Hal's House of English

\n") redrawNode(foldersTree, doc, 0, 1, "") doc.close() } //recursive function over the tree structure called by redrawTree function redrawNode(foldersNode, doc, level, lastNode, leftSide) { var j=0 var i=0 var numberOfFolders var numberOfDocs doc.write("\n") doc.write("\n

\n") doc.write(leftSide) if (level>0) if (lastNode) //the last 'brother' in the children array { doc.write("

") leftSide = leftSide + "

" } else { doc.write("

") leftSide = leftSide + "

" } displayIconAndLabel(foldersNode, doc) doc.write("

\n\n") if (foldersNode.length > 4 && foldersNode[0]) //there are sub-nodes and the folder is open { numberOfFolders = foldersNode.length - 4 - foldersNode[2] // display the folders level = level + 1 for (i=4 ; i < 4 + numberOfFolders; i++) { if (i == (foldersNode.length - 1)) redrawNode(foldersNode[i], doc, level, 1, leftSide) else redrawNode(foldersNode[i], doc, level, 0, leftSide) } // display the documents for ( i = 4 + numberOfFolders; i < foldersNode.length ; i++ ) { doc.write("") doc.write("") doc.write("

") doc.write(leftSide) if (i == foldersNode.length - 1) doc.write("

") else doc.write("

") doc.write("

") doc.write(foldersNode[i]) doc.write("

") } } } //builds the html code to display a folder and its label function displayIconAndLabel(foldersNode, doc) { doc.write("

") } else { doc.write("onMouseOver='window.status=\"Open folder\"; return true'>

") } doc.write("") doc.write(""+foldersNode[3]+"") } //********************** // Recursive functions //when a parent is closed all children also are function closeFolders(foldersNode) { var i=0 for (i=4; i< foldersNode.length - foldersNode[2]; i++) closeFolders(foldersNode[i]) foldersNode[0] = 0 foldersNode[1] = 0 } //recursive over the tree structure //called by openbranch function clickOnFolderRec(foldersNode, folderName) { var i=0 if (foldersNode[3] == folderName) { if (foldersNode[0]) closeFolders(foldersNode) else { foldersNode[0] = 1 foldersNode[1] = 1 } } else { for (i = 4 ; i < foldersNode.length - foldersNode[2]; i++) clickOnFolderRec(foldersNode[i], folderName) } } // ******************** // Event handlers //called when the user clicks on a folder function openBranch(branchName) { clickOnFolderRec(foldersTree, branchName) if (branchName==foldersTree[3] && foldersTree[0]==0) top.folderFrame.location="https://members.tripod.com/HalOtt/ESL/basefolder.htm" //closing the root folder //makes the welcome page to show timeOutId = setTimeout("redrawTree()",100) } //called after this html file is loaded function initializeTree() { generateTree() redrawTree() } var foldersTree = 0 var timeOutId = 0 var USETEXTLINKS = 0 generateTree() //sometimes when the user reloads the document Netscape 3.01 does not trigger the onLoad event (!!) // end hiding contents from old browsers --> <BODY> <P></P> <P></P> </body>