Lib.js_javascript techniques used in filemanage functions

var indexnum= 10;
var count= 0;


function Getmap (SFILENAME,SID) {

var uploadpic= ". /filetype/unknown.gif ";
var Sexten = sfilename.substring (Sfilename.lastindexof (".") +1,sfilename.length);

var creatediv = document.createelement ("div");
Creatediv.setattribute ("id", "myfile_" +sid);
Creatediv.style.height = "17px";
Creatediv.classname = "File_div";

strhtml = "<table border= ' 0 ' cellpadding= ' 0 ' cellspacing= ' 0 ' width= ' style= ' table-layout:fixed '" > "
strHTML + = "<tr><td width= ' 174 ' style= ' word-break:break-all ' ></> <font size=2> "+sfilename +" </font> </td> "
strHTML + = "<td width= ' ></td></tr></table> "

creatediv.innerhtml = strhtml;
document.getElementById ("Myfilesarea"). AppendChild (Creatediv);
document.getElementById (sId). style.display= "None"

Count + +;

Checkexist (SEXTEN,SID);

}

function Checkexist (XEXT,XID) {
var picurl= ". /filetype/"+xext+". gif ";

var url = "checkexist.asp?pic=" +xext+ "&pid=" +math.random ();

Xmlhttp.open ("Get", url, false);
Xmlhttp.onreadystatechange = function Sendinfo () {

if (xmlhttp.readystate = = 4) {
if (Xmlhttp.status = = 200) {
var response = Xmlhttp.responsetext;
if (response = = "Yes") {
document.getElementById (' Fileext_ ' +xid). Src=picurl;
}
}
}
}

Xmlhttp.send (NULL);


}


function Clearfiles (xId) {
document.getElementById ("Myfile_" +xid). Removenode (True);
document.getElementById (xId). style.display= "Block";
count--;
}




function Step1 () {
document.getElementById ("Step01"). Innerhtml= "<font size=2> First step: Update files and folders </font> "
var url = ".. /listall.asp?pid= "+math.random ();
Xmlhttp.open ("Get", url, True);
Xmlhttp.onreadystatechange = Step1ok;
Xmlhttp.send (NULL);
}

function Step1ok () {
if (xmlhttp.readystate = = 4) {
document.getElementById ("Step01"). Innerhtml= "<font size=2> First step: Update files and folders </font> "
document.getElementById ("Step02"). Innerhtml= "<font size=2> Second step: Delete invalid file </font> "
SetTimeout ("Step2 ()", 1000);
}
}

function Step2 () {
var url = ".. /delall.asp?pid= "+math.random ();
Xmlhttp.open ("Get", url, True);
Xmlhttp.onreadystatechange = Step2ok;
Xmlhttp.send (NULL);
}

function Step2ok () {
if (xmlhttp.readystate = = 4) {
document.getElementById ("Step02"). Innerhtml= "<font size=2> Step two: Delete invalid file </font> "
document.getElementById ("step03"). Innerhtml= "<font size=2> Third step: Set FTP space sync </font>
SetTimeout ("Step3 ()", 1000);
}
}

function Step3 () {
var url = "ftpformate.asp?pid=" +math.random ();
Xmlhttp.open ("Get", url, True);
Xmlhttp.onreadystatechange = Step3ok;
Xmlhttp.send (NULL);
}

function Step3ok () {
if (xmlhttp.readystate = = 4) {
document.getElementById ("step03"). Innerhtml= "<font size=2> Third step: Set up FTP space synchronization </font> "
SetTimeout ("Step4 ()", 1000);
}
}

function Step4 () {
document.getElementById ("Filemanage_update"). style.display= "None"
document.getElementById ("Filemanage_all"). style.display= "Block";
Showfiles ();
}


var tagstate;
Tagstate= "No"

function Showtag () {
if (tagstate== "no") {
document.getElementById ("arror_01"). src= ' Images/arror2.gif '
document.getElementById ("Intro"). style.display= "Block";
Tagstate= "yes";
}else{
document.getElementById ("arror_01"). src= ' Images/arror.gif '
document.getElementById ("Intro"). style.display= "None";
Tagstate= "No";
}
}

function Showtips (a) {
document.getElementById ("Layer_tips"). Innerhtml=a
document.getElementById ("Layer_tips"). style.display= "Block";
document.getElementById ("Layer_tips"). style.pixeltop=window.event.y+18;
document.getElementById ("Layer_tips"). style.pixelleft=window.event.x+12;
}

function Notips () {
document.getElementById ("Layer_tips"). style.display= "None";
}

function Showfileintro (a,b,c,d,e,f) {
var count
if (f== ') {
Count=0
}else{
Count=f
}
var htmlstr= "FileName: +a+" <br> "+" file directory: "+b+" <br> "+" File Size: "+c+" <br> "+" Upload time: "+d+" <br> "+" File Introduction: "+e+" <br> "+" File download times: "+count+" <br> "
document.getElementById ("Layer_fileintro"). Innerhtml=htmlstr
document.getElementById ("Layer_fileintro"). style.display= "Block";
document.getElementById ("Layer_fileintro"). style.pixeltop=window.event.y+18;
document.getElementById ("Layer_fileintro"). style.pixelleft=window.event.x+12;
}

function Nofileintro () {
document.getElementById ("Layer_fileintro"). style.display= "None";
}