText'+ countItems +'" STYLE="' + textProps + 'color:'+ menu.fontColor +';">'+ item +'&nbsp</DIV>n<DIV ID="menuItemHilite'+ countItems +'" STYLE="' + textProps + 'top:1;color:'+ menu.fontColorHilite +';visibility:hidden;">'+ item +'&nbsp</DIV>';
if (item == "separator") {
 content += ( dTag + '<DIV ID="menuSeparator'+ countItems +'" STYLE="position:absolute;left:1;top:2;"></DIV>n<DIV ID="menuSeparatorLite'+ countItems +'" STYLE="position:absolute;left:1;top:2;"></DIV>n' + dClose);
} else if (childMenu) {
 content += ( dTag + dText + '<DIV ID="childMenu'+ countItems +'" STYLE="position:absolute;left:0;top:3;"><IMG SRC="'+ menu.childMenuIcon +'"></DIV>n' + dClose);
} else {
 content += ( dTag + dText + dClose);
}
if (lrs) {
 l.document.open("text/html");
 l.document.writeln(content);
 l.document.close();  
 content = '';
 theStat += "-";
 tsc++;
 if (tsc > 50) {
  tsc = 0;
  theStat = "";
 }
 status = theStat;
}
countItems++;
  }
  if (lrs) {
// focus layer
var focusItem = new Layer(100, body);
focusItem.visiblity="hidden";
focusItem.document.open("text/html");
focusItem.document.writeln("&nbsp;");
focusItem.document.close();  
  } else {
 content += '<DIV ID="focusItem'+ countMenus +'" STYLE="position:absolute;left:0;top:0;visibility:hide;" onClick="onMenuItemAction(null,this);">&nbsp;</DIV>n';
 content += '</DIV>n  </DIV>n</DIV>n';
  }
  i=x;
 }
 if (document.layers) {
  container.clip.width = window.innerWidth;
  container.clip.height = window.innerHeight;
  container.onmouseout = mouseoutMenu;
  container.menuContainerBgColor = this.menuContainerBgColor;
  for (var i=0; i<container.document.layers.length; i++) {
proto = container.menus[i];
var menu = container.document.layers[i];
container.menus[i].menuLayer = menu;
container.menus[i].menuLayer.Menu = container.menus[i];
container.menus[i].menuLayer.Menu.container = container;
var body = menu.document.layers[0].document.layers[0];
body.clip.width = proto.menuWidth || body.clip.width;
body.clip.height = proto.menuHeight || body.clip.height;
for (var n=0; n<body.document.layers.length-1; n++) {
 var l = body.document.layers[n];
 l.Menu = container.menus[i];
 l.menuHiliteBgColor = proto.menuHiliteBgColor;
 l.document.bgColor = proto.menuItemBgColor;
 l.saveColor = proto.menuItemBgColor;
 l.onmouseover = proto.onMenuItemOver;
 l.onclick = proto.onMenuItemAction;
 l.action = container.menus[i].actions[n];
 l.focusItem = body.document.layers[body.document.layers.length-1];
 l.clip.width = proto.menuWidth || body.clip.width + proto.menuItemIndent;
 l.clip.height = proto.menuItemHeight || l.clip.height;
 if (n>0) l.top = body.document.layers[n-1].top + body.document.layers[n-1].clip.height + proto.menuItemBorder;
 l.hilite = l.document.layers[1];
 if (proto.bgImageUp) l.background.src = proto.bgImageUp;
 l.document.layers[1].isHilite = true;
 if (l.document.layers[0].id.indexOf("menuSeparator") != -1) {
  l.hilite = null;
  l.clip.height -= l.clip.height / 2;
  l.document.layers[0].document.bgColor = proto.bgColor;
  l.document.layers[0].clip.width = l.clip.width -2;
  l.document.layers[0].clip.height = 1;
  l.document.layers[1].document.bgColor = proto.menuLiteBgColor;
  l.document.layers[1].clip.width = l.clip.width -2;
  l.document.layers[1].clip.height = 1;
  l.document.layers[1].top = l.document.layers[0].top + 1;
 } else if (l.document.layers.length > 2) {
  l.childMenu = container.menus[i].items[n].menuLayer;
  l.document.layers[2].left = l.clip.width -13;
  l.document.layers[2].top = (l.clip.height / 2) -4;
  l.document.layers[2].clip.left += 3;
  l.Menu.childMenus[l.Menu.childMenus.length] = l.childMenu;
 }
}
body.document.bgColor = proto.bgColor;
body.clip.width  = l.clip.width +proto.menuBorder;
body.clip.height = l.top + l.clip.height