Beta (only ie5.5 support, and a page where one can only release) 
  Collect views 

  Features: 
  1. Dynamic analysis, intelligent folding ctrl Enter mandatory renewal 
  2.tab key export two spaces (if constituency lines, prior to joining the two spaces, at the same time shift button on the contrary), Ctrl T to replace \ t for the two spaces 
  3. Automatic indentation Enter 
  4.Ctrl W Preview 

  Restrictions: 
  1. Cancel the pop-up menu (shear paste can be copied using the keyboard) 
  2. Not support drag-and-drop text 
  3.Ctrl Z will cancel all operations 
  4. Block beginning and ending testing not strict and does not consider vbscript 
  5. Operating efficiency to be improved 

<style>
  body ( 
  Text-align: center; 
  ) 
  OTxt # # (oBox 
  Height: 440px; 
  Border: none; 
  Border: 1px solid # 666666; 
  ) 
  (# OTxt 
  Width: 740px; 
  Color: # 333333; 
  Background-color: # f0f0f0; 
  Font-family: verdana; 
  Font-size: 11px; 
  Line-height: 13px; 
  Margin-left: 16px; 
  Overflow: auto; 
  Border-left: none; 
  Scrollbar-arrow-color: # 666666; 
  Scrollbar-base-color: # 666666; 
  Scrollbar-darkshadow-color: # f0f0f0; 
  Scrollbar-face-color: # f0f0f0; 
  ) 
  (# OBox 
  Position: absolute; 
  Width: 15px; 
  Overflow-y: hidden; 
  Background-color: # e0e0e0; 
  Padding-top: 1px; 
  Margin-top: 1px; 
  Padding-bottom: 19px; 
  Border-right: none; 
  ) 
  </ Style> 
<script>
  / * 
  Beta (only ie5.5 support, and a page where one can only release) 
  Collect views 

  Features: 
  1. Dynamic analysis, intelligent folding ctrl Enter mandatory renewal 
  2.tab key export two spaces (if constituency lines, prior to joining the two spaces, at the same time shift button on the contrary), Ctrl T to replace \ t for the two spaces 
  3. Automatic indentation Enter 
  4.Ctrl W Preview 

  Restrictions: 
  1. Cancel the pop-up menu (shear paste can be copied using the keyboard) 
  2. Not support drag-and-drop text 
  3.Ctrl Z will cancel all operations 
  4. Block beginning and ending testing not strict and does not consider vbscript 
  5. Operating efficiency to be improved 
  * / 
  Window.onload = function () ( 
  OBox.mLine = "http://free.txd.cn/mozart0/img/line.gif"; 
  OBox.mPlus = "http://free.txd.cn/mozart0/img/plus.gif"; 
  OBox.mMinus = "http://free.txd.cn/mozart0/img/minus.gif"; 
  OBox.mEnd = "http://free.txd.cn/mozart0/img/end.gif"; 
  OBox.isPlus = function (o) ( 
  Return / plus \. / .test (O.src); 
  ) 
  OBox.isMinus = function (o) ( 
  Return / minus \. / .test (O.src); 
  ) 
  OBox.isLine = function (o) ( 
  Return / line \. / .test (O.src); 
  ) 
  OBox.isEnd = function (o) ( 
  Return / end \. / .test (O.src); 
  ) 
  OBox.childrenVisible = function (index) ( 
  This.children var t = [index]; 
  While (t.style.display == "none") 
  T = t.nextSibling; 
  Var x = t.offsetTop / t.height; 
  While (x <index) ( 
  T = t.nextSibling; 
  If (t.style.display! = "None") 
  X; 
  ) 
  Return t; 
  ) 
  OBox.hideBlock = function (index) ( 
  Var n = 1, x = 1; 
  Var c = this.children; 
  C [index]. Src = this.mPlus; 
  While (index <c.length & n) ( 
  Var t = c [index]; 
  If (t.style.display! = "None") ( 
  X; 
  T.style.display = "none"; 
  ) 
  If (this.isEnd (t)) 
  N -; 
  Else if (! This.isLine (t)) 
  N; 
  ) 
  Return x; 
  ) 
  OBox.showBlock = function (index, b) ( 
  Var index0 = index, c = oBox.children; 
  C [index]. Src = b? This.mMinus: this.mPlus; 
  C [index]. Style.display = "block"; 
  Index; 
  If (b) 
  While (index <c.length) ( 
  Var t = c [index]; 
  If (this.isLine (t)) ( 
  T.style.display = "block"; 
  Index; 
  ) 
  Else if (this.isEnd (t)) ( 
  T.style.display = "block"; 
  Break; 
  ) 
  Else 
  Index = this.showBlock (index, this.isMinus (t)) 
  ) 
  Else ( 
  Var n = 1; 
  While (index <c.length) ( 
  Var t = c [index]; 
  T.style.display == "none"; 
  If (this.isEnd (t)) ( 
  If (- n == 0) 
  Break; 
  ) 
  Else if (! This.isLine (t)) 
  N; 
  Index; 
  ) 
  ) 
  Return index-index0 1; 
  ) 
  OBox.refresh = function (o, str) ( 
  O.src = this.judge (str); 
  O.storeText = str; 
  ) 
  OBox.judge = function (s) ( 
  Var l = / \ (/. Test (s), r = / \) /. Test (s); 
  If (l & &! R) 
  Return this.mMinus; 
  If (! L & r) 
  Return this.mEnd; 
  S = s.replace (/ <(\ w) .* <\ / \ 1> / g, "<$ 1 />"); 
  L = / ^ \ s * <\ w [^ \ /] [> \ r] /. Test (s); 
  R = / \ /> /. Test (s); 
  If (l & &! R) 
  Return this.mMinus; 
  R = / <\ / \ w> /. Test (s); 
  If (r) 
  Return this.mEnd; 
  Return this.mLine; 
  ) 
  OBox.onclick = function () ( 
  Var o = event.srcElement; 
  If (o == this) 
  Return; 
  Var vIndex = (o.offsetTop-1) / oTxt.lineHeight; 
  Var index = vIndex; 
  This.children var t = [vIndex]; 
  While (t! = O) ( 
  T = t.nextSibling; 
  Index; 
  ) 
  If (this.isMinus (o)) 
  OTxt.hideLines (vIndex, this.hideBlock (index)); 
  Else if (this.isPlus (o)) 
  OTxt.showLines (vIndex, this.showBlock (index, true)); 
  OBox.scrollTop = oTxt.scrollTop; 
  ) 
  OTxt.lineHeight = 13; 
  OTxt.strSpecial ="......"; 
  OTxt.regSpecial = / \. (6) \ r? $ /; 
  OTxt.strTab = ""; 
  OTxt.bFixed = false; 
  OTxt.originalValue = oTxt.value; 
  OTxt.trueValue = function () ( 
  For (var s = "", c = oBox.children, i = 0; i <c.length-1; i) 
  S = c [i]. StoreText "\ n"; 
  Return sc [i]. StoreText; 
  ) 
  OTxt.lineNumber = function (r) ( 
  Var t = this.createTextRange (); 
  Return Math.round ((r.boundingTop-t.boundingTop) / this.lineHeight); 
  ) 
  OTxt.rngAtHome = function (r) ( 
  Var t = this.createTextRange (); 
  T.boundingLeft return r.boundingLeft == == & r.boundingTop t.boundingTop; 
  ) 
  OTxt.rngAtEnd = function (r) ( 
  Var t = this.createTextRange (); 
  T.collapse (false); 
  T.boundingLeft return r.boundingLeft == == & r.boundingTop t.boundingTop; 
  ) 
  OTxt.hideLines = function (ifrom, n) ( 
  Var a = this.value.match (/. / Mg); 
  For (var i = 1; i <n; i) 
  A [ifrom i ]=""; 
  A [ifrom] = a [ifrom]. Replace (/ \ r /, this.strSpecial); 
  If (ifrom n <a.length) 
  A [ifrom] = "\ r"; 
  This.value = a.join (""); 
  ) 
  OTxt.showLines = function (ifrom, n) ( 
  Var a = this.value.match (/. / Mg); 
  Var t = oBox.childrenVisible (ifrom). NextSibling; 
  For (var s = "" i = 0, t & i <n-1, i, t = t.nextSibling) 
  If (t.style.display! = "None") ( 
  If (! OBox.isPlus (t)) 
  S = t.storeText; 
  Else 
  S = t.storeText.replace (/ \ r? $ /, This.strSpecial "\ r"); 
  ) 
  A [ifrom] = a [ifrom]. Replace (this.regSpecial, "\ r" s); 
  This.value = a.join (""); 
  ) 
  OTxt.ondrag = 
  OTxt.ondrop = 
  OTxt.oncontextmenu = function () ( 
  Return false; 
  ) 
  OTxt.onscroll = function () ( 
  OBox.scrollTop = this.scrollTop; 
  ) 
  OTxt.onkeydown = function () ( 
  If (event.keyCode> = 33 & & event.keyCode <= 40) 
  Return true; 
  Var r = document.selection.createRange (); 
  Var t = oBox.childrenVisible (this.lineNumber (r)); 
  If (! R.text) ( 
  If (oBox.isPlus (t)) 
  Return false; 
  ) 
  Else ( 
  Var n = Math.floor (r.boundingHeight / this.lineHeight); 
  For (var i = 0, t1 = t.nextSibling; i <n & &t1; i, t1 = t1.nextSibling) 
  If (t1.style.display == "none") 
  Return false; 
  ) 
  This.bFixed = false; 
  Var k = event.keyCode; 
  If (k = 9) (/ / Tab 
  Var r1 = r.duplicate (); 
  If (r.boundingHeight> this.lineHeight) ( 
  If (! Event.shiftKey) ( 
  R.text = r.text.replace (/^(.)/ mg, this.strTab "$ 1"); 
  For (var i = 0, t = t1; i <n; i, t1 = t1.nextSibling) 
  T1.storeText = this.strTab t1.storeText; 
  ) 
  Else ( 
  Var reg = new RegExp ( "^" this.strTab, "mg"); 
  R.text = r.text.replace (reg ,""); 
  For (var i = 0, t = t1; i <n; i, t1 = t1.nextSibling) 
  T1.storeText = t1.storeText.replace (reg ,""); 
  ) 
  R.setEndPoint ( "StartToStart" r1) 
  R.select (); 
  This.bFixed = true; 
  ) 
  Else 
  Fix (r, this.strTab); 
  Return false 
  ) 
  If (k == 13) (/ / Enter 
  If (event.ctrlKey) 
  Build (); 
  Else ( 
  Var r1 = r.duplicate (); 
  Var x = this.createTextRange (); 
  This.scrollLeft = 0; 
  R1.moveToPoint (x.offsetLeft, r.offsetTop); 
  R1.setEndPoint ( "EndToStart", r); 
  Fix (r, "\ r \ n" r1.text.replace (/ \ S. */,"")); 
  ) 
  Return false; 
  ) 
  If (k == 46) (/ / Del 
  If (! R.boundingWidth) ( 
  If (this.rngAtEnd (r)) ( 
  This.bfixed = true; 
  Return; 
  ) 
  R.moveEnd ( "character", 1); 
  ) 
  Fix (r ,""); 
  Return false; 
  ) 
  If (k = 8) (/ / BackSpace 
  If (! R.boundingWidth) ( 
  If (this.rngAtHome (r)) ( 
  This.bfixed = true; 
  Return true; 
  ) 
  R.moveStart ( "character", -1); 
  ) 
  Fix (r ,""); 
  Return false; 
  ) 
  If (k == 87) (/ / ctrl W 
  If (! Event.ctrlKey) 
  Return true; 
  Try ( 
  This.win.navigate ( "about: blank"); 
  ) 
  Catch (e) ( 
  This.win = window.open ( "about: blank"); 
  ) 
  This.win.document.write (this.trueValue ()); 
  This.win.focus (); 
  This.win.document.close (); 
  Return false; 
  ) 
  If (k == 84) (/ / Ctrl T 
  If (! Event.ctrlKey) 
  Return true; 
  This.value.replace this.value = (/ \ t / g, this.strTab); 
  For (var i = 0, c = oBox.children; i <c.length; i) 
  C [i]. StoreText = c [i]. StoreText.replace (/ \ t / g, this.strTab); 
  OTxt.bFixed = true; 
  Return false; 
  ) 
  If (k == 86) (/ / Ctrl V 
  If (! Event.ctrlKey) 
  Return true; 
  Fix (r, clipboardData.getData ( "text")); 
  Return false; 
  ) 
  If (k == 88) (/ / Ctrl X 
  If (! Event.ctrlKey | |! R.boundingWidth) 
  Return true; 
  Var s = r.text; 
  If (! S) 
  For (var i = 0, n = Math.floor (r.boundingHeight / this.lineHeight); i <n; i) 
  S = "\ r \ n"; 
  Else ( 
  Var r1 = r.duplicate (); 
  R1.moveEnd ( "character", 1); 
  If (r.text == == r1.text & r.boundingTop r1.boundingTop) 
  S = "\ r \ n"; 
  ) 
  ClipboardData.setData ( "text", s); 
  Fix (r ,""); 
  Return false; 
  ) 
  If (k == 90) (/ / Ctrl Z 
  If (! Event.ctrlKey) 
  Return true; 
  This.value = this.originalValue; 
  Build (); 
  Return false; 
  ) 
  Return true; 
  ) 
  OTxt.onkeyup = function () ( 
  If (this.bFixed) 
  Return; 
  Var k = event.keyCode; 
  If (k == 32 | | k> = 48 & k <= 111 | | k> = 186 & & k <= 192 | | k> = 219 & & k <= 222) ( 
  Var n = this.lineNumber (document.selection.createRange ()); 
  OBox.refresh (oBox.childrenVisible (n), this.value.split ( "\ n") [n]); 
  ) 
  ) 
  Function fix (rng, str) ( 
  OTxt.bFixed = true; 
  Var t0 = oTxt.lineNumber (rng); 
  Var t1 = t0 Math.floor (rng.boundingHeight / oTxt.lineHeight); 
  Rng.text = str; 
  Rng.select (); 
  Var t2 = oTxt.lineNumber (rng) 1; 
  Var a = oTxt.value.split ( "\ n"); 
  Var o = oBox.childrenVisible (t0); 
  If (t1 <= t2) ( 
  For (i = t0; i <t1; i, o = o.nextSibling) 
  OBox.refresh (o, a [i]); 
  For (i = t2-1; i> = t1; i -) 
  OBox.refresh (o = oBox.insertBefore (new Image (), o), a [i]); 
  ) 
  Else ( 
  For (i = t0; i <t2; i, o = o.nextSibling) 
  OBox.refresh (o, a [i]); 
  For (; i <t1; i) ( 
  Var next = o.nextSibling; 
  OBox.removeChild (o); 
  O = next; 
  ) 
  ) 
  While (a.length <oBox.children.length) ( 
  Var next = o.nextSibling; 
  OBox.removeChild (o); 
  O = next; 
  ) 
  OBox.scrollTop = oTxt.scrollTop; 
  ) 
  Function build () ( 
  OBox.innerHTML = ""; 
  If (! OTxt.value) 
  Return; 
  Var a = oTxt.value.split ( "\ n"); 
  For (var i = 0; i <a.length; i) 
  OBox.refresh (oBox.appendChild (new Image ()), a [i]); 
  OTxt.bFixed = true; 
  ) 
  Build (); 
  ) 
  </ Script> 
  <div Id=oBox> </ div> 
  <textarea Id=oTxt wrap=off> <script> 
  Function fix (rng, str) ( 
  OTxt.bFixed = true; 
  Var t0 = oTxt.lineNumber (rng); 
  Var t1 = t0 Math.floor (rng.boundingHeight / oTxt.lineHeight); 
  Rng.text = str; 
  Rng.select (); 
  Var t2 = oTxt.lineNumber (rng) 1; 
  Var a = oTxt.value.split ( "\ n"); 
  Var o = oBox.childrenVisible (t0); 
  If (t1 <= t2) ( 
  For (i = t0; i <t1; i, o = o.nextSibling) 
  OBox.refresh (o, a [i]); 
  For (i = t2-1; i> = t1; i -) 
  OBox.refresh (o = oBox.insertBefore (new Image (), o), a [i]); 
  ) 
  Else ( 
  For (i = t0; i <t2; i, o = o.nextSibling) 
  OBox.refresh (o, a [i]); 
  For (; i <t1; i) ( 
  Var next = o.nextSibling; 
  OBox.removeChild (o); 
  O = next; 
  ) 
  ) 
  While (a.length <oBox.children.length) ( 
  Var next = o.nextSibling; 
  OBox.removeChild (o); 
  O = next; 
  ) 
  OBox.scrollTop = oTxt.scrollTop; 
  ) 
  Function build () ( 
  OBox.innerHTML = ""; 
  If (! OTxt.value) 
  Return; 
  Var a = oTxt.value.split ( "\ n"); 
  For (var i = 0; i <a.length; i) 
  OBox.refresh (oBox.appendChild (new Image ()), a [i]); 
  OTxt.bFixed = true; 
  ) 
  </ Script> 
<center>
  <h1> Hello world </ h1> 
  <hr Id="emptyTag"/> 
  <Div id = "multiLineTag" 
  style = "text-align: right; font-size: 11px; font-family: tahoma"> 
  By mozart0@2005.12.26 <br/> 
  Qq76239711 <br/> 
  <a Href=" mailto:mozart0@etang.com"> mozart0@etang.com </ a> 
  </ Div> 
  </ Center> </ textarea> 

  Update records 
--------------
  Join tests, to prevent the trip with the editors of a hack38 reminded that the importation of Chinese characters, the number of rows computational error