Edit D:\app\Administrator\product\11.2.0\dbhome_1\apex\images\editor\codearea.js

var isMax = false;
var unMaxH=600;
var unMaxW=600;

var findFlags = {
    wholeWord: false,
    caseSensitive: false,
    regExp: false
};

function toggleCodeArea(obj){
   disableItems(html_GetElement('e').readOnly==false,'P2250_REPLACE');
   if (html_GetElement('e').readOnly) {
     html_GetElement('e').readOnly=false;
     html_GetElement('toggleLinkText').className = 'editEnabled';
   } else {
     html_GetElement('e').readOnly=true;
     html_GetElement('toggleLinkText').className = 'editDisabled';
   }

}

function saveCode(){

var get = new htmldb_Get(null,4500,'SAVE_CODE',2250, null, 'wwv_flow.accept');
   var plsqlCode = html_GetElement("e").value;
   var i=0;

get.addParam('f02',plsqlCode.length);

if (plsqlCode.length<=4000) {
     get.addParam('f01',plsqlCode);
   } else {
     while (plsqlCode.length>4000) {
       get.addParam('f01',plsqlCode.substr(0,4000));
       plsqlCode = plsqlCode.substr(4000,plsqlCode.length-4000);
       i++;
     }
     get.addParam('f01',plsqlCode);
   }

var x = get.get('FULL');

}

function goToLine(lineID){
   var l = html_GetElement('e').getLineByNumber(lineID);
   var rng = html_GetElement('e').createCodeRange();
   rng.moveToLine(l);
   rng.select("compile-error");

}

function downloadCode() {
   saveCode();
   doSubmit('DOWNLOAD_CODE');
}

function maximize() {
  var iframeEl = parent.document.getElementById('dbaseContent');
  html_HiddenElement(iframeEl)
  isMax = true;
  html_HideElement('func_tab_menu');
  document.getElementById('maximizer').className = 'maximized';
  html_GetElement('ob_ObjectsDetail').innerHTML = window.parent.html_GetElement('ob_ObjectsDetail').innerHTML
  html_ShowElement('ob_ObjectsDetail');
  var l_Width = '100%';
  var l_Height = '100%';
  if(document.all){
   var l_Width = parent.document.body.offsetWidth;
   var l_Height = parent.document.body.offsetHeight;
  }
	iframeEl.style.position = "absolute";
	iframeEl.style.top = "0px";
	iframeEl.style.left = "0px";
	iframeEl.style.width = l_Width;
	iframeEl.style.height = l_Height;
  html_GetElement('ed_PageMargin').style.margin = 0;
  parent.document.body.style.overflow = 'hidden';
  parent.g_SkipResize = true;
  resizeCodeArea();
  html_VisibleElement(iframeEl)
}

function updateFindFlag(theFlag, findFlag) {
  if (theFlag.value=='WHOLE'&&findFlag[1].checked) {
    findFlag[2].checked = false;
  }
  if (theFlag.value=='REGEX'&&findFlag[2].checked) {
    findFlag[1].checked = false;
  }
}

var rng = codeArea.findNext(searchString, findFlags);
  if (!rng)
    alert(searchString + ' ' + notFound);
  else
    rng.select();
}

function undoEdit(codeArea) {
   var undoAction = codeArea.getAction("undo");
   if (undoAction.isEnabled())
     undoAction.perform();
}

function redoEdit(codeArea) {
   var redoAction = codeArea.getAction("redo");
   if (redoAction.isEnabled())
     redoAction.perform();
}

//
// sinlge max / min functions
//
function isMaximized(node)
{
  return html_GetElement(node).maximized;
}

function maximizeElement(el)
{
  var node = html_GetElement(el);
  if (node.maximized)
    return;

/*  if (node.elementsHidden)
  {
    for (var i=0; i<node.elementsHidden.length; i++)
      node.elementsHidden[i].style.display = node.elementsOriDisplay[i];
    node.elementsHidden = null;
  }
*/

node.data                = new Array();
  node.elementsHidden      = new Array();
  node.elementsOriDisplay  = new Array();
  node.elementsWidth       = new Array();

node.data.position	= node.style.position;
	  node.data.top		= node.style.top;
	  node.data.left		= node.style.left;
	  node.data.width		= node.style.width;
	  node.data.height	= node.style.height;
	  node.data.border	= node.style.border;
	  node.data.height	= node.style.height;
	  node.data.baseBorder = node.border;
	  node.data.Wmargin = window.document.body.style.margin;
	  node.data.Wpadding = window.document.body.style.padding;
	  node.data.Woverflow = window.document.body.style.overflow;

node.style.position	= 'absolute';
	node.style.top		= '0px';
	node.style.left		= '0px';
	node.style.width		= '100%';
	node.style.height	= '100%';
	node.style.border	= 'none';
	node.border			= '0';

window.document.body.style.margin  = '0px';
  window.document.body.style.padding = '0px';
  //window.document.body.style.overflow = 'hidden';

node.maximized = true;
}

function unMaximizeElement(node){
  node = html_GetElement(node);
  if (!node.maximized)
    return;

if (node.elementsHidden)
  {
    for (var i=0; i<node.elementsHidden.length; i++) {
        node.elementsHidden[i].style.display = node.elementsOriDisplay[i];
        node.elementsWidth[node.elementsWidth.length] = html_GetElement('e').style.width;
    }
    node.elementsHidden = null;
  }

node.style.top      = node.data.top;
	node.style.left     = node.data.left;
	node.style.width    = node.data.width;
	node.style.height   = node.data.height;
	node.style.border   = node.data.border;
	node.style.height   = node.data.height;
	node.style.position = node.data.position;
	node.border         = node.data.baseBorder;
	node.style.position = 'relative';

window.document.body.style.margin=node.data.Wmargin;
 window.document.body.style.padding=node.data.Wpadding ;
 window.document.body.style.overflow= node.data.Woverflow ;
  node.maximized = false;
}

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