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function outputfolderlink() {
if(this.hreference && this.target) {
doc.write("<a href=" + this.hreference + " target=\""+this.target.name+"\" ")
if(browserversion > 0) {
doc.write("onclick=javascript: clickonfolder("+this.id+")")
}
doc.write(">")
}
else
doc.write("<a>")
}
function addchild(childnode) {
selectfile[fentries]=childnode.desc;
fentries++;
this.children[this.nchildren] = childnode;
this.nchildren++;
return(childnode);
}
function foldersubentries() {
var i = 0;
var se = this.nchildren;
for(i = 0; i < this.nchildren; i++) {
if(this.children[i].children) //is a folder
se = se + this.children[i].subentries();
}
return(se)
}
// definition of class item (a document or link inside a folder)
function item(itemdescription, hreference, itemlink, itemimg,parentid) // constructor
{
// constant data
this.desc = itemdescription
this.link = itemlink
this.hreference = hreference;
this.id =index;
this.navobj = 0; //initialized in render()
this.iconimg = 0; //initialized in render()
// iconsrc俊 瘤沥登绰 捞固瘤 颇老阑 阿 酒捞袍俊 嘎霸 瘤沥且 荐 乐档废 茄促 (格钎)
this.iconsrc = itemimg;
// methods
this.initialize = initializeitem ;
this.createindex = createentryindex;
this.hide = hideitem;
this.display = display;
this.renderob = drawitem;
this.totalheight = totalheight;
this.parentid=parentid;
//alert(this.parent);
}
function hideitem() {
if(browserversion == 1) {
if(this.navobj.style.display == "none")
return;
this.navobj.style.display = "none"
}
else {
if(this.navobj.visibility == "hiden")
return;
this.navobj.visibility = "hiden";
}
}
function initializeitem(level, lastnode, leftside) {
this.createindex();
if(level > 0) {
if(lastnode) { //the last brother in the children array
this.renderob(leftside + "<img src="+imageurl+"ftv2lastnode.gif width=16 height=22>")
leftside = leftside + "<img src="+imageurl+"ftv2blank.gif width=16 height=22>"
}
else {
this.renderob(leftside + "<img src="+imageurl+"ftv2node.gif width=16 height=22>")
leftside = leftside + "<img src="+imageurl+"ftv2vertline.gif width=16 height=22>"
}
}
else
this.renderob("")
}
function drawitem(leftside) {
if(browserversion == 2)
doc.write("<layer id=item" + this.id + " top=" + doc.ypos + " visibility=hiden>");
doc.write("<table ");
if(browserversion == 1)
doc.write(" id=item" + this.id + " style=position:block; ");
doc.write(" border=0 cellspacing=0 cellpadding=0>");
doc.write("<tr><td>");
doc.write(leftside);
if(this.link != "") doc.write("<a onclik=\veiwfile("+this.id+")\ href=" + this.link + ">");
doc.write("<img id=itemicon"+this.id+" ")
doc.write("src="+this.iconsrc+" border=0>")
if(this.link != "")
doc.write("</a>");
doc.write("</td><td nowrap>");
doc.write("<div class=\"fldritem\">");
if(usetextlinks) {
if(this.link != "")
doc.write("<a onclick=\veiwfile("+this.id+")\ href=" + this.link + ><font size="2" color="+linkcolor+">+ this.desc + "</font></a>");
else
doc.write(this.desc);
}
else {
doc.write(this.desc);
}
doc.write("</div>");
doc.write("</table>")
if(browserversion == 2)
doc.write("</layer>");
if(browserversion == 1) {
this.navobj = doc.all["item"+this.id]
this.iconimg = doc.all["itemicon"+this.id]
}
else if(browserversion == 2) {
this.navobj = doc.layers["item"+this.id];
this.iconimg = this.navobj.document.images["itemicon"+this.id];
doc.ypos = doc.ypos+this.navobj.clip.height;
}
}
function addposition(id,str1){
if(id>0){
clickedfolder = indexofentries[id];
parentid=clickedfolder.parentid;
parentname=indexofentries[parentid];
pa=parentname.desc;
if(parentid==0)str=pa+str1;
else str=</font><font size=\"2\" color=\"#8f8f8f\">—></font><font size=\"2\" color="#aa0000">+pa+str1;
addposition(parentid,str);
}
}
var str="";
function veiwfile (msg) {
var typelogo=typeof top.logo;
if(typelogo=="undefined")return;
var tpyeframe=typeof top.logo.top1;
if(tpyeframe=="undefined")return;
objdocument= top.logo.top1;
var foldertext="";
if(msg==0)foldertext=selectfile[msg];
else {
str=</font><font size=\"2\" color=\"#8f8f8f\">—></font></font><font size=\"2\" color="#aa0000">+selectfile[msg];
addposition(msg,str);
foldertext=str;
}
objdocument.document.open();
objdocument.document.write(<font size=\"2\" color=\"#8f8f8f\"> 当前位置： </font> <font size=\"2\" color="#aa0000"> +foldertext+"</font>");
objdocument.document.close();
}
// methods common to both objects (pseudo-inheritance)
function display() {
if(browserversion == 1)
this.navobj.style.display = "block";
else
this.navobj.visibility = "show";
}
function createentryindex() {
indexofentries[nentries] = this;
nentries++;
}
// total height of subentries open
function totalheight() { //used with browserversion == 2
var h = this.navobj.clip.height;
var i = 0;
if(this.isopen) { // is a folder and _is_ open
for(i = 0 ; i < this.nchildren; i++)
h = h + this.children[i].totalheight();
}
return h
}
// events
function clickonfolder(folderid) {
var clicked = indexofentries[folderid];
if(!clicked.isopen)
clickonnode(folderid);
if(clicked.isselected)
return;
}
function clickonnode(folderid) {
var clickedfolder = 0;
var state = 0;
clickedfolder = indexofentries[folderid];
state = clickedfolder.isopen;
if (!state){
if(clickedfolder.target)clickedfolder.target.location=clickedfolder.hreference; //点击folder时显示相关链接页面
veiwfile(folderid);
}
clickedfolder.setstate(!state); //open<->close
}
function initializedocument() {
if(doc.all)
browserversion = 1; //ie4
else if(doc.layers)
browserversion = 2; //ns4
else
browserversion = 0; //other
folderstree.initialize(0, 1, "");
//folderstree.display();
if(browserversion > 0) {
doc.write("<layer top="+indexofentries[nentries-1].navobj.top+"> </layer>");
// close the whole tree
clickonnode(0);
// open the root folder
clickonnode(0);
}
}
// auxiliary functions for folder-treee backward compatibility
function gfldr(description, hreference,parentid,target) {
var des;
index++;
if(fentries==0){
selectfile[fentries]=description;
fentries++;
}
des=description;
folder = new folder(des, hreference,parentid,target);
return(folder);
}
function glnk(target, description, linkdata, itemimg,parentid) {
fulllink = ""
if(target == 0 ||target=="") {
if(linkdata != "")
fulllink = ""+linkdata+" target=\"_blank\"";//显示在新开的窗体中
else
fulllink = "";
}
if(target == 1) {
if(linkdata != "" )
fulllink = ""+linkdata+" target=\"_slef\"";//显示在表单所在的框架或窗体中
else
fulllink = "";
}
else if(target == 2) {
if(linkdata != "")
fulllink = ""+linkdata+" target=\"_parent\""; //显示在包含表单的框架的父框架中
else
fulllink = "";
}
else if(target == 3) {
if(linkdata != "")
fulllink = ""+linkdata+" target=\"_top\"";//显示在顶层窗体中
else
fulllink = "";
}
else {//alert(target);
if(linkdata != "")
fulllink = ""+linkdata+" target="+target;//显示在target窗体中
else
fulllink = "";
}
index++; //当前节点编号
linkitem = new item(description, linkdata, fulllink, itemimg,parentid)
return linkitem
}
function insfldr(parentfolder, childfolder,target,hreference) {
var child;
var desc;
parentid=parentfolder.id;
child=gfldr(childfolder,hreference,parentid,target);
return(parentfolder.addchild(child));
}
function insdoc(parentfolder,target, description, linkdata, itemimg) {
var document;
var itemimg;
itemimg=imageurl+"bu.gif";
var desc;
parentid=parentfolder.id;
document=glnk(target, description, linkdata, itemimg,parentid);
parentfolder.addchild(document);
}
function setobjdocument(msg){
if (msg!=null){
objdocument=msg;
}
}
//设置展开、收缩图片路径
function setimageurl(msg){
if (msg==null){
imageurl="../leftfiles/images/";
}else imageurl=msg;
}
//设置超链接文本颜色
function setlinkcolor(msg){
linkcolor=msg;
}
function setflodercolor(msg){
flodercolor=msg;
}
// global variables
usetextlinks = 1;
indexofentries = new array;
nentries = 0;
index=-1; //节点编号
doc = document;
browserversion = 0;
selectedfolder = 0;
selectfile=new array;
fentries=0;
var objdocument,imageurl;
var linkcolor="#085dde";
var flodercolor="#292c08";
var type1=typeof top.logo;
if (type1=="undefined"){
objdocument=null;
}
if(imageurl==null){
setimageurl(imageurl);
}
