帮忙写一下注释，好吗？有些地方不太懂

Question

第2个文件(上半部分):fav2.js
OB_Top=70;
OB_Left=150;
OB_Margin=10; //top and bottom margins between icons and borders
OB_Width=80; //bar width
OB_Height=250; //bar height
OB_SlideSpeed=2.3;
OB_BackgroundColor="ffffff";
OB_ItemsSpacing=0;
OB_BorderWidth=1;
OB_BorderStyle="ridge";
OB_BorderColor="#3366CC";
OB_IconsWidth=20;
OB_IconsHeight=10;
OB_ButtonFontFamily="穝灿砰";
OB_ButtonFontSize=10;
OB_ButtonFontColor="ffffff";
OB_ButtonHeight=20;
OB_LabelFontFamily="穝灿砰";
OB_LabelFontSize=10;
OB_LabelFontColor="white";
OB_LabelMargin=0;
OB_UpArrow="down.gif";
OB_DownArrow="up.gif";
OB_ArrowWidth=12;
OB_ArrowHeight=12;
OB_ArrowSlideSpeed=10;function MakeItems(Folder,zorder,top)
{
var items=0;
var folderWidth=(OB_Width-OB_BorderWidth*2);
while(Folder[items+1])
items+=4;
items/=4;
document.write("<DIV id='OB_Folder"+zorder+"' style='position:absolute;left:0;top:"+top+";width:"+folderWidth+";height:"+(OB_Margin*2+items*(OB_IconsHeight+OB_LabelFontSize+OB_LabelMargin)+(items-1)*OB_ItemsSpacing)+";z-index:"+zorder+";clip:rect(0 0 0 0);'>");
for(var i=1;i<items*4;i+=4)
{
//document.write("<div targetFrame='"+Folder[i+3]+"' link='"+Folder[i+2]+"' onMouseDown='OutlookLikeBar.ItemClicked(this)' onMouseUp='OutlookLikeBar.ItemSelected(this)' onMouseOver='OutlookLikeBar.OverItems(this)' onMouseOut='OutlookLikeBar.OutItems(this)' style='position:absolute;left:"+(Math.ceil((OB_Width-OB_BorderWidth*2-OB_IconsHeight)/2)-1)+";top:"+(OB_Margin+Math.ceil((i-1)/4)*(OB_ItemsSpacing+OB_LabelFontSize+OB_IconsHeight))+";cursor:hand;clip:rect(0 "+OB_IconsWidth+" "+OB_IconsHeight+" 0;width:"+OB_IconsWidth+";height:"+OB_IconsHeight+"'>");
  //document.write("<img src='"+Folder[i]+"'>");
//document.write("</div>");         document.write("<div align='center' style='position:absolute;left:10;top:"+(OB_Margin+Math.ceil((i-1)/4)*(OB_ItemsSpacing+OB_LabelFontSize+OB_IconsHeight))+";font-family:"+OB_LabelFontFamily+";font-size:"+OB_LabelFontSize+"pt;color:"+OB_LabelFontColor+"'>");
document.write("<a  href="+Folder[i+2]+"  target="+Folder[i+3]+">"+Folder[i+1]+"</a>");
document.write(Folder[i]);
document.write("</div>");
}
document.write("</DIV>");
}function OutBar(width,height,items,buttonHeight,borderWidth,slideSpeed,slideArrowValue,ArrowSlideSpeed,buttonwidth)
{
this.=1;
this.currentItem=null;
this.slideCount=0;
this.slideStep=1;
this.slideArrowValue=slideArrowValue;
this.slideSpeed=slideSpeed;
this.borderWidth=borderWidth;
this.width=width;
this.visibleAreaHeight=height-2*borderWidth-items*buttonHeight;
this.visibleAreaWidth=width;
this.FolderClicked=FolderClicked;
this.SlideFolders=SlideFolders;
this.ItemClicked=ItemClicked;
this.ItemSelected=ItemSelected;
this.OverItems=OverItems;
this.OutItems=OutItems;
this.OverArrow=OverArrow;
this.OutArrow=OutArrow;
this.ArrowClicked=ArrowClicked;
this.ArrowSelected=ArrowSelected;
this.ArrowSlideSpeed=ArrowSlideSpeed;
this.SlideItems=SlideItems;
this.SlideItemsAction=SlideItemsAction;
this.Start=Start;
this.ClipFolder=ClipFolder;
this.SetArrows=SetArrows;
this.HideArrows=HideArrows;
this.sliding=false;
this.items=items;
this.started=false;
this.Start();
}function FolderClicked(folder)
{
if(this.sliding)
return;
if(folder==this.currentFolder)
return;
this.sliding=true;
this.slideCount=this.visibleAreaHeight;
this.slideStep=1;
this.countStep=0;
this.HideArrows();
this.SlideFolders(folder,document.all["OB_Button"+folder].position=="DOWN");
}function SlideFolders(folder,down)
{
var step;
if(down)
{
this.slideCount-=Math.floor(this.slideStep);
if(this.slideCount<0)
this.slideStep+=this.slideCount;
step=Math.floor(this.slideStep);
for(var i=2;i<=folder;i++)
if(document.all["OB_Button"+i].position=="DOWN")
{
document.all["OB_Button"+i].style.pixelTop-=step;
document.all["OB_Folder"+i].style.pixelTop-=step;
}     filter = /rect\((\d*)px (\d*)px (\d*)px (\d*)px\)/; var clipString=document.all["OB_Folder"+folder].style.clip;
var clip=clipString.match(filter);
this.ClipFolder(folder,parseInt(clip[1]),this.visibleAreaWidth,(parseInt(clip[3])+step),0); var clipString=document.all["OB_Folder"+this.currentFolder].style.clip;
var clip=clipString.match(filter);
this.ClipFolder(this.currentFolder,parseInt(clip[1]),this.visibleAreaWidth,(parseInt(clip[3])-step),0); this.slideStep*=this.slideSpeed;
if(this.slideCount>0)
setTimeout("OutlookLikeBar.SlideFolders("+folder+",true)",20);
else
{
for(var k=2;k<=folder;k++)
document.all["OB_Button"+k].position="UP";
this.currentFolder=folder;
this.SetArrows();
this.sliding=false;
}
}
else
{
this.slideCount-=Math.floor(this.slideStep);
if(this.slideCount<0)
this.slideStep+=this.slideCount;
step=Math.floor(this.slideStep);
for(var i=folder+1;i<=this.items;i++)
if(document.all["OB_Button"+i].position=="UP")
{
document.all["OB_Button"+i].style.pixelTop+=step;
document.all["OB_Folder"+i].style.pixelTop+=step;
}     filter = /rect\((\d*)px (\d*)px (\d*)px (\d*)px\)/; var clipString=document.all["OB_Folder"+folder].style.clip;
var clip=clipString.match(filter);
this.ClipFolder(folder,parseInt(clip[1]),this.visibleAreaWidth,(parseInt(clip[3])+step),0); var clipString=document.all["OB_Folder"+this.currentFolder].style.clip;
var clip=clipString.match(filter);
this.ClipFolder(this.currentFolder,parseInt(clip[1]),this.visibleAreaWidth,(parseInt(clip[3])-step),0); this.slideStep*=this.slideSpeed;
if(this.slideCount>0)
setTimeout("OutlookLikeBar.SlideFolders("+folder+",false)",20);
else
{
for(var k=folder+1;k<=this.items;k++)
document.all["OB_Button"+k].position="DOWN";
this.currentFolder=folder;
this.SetArrows();
this.sliding=false;
}
}
}

Answer 1

第2个文件(下半部分):fav2.js
function ItemClicked(item)
{
if(this.sliding)
return;
item.style.border="2 inset #ffffff";
}function ItemSelected(item)
{
if(this.sliding)
return;
item.style.border="1 outset #ffffff";
if(item.link.indexOf("javascript")!=-1)
eval(item.link)
else
eval(item.targetFrame+".location='"+item.link+"'");
}function OverItems(item)
{
if(this.sliding)
return;
item.style.border="1 outset #ffffff";
}function OutItems(item)
{
if(this.sliding)
return;
item.style.border="0 none black";
}function ArrowClicked(arrow)
{
if(this.sliding)
return;
arrow.style.border="1 inset #ffffff";
}function ArrowSelected(arrow)
{
if(this.sliding)
return;
arrow.style.border="0 none black";
this.SlideItems(arrow.id=="OB_SlideUp");
}function OverArrow(arrow)
{
if(this.sliding)
return;
arrow.style.border="1 outset #ffffff";
}function OutArrow(arrow)
{
if(this.sliding)
return;
arrow.style.border="0 none black";
}function ClipFolder(folder,top,right,bottom,left)
{
document.all["OB_Folder"+folder].style.clip=clip='rect('+top+' '+right+' '+bottom+' '+left+')';
}function Start()
{
if(!this.started)
{
this.ClipFolder(1,0,this.visibleAreaWidth,this.visibleAreaHeight,0);
this.SetArrows();
}
}function SetArrows()
{
document.all["OB_SlideUp"].style.pixelTop=document.all["OB_Button"+this.currentFolder].style.pixelTop+document.all["OB_Button"+this.currentFolder].style.pixelHeight+20;
document.all["OB_SlideUp"].style.pixelLeft=this.width-document.all["OB_SlideUp"].width-this.borderWidth-10;
document.all["OB_SlideDown"].style.pixelTop=document.all["OB_Button"+this.currentFolder].style.pixelTop+document.all["OB_Button"+this.currentFolder].style.pixelHeight+this.visibleAreaHeight-document.all["OB_SlideDown"].height-20;
document.all["OB_SlideDown"].style.pixelLeft=this.width-document.all["OB_SlideDown"].width-this.borderWidth-10; var folder=document.all["OB_Folder"+this.currentFolder].style;
var startTop=document.all["OB_Button"+this.currentFolder].style.pixelTop+document.all["OB_Button"+this.currentFolder].style.pixelHeight; if(folder.pixelTop<startTop)
document.all["OB_SlideDown"].style.visibility="visible";
else
document.all["OB_SlideDown"].style.visibility="hidden"; if(folder.pixelHeight-(startTop-folder.pixelTop)>this.visibleAreaHeight)
document.all["OB_SlideUp"].style.visibility="visible";
else
document.all["OB_SlideUp"].style.visibility="hidden";
}function HideArrows()
{
document.all["OB_SlideUp"].style.visibility="hidden";
document.all["OB_SlideDown"].style.visibility="hidden";
}function SlideItems(up)
{
this.sliding=true;
this.slideCount=Math.floor(this.slideArrowValue/this.ArrowSlideSpeed);
up ? this.SlideItemsAction(-this.ArrowSlideSpeed) : this.SlideItemsAction(this.ArrowSlideSpeed);
}function SlideItemsAction(value)
{
document.all["OB_Folder"+this.currentFolder].style.pixelTop+=value;
    filter = /rect\((\d*)px (\d*)px (\d*)px (\d*)px\)/;
    var clipString=document.all["OB_Folder"+this.currentFolder].style.clip;
    var clip=clipString.match(filter);
    this.ClipFolder(this.currentFolder,(parseInt(clip[1])-value),parseInt(clip[2]),(parseInt(clip[3])-value),parseInt(clip[4]));
this.slideCount--;
if(this.slideCount>0)
setTimeout("OutlookLikeBar.SlideItemsAction("+value+")",20);
else
{
if(Math.abs(value)*this.ArrowSlideSpeed!=this.slideArrowValue)
{
document.all["OB_Folder"+this.currentFolder].style.pixelTop+=(value/Math.abs(value)*(this.slideArrowValue%this.ArrowSlideSpeed));
    filter = /rect\((\d*)px (\d*)px (\d*)px (\d*)px\)/;
var clipString=document.all["OB_Folder"+this.currentFolder].style.clip;
var clip=clipString.match(filter);
    this.ClipFolder(this.currentFolder,(parseInt(clip[1])-(value/Math.abs(value)*(this.slideArrowValue%this.ArrowSlideSpeed))),parseInt(clip[2]),(parseInt(clip[3])-(value/Math.abs(value)*(this.slideArrowValue%this.ArrowSlideSpeed))),parseInt(clip[4]));
}
this.SetArrows();
this.sliding=false;
}
}

Answer 2

第3个文件（上）：var selectedItem = null;var targetWin;document.onclick = handleClick;
document.onmouseover = handleOver;
document.onmouseout = handleOut;
document.onmousedown = handleDown;
document.onmouseup = handleUp;document.write(writeSubPadding(10));  //write the stylesheet for the sub. Getting the indention rightfunction handleClick() {
el = getReal(window.event.srcElement, "tagName", "DIV"); if ((el.className == "topFolder") || (el.className == "subFolder")) {
el.sub = eval(el.id + "Sub");
if (el.sub.style.display == null) el.sub.style.display = "none";
if (el.sub.style.display != "block") {
if (el.parentElement.openedSub != null) {
var opener = eval(el.parentElement.openedSub + ".opener");
hide(el.parentElement.openedSub);
if (opener.className == "topFolder")
outTopItem(opener);
}
el.sub.style.display = "block";
el.sub.parentElement.openedSub = el.sub.id;
el.sub.opener = el;
}
else {
if (el.sub.openedSub != null) hide(el.sub.openedSub);
else hide(el.sub.id);
}
} if ((el.className == "subItem") || (el.className == "subFolder")) {
if (selectedItem != null)
restoreSubItem(selectedItem);
highlightSubItem(el);
} if ((el.className == "topItem") || (el.className == "topFolder")) {
if (selectedItem != null)
restoreSubItem(selectedItem);
} if ((el.className == "topItem") || (el.className == "subItem")) {
if ((el.href != null) && (el.href != "")) {
if ((el.target == null) || (el.target == "")) {
if (window.opener == null) {
// alert(document.all.tags("BASE").item(0));
if (document.all.tags("BASE").item(0) != null)
// eval(document.all.tags("BASE").item(0).target + ".location = el.href");
window.open(el.href, document.all.tags("BASE").item(0).target);
else
window.location = el.href; // HERE IS THE LOADING!!!
}
else {
window.opener.location =  el.href;
}
}
else {
window.open(el.href, el.target);
// eval(el.target + ".location = el.href");
}
}
} var tmp  = getReal(el, "className", "favMenu");
if (tmp.className == "favMenu") fixScroll(tmp);}function handleOver() {
var fromEl = getReal(window.event.fromElement, "tagName", "DIV");
var toEl = getReal(window.event.toElement, "tagName", "DIV");
if (fromEl == toEl) return; el = toEl; if ((el.className == "topFolder") || (el.className == "topItem")) overTopItem(el);
if ((el.className == "subFolder") || (el.className == "subItem")) overSubItem(el); if ((el.className == "topItem") || (el.className == "subItem")) {
if (el.href != null) {
if (el.oldtitle == null) el.oldtitle = el.title;
if (el.oldtitle != "")
el.title = el.oldtitle + "\n" + el.href;
else
el.title = el.oldtitle + el.href;
}
} if (el.className == "scrollButton") overscrollButton(el);
}function handleOut() {
var fromEl = getReal(window.event.fromElement, "tagName", "DIV");
var toEl = getReal(window.event.toElement, "tagName", "DIV");
if (fromEl == toEl) return; el = fromEl; if ((el.className == "topFolder") || (el.className == "topItem")) outTopItem(el);
if ((el.className == "subFolder") || (el.className == "subItem")) outSubItem(el);
if (el.className == "scrollButton") outscrollButton(el);
}function handleDown() {
el = getReal(window.event.srcElement, "tagName", "DIV"); if (el.className == "scrollButton") {
downscrollButton(el);
var  = Math.max(el.id.indexOf("Up"), el.id.indexOf("Down"));
var type = el.id.substr();
var menuID = el.id.substring(0,);
eval("scroll" + type + "(" + menuID + ")");
}
}function handleUp() {
el = getReal(window.event.srcElement, "tagName", "DIV"); if (el.className == "scrollButton") {
upscrollButton(el);
window.clearTimeout(scrolltimer);
}
}////////////////////// EVERYTHING IS HANDLED ////////////////////////////function hide(elID) {
var el = eval(elID);
el.style.display = "none";
el.parentElement.openedSub = null;
if (el.openedSub != null) hide(el.openedSub);
}function writeSubPadding(depth) {
var str, str2, val; var str = "<style type='text/css'>\n"; for (var i=0; i < depth; i++) {
str2 = "";
val  = 0;
for (var j=0; j < i; j++) {
str2 += ".sub "
val += 22;
}
str += str2 + ".subFolder {padding-left: " + val + "px;}\n";
str += str2 + ".subItem   {padding-left: " + val + "px;}\n";
} str += "</style>\n";
return str;
}
function overTopItem(el) {
with (el.style) {
background   = "buttonface";
borderLeft   = "1px solid buttonhighlight";
borderRight  = "1px solid buttonshadow";
borderTop    = "1px solid buttonhighlight";
borderBottom = "1px solid buttonshadow";
paddingBottom = "2px";
}
}

Answer 3

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已经发出，请收信

Answer 4

注释代码已经在Email里发出，请接收