/* movewindow.js compiled from X 4.0 with XC 0.28b. Distributed under GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
// globals, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xIE6,xIE7,xNN4,xUA=navigator.userAgent.toLowerCase();
if(window.opera){
  var i=xUA.indexOf('opera');
  if(i!=-1){
    var v=parseInt(xUA.charAt(i+6));
    xOp7Up=v>=7;
    xOp6Dn=v<7;
  }
}
else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){
  xIE4Up=parseFloat(navigator.appVersion)>=4;
  xIE4=xUA.indexOf('msie 4')!=-1;
  xIE5=xUA.indexOf('msie 5')!=-1;
  xIE6=xUA.indexOf('msie 6')!=-1;
  xIE7=xUA.indexOf('msie 7')!=-1;
}
else if(document.layers){xNN4=true;}
xMac=xUA.indexOf('mac')!=-1;
// xAddEventListener, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xAddEventListener(e,eT,eL,cap)
{
  if(!(e=xGetElementById(e))) return;
  eT=eT.toLowerCase();
  if((!xIE4Up && !xOp7Up) && e==window) {
    if(eT=='resize') { window.xPCW=xClientWidth(); window.xPCH=xClientHeight(); window.xREL=eL; xResizeEvent(); return; }
    if(eT=='scroll') { window.xPSL=xScrollLeft(); window.xPST=xScrollTop(); window.xSEL=eL; xScrollEvent(); return; }
  }
  var eh='e.on'+eT+'=eL';
  if(e.addEventListener) e.addEventListener(eT,eL,cap);
  else if(e.attachEvent) e.attachEvent('on'+eT,eL);
  else eval(eh);
}
// called only from the above
function xResizeEvent()
{
  if (window.xREL) setTimeout('xResizeEvent()', 250);
  var cw = xClientWidth(), ch = xClientHeight();
  if (window.xPCW != cw || window.xPCH != ch) { window.xPCW = cw; window.xPCH = ch; if (window.xREL) window.xREL(); }
}
function xScrollEvent()
{
  if (window.xSEL) setTimeout('xScrollEvent()', 250);
  var sl = xScrollLeft(), st = xScrollTop();
  if (window.xPSL != sl || window.xPST != st) { window.xPSL = sl; window.xPST = st; if (window.xSEL) window.xSEL(); }
}
// xClientHeight, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientHeight()
{
  var h=0;
  if(xOp6Dn) h=window.innerHeight;
  else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientHeight)
    h=document.documentElement.clientHeight;
  else if(document.body && document.body.clientHeight)
    h=document.body.clientHeight;
  else if(xDef(window.innerWidth,window.innerHeight,document.width)) {
    h=window.innerHeight;
    if(document.width>window.innerWidth) h-=16;
  }
  return h;
}
// xClientWidth, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientWidth()
{
  var w=0;
  if(xOp6Dn) w=window.innerWidth;
  else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientWidth)
    w=document.documentElement.clientWidth;
  else if(document.body && document.body.clientWidth)
    w=document.body.clientWidth;
  else if(xDef(window.innerWidth,window.innerHeight,document.height)) {
    w=window.innerWidth;
    if(document.height>window.innerHeight) w-=16;
  }
  return w;
}
// xDef, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xDef()
{
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}
  return true;
}
// xDisableDrag, Copyright 2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xDisableDrag(id, last)
{
  if (!window._xDrgMgr) return;
  var ele = xGetElementById(id);
  ele.xDraggable = false;
  ele.xODS = null;
  ele.xOD = null;
  ele.xODE = null;
  xRemoveEventListener(ele, 'mousedown', _xOMD, false);
  if (_xDrgMgr.mm && last) {
    _xDrgMgr.mm = false;
    xRemoveEventListener(document, 'mousemove', _xOMM, false);
  }
}
// xEnableDrag, Copyright 2002,2003,2004,2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

//// Private Data
var _xDrgMgr = {ele:null, mm:false};
//// Public Functions
function xEnableDrag(id,fS,fD,fE)
{
  var ele = xGetElementById(id);
  ele.xDraggable = true;
  ele.xODS = fS;
  ele.xOD = fD;
  ele.xODE = fE;
  xAddEventListener(ele, 'mousedown', _xOMD, false);
  if (!_xDrgMgr.mm) {
    _xDrgMgr.mm = true;
    xAddEventListener(document, 'mousemove', _xOMM, false);
  }
}
//// Private Event Listeners
function _xOMD(e) // drag start
{
  var evt = new xEvent(e);
  var ele = evt.target;
  while(ele && !ele.xDraggable) {
    ele = xParent(ele);
  }
  if (ele) {
    xPreventDefault(e);
    ele.xDPX = evt.pageX;
    ele.xDPY = evt.pageY;
    _xDrgMgr.ele = ele;
    xAddEventListener(document, 'mouseup', _xOMU, false);
    if (ele.xODS) {
      ele.xODS(ele, evt.pageX, evt.pageY);
    }
  }
}
function _xOMM(e) // drag
{
  var evt = new xEvent(e);
  if (_xDrgMgr.ele) {
    xPreventDefault(e);
    var ele = _xDrgMgr.ele;
    var dx = evt.pageX - ele.xDPX;
    var dy = evt.pageY - ele.xDPY;
    ele.xDPX = evt.pageX;
    ele.xDPY = evt.pageY;
    if (ele.xOD) {
      ele.xOD(ele, dx, dy);
    }
    else {
      xMoveTo(ele, xLeft(ele) + dx, xTop(ele) + dy);
    }
  }
}
function _xOMU(e) // drag end
{
  if (_xDrgMgr.ele) {
    xPreventDefault(e);
    xRemoveEventListener(document, 'mouseup', _xOMU, false);
    if (_xDrgMgr.ele.xODE) {
      var evt = new xEvent(e);
      _xDrgMgr.ele.xODE(_xDrgMgr.ele, evt.pageX, evt.pageY);
    }
    _xDrgMgr.ele = null;
  }
}
// xEvent, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xEvent(evt) // object prototype
{
  var e = evt || window.event;
  if(!e) return;
  if(e.type) this.type = e.type;
  if(e.target) this.target = e.target;
  else if(e.srcElement) this.target = e.srcElement;

  // Section B
  if (e.relatedTarget) this.relatedTarget = e.relatedTarget;
  else if (e.type == 'mouseover' && e.fromElement) this.relatedTarget = e.fromElement;
  else if (e.type == 'mouseout') this.relatedTarget = e.toElement;
  // End Section B

  if(xOp6Dn) { this.pageX = e.clientX; this.pageY = e.clientY; }
  else if(xDef(e.pageX,e.pageY)) { this.pageX = e.pageX; this.pageY = e.pageY; }
  else if(xDef(e.clientX,e.clientY)) { this.pageX = e.clientX + xScrollLeft(); this.pageY = e.clientY + xScrollTop(); }

  // Section A
  if (xDef(e.offsetX,e.offsetY)) {
    this.offsetX = e.offsetX;
    this.offsetY = e.offsetY;
  }
  else if (xDef(e.layerX,e.layerY)) {
    this.offsetX = e.layerX;
    this.offsetY = e.layerY;
  }
  else {
    this.offsetX = this.pageX - xPageX(this.target);
    this.offsetY = this.pageY - xPageY(this.target);
  }
  // End Section A

  if (e.keyCode) { this.keyCode = e.keyCode; } // for moz/fb, if keyCode==0 use which
  else if (xDef(e.which) && e.type.indexOf('key')!=-1) { this.keyCode = e.which; }

  this.shiftKey = e.shiftKey;
  this.ctrlKey = e.ctrlKey;
  this.altKey = e.altKey;
}

//  I need someone with IE/Mac to compare test snippets 1 and 2 in section A.

//  // Snippet 1
//  if(xDef(e.offsetX,e.offsetY)) {
//    this.offsetX = e.offsetX;
//    this.offsetY = e.offsetY;
//    if (xIE4Up && xMac) {
//      this.offsetX += xScrollLeft();
//      this.offsetY += xScrollTop();
//    }
//  }
//  else if (xDef(e.layerX,e.layerY)) {
//    this.offsetX = e.layerX;
//    this.offsetY = e.layerY;
//  }
//  else {
//    this.offsetX = this.pageX - xPageX(this.target);
//    this.offsetY = this.pageY - xPageY(this.target);
//  }

//  // Snippet 2
//  if (xDef(e.offsetX,e.offsetY) && !(xIE4Up && xMac)) {
//    this.offsetX = e.offsetX;
//    this.offsetY = e.offsetY;
//  }
//  else if (xDef(e.layerX,e.layerY)) {
//    this.offsetX = e.layerX;
//    this.offsetY = e.layerY;
//  }
//  else {
//    this.offsetX = this.pageX - xPageX(this.target);
//    this.offsetY = this.pageY - xPageY(this.target);
//  }

//  This was in section B:

//  if (e.relatedTarget) this.relatedTarget = e.relatedTarget;
//  else if (xIE4Up) {
//    if (e.type == 'mouseover') this.relatedTarget = e.fromElement;
//    else if (e.type == 'mouseout') this.relatedTarget = e.toElement;
//  }
//  changed to remove sniffer after discussion with Hallvord

// Possible optimization:

//  if (e.keyCode) { this.keyCode = e.keyCode; } // for moz/fb, if keyCode==0 use which
//  else if (xDef(e.which) && e.type.indexOf('key')!=-1) { this.keyCode = e.which; }
//  // replace the above 2 lines with the following?
//  // this.keyCode = e.keyCode || e.which || 0;
// xFenster, Copyright 2004-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xFenster(eleId, iniX, iniY, barId, resBtnId, maxBtnId) // object prototype
{
  // Private Properties
  var me = this;
  var ele = xGetElementById(eleId);
  var rBtn = xGetElementById(resBtnId);
  var mBtn = xGetElementById(maxBtnId);
  var x, y, w, h, maximized = false;
  // Public Methods
  this.onunload = function()
  {
    if (xIE4Up) { // clear cir refs
      xDisableDrag(barId);
      xDisableDrag(rBtn);
      mBtn.onclick = ele.onmousedown = null;
      me = ele = rBtn = mBtn = null;
    }
  }
  this.paint = function()
  {
    xMoveTo(rBtn, xWidth(ele) - xWidth(rBtn), xHeight(ele) - xHeight(rBtn));
    xMoveTo(mBtn, xWidth(ele) - xWidth(rBtn), 0);
  }
  // Private Event Listeners
  function barOnDrag(e, mdx, mdy)
  {
    xMoveTo(ele, xLeft(ele) + mdx, xTop(ele) + mdy);
  }
  function resOnDrag(e, mdx, mdy)
  {
    xResizeTo(ele, xWidth(ele) + mdx, xHeight(ele) + mdy);
    me.paint();
  }
  function fenOnMousedown()
  {
    xZIndex(ele, xFenster.z++);
  }
  function maxOnClick()
  {
    if (maximized) {
      maximized = false;
      xResizeTo(ele, w, h);
      xMoveTo(ele, x, y);
    }
    else {
      w = xWidth(ele);
      h = xHeight(ele);
      x = xLeft(ele);
      y = xTop(ele);
      xMoveTo(ele, xScrollLeft(), xScrollTop());
      maximized = true;
      xResizeTo(ele, xClientWidth(), xClientHeight());
    }
    me.paint();
  }
  // Constructor Code
  xFenster.z++;
  xMoveTo(ele, iniX, iniY);
  this.paint();
  xEnableDrag(barId, null, barOnDrag, null);
  xEnableDrag(rBtn, null, resOnDrag, null);
  mBtn.onclick = maxOnClick;
  ele.onmousedown = fenOnMousedown;
  xShow(ele);
} // end xFenster object prototype

xFenster.z = 0; // xFenster static property
// xGetComputedStyle, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetComputedStyle(oEle, sProp, bInt)
{
  var s, p = 'undefined';
  var dv = document.defaultView;
  if(dv && dv.getComputedStyle){
    s = dv.getComputedStyle(oEle,'');
    if (s) p = s.getPropertyValue(sProp);
  }
  else if(oEle.currentStyle) {
    // convert css property name to object property name for IE
    var a = sProp.split('-');
    sProp = a[0];
    for (var i=1; i<a.length; ++i) {
      c = a[i].charAt(0);
      sProp += a[i].replace(c, c.toUpperCase());
    }
    p = oEle.currentStyle[sProp];
  }
  else return null;
  return bInt ? (parseInt(p) || 0) : p;
}

// xGetElementById, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementById(e)
{
  if(typeof(e)!='string') return e;
  if(document.getElementById) e=document.getElementById(e);
  else if(document.all) e=document.all[e];
  else e=null;
  return e;
}
// xHeight, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xHeight(e,h)
{
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(h)) {
    if (h<0) h = 0;
    else h=Math.round(h);
  }
  else h=-1;
  var css=xDef(e.style);
  if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    h = xClientHeight();
  }
  else if(css && xDef(e.offsetHeight) && xStr(e.style.height)) {
    if(h>=0) {
      var pt=0,pb=0,bt=0,bb=0;
      if (document.compatMode=='CSS1Compat') {
        var gcs = xGetComputedStyle;
        pt=gcs(e,'padding-top',1);
        if (pt !== null) {
          pb=gcs(e,'padding-bottom',1);
          bt=gcs(e,'border-top-width',1);
          bb=gcs(e,'border-bottom-width',1);
        }
        // Should we try this as a last resort?
        // At this point getComputedStyle and currentStyle do not exist.
        else if(xDef(e.offsetHeight,e.style.height)){
          e.style.height=h+'px';
          pt=e.offsetHeight-h;
        }
      }
      h-=(pt+pb+bt+bb);
      if(isNaN(h)||h<0) return;
      else e.style.height=h+'px';
    }
    h=e.offsetHeight;
  }
  else if(css && xDef(e.style.pixelHeight)) {
    if(h>=0) e.style.pixelHeight=h;
    h=e.style.pixelHeight;
  }
  return h;
}
// xLeft, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xLeft(e, iX)
{
  if(!(e=xGetElementById(e))) return 0;
  var css=xDef(e.style);
  if (css && xStr(e.style.left)) {
    if(xNum(iX)) e.style.left=iX+'px';
    else {
      iX=parseInt(e.style.left);
      if(isNaN(iX)) iX=0;
    }
  }
  else if(css && xDef(e.style.pixelLeft)) {
    if(xNum(iX)) e.style.pixelLeft=iX;
    else iX=e.style.pixelLeft;
  }
  return iX;
}
// xMoveTo, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xMoveTo(e,x,y)
{
  xLeft(e,x);
  xTop(e,y);
}
// xNum, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xNum()
{
  for(var i=0; i<arguments.length; ++i){if(isNaN(arguments[i]) || typeof(arguments[i])!='number') return false;}
  return true;
}
// xPageX, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPageX(e)
{
  if (!(e=xGetElementById(e))) return 0;
  var x = 0;
  while (e) {
    if (xDef(e.offsetLeft)) x += e.offsetLeft;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
  return x;
}
// xPageY, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPageY(e)
{
  if (!(e=xGetElementById(e))) return 0;
  var y = 0;
  while (e) {
    if (xDef(e.offsetTop)) y += e.offsetTop;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
//  if (xOp7Up) return y - document.body.offsetTop; // v3.14, temporary hack for opera bug 130324 (reported 1nov03)
  return y;
}
// xParent, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xParent(e, bNode)
{
  if (!(e=xGetElementById(e))) return null;
  var p=null;
  if (!bNode && xDef(e.offsetParent)) p=e.offsetParent;
  else if (xDef(e.parentNode)) p=e.parentNode;
  else if (xDef(e.parentElement)) p=e.parentElement;
  return p;
}
// xPreventDefault, Copyright 2004,2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPreventDefault(e)
{
  if (e && e.preventDefault) e.preventDefault();
  else if (window.event) window.event.returnValue = false;
}
// xRemoveEventListener, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xRemoveEventListener(e,eT,eL,cap)
{
  if(!(e=xGetElementById(e))) return;
  eT=eT.toLowerCase();
  if((!xIE4Up && !xOp7Up) && e==window) {
    if(eT=='resize') { window.xREL=null; return; }
    if(eT=='scroll') { window.xSEL=null; return; }
  }
  var eh='e.on'+eT+'=null';
  if(e.removeEventListener) e.removeEventListener(eT,eL,cap);
  else if(e.detachEvent) e.detachEvent('on'+eT,eL);
  else eval(eh);
}
// xResizeTo, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xResizeTo(e,w,h)
{
  xWidth(e,w);
  xHeight(e,h);
}
// xScrollLeft, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xScrollLeft(e, bWin)
{
  var offset=0;
  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    var w = window;
    if (bWin && e) w = e;
    if(w.document.documentElement && w.document.documentElement.scrollLeft) offset=w.document.documentElement.scrollLeft;
    else if(w.document.body && xDef(w.document.body.scrollLeft)) offset=w.document.body.scrollLeft;
  }
  else {
    e = xGetElementById(e);
    if (e && xNum(e.scrollLeft)) offset = e.scrollLeft;
  }
  return offset;
}
// xScrollTop, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xScrollTop(e, bWin)
{
  var offset=0;
  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    var w = window;
    if (bWin && e) w = e;
    if(w.document.documentElement && w.document.documentElement.scrollTop) offset=w.document.documentElement.scrollTop;
    else if(w.document.body && xDef(w.document.body.scrollTop)) offset=w.document.body.scrollTop;
  }
  else {
    e = xGetElementById(e);
    if (e && xNum(e.scrollTop)) offset = e.scrollTop;
  }
  return offset;
}
// xShow, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xShow(e) {return xVisibility(e,1);}
// xStr, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xStr(s)
{
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='string') return false;}
  return true;
}
// xTop, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xTop(e, iY)
{
  if(!(e=xGetElementById(e))) return 0;
  var css=xDef(e.style);
  if(css && xStr(e.style.top)) {
    if(xNum(iY)) e.style.top=iY+'px';
    else {
      iY=parseInt(e.style.top);
      if(isNaN(iY)) iY=0;
    }
  }
  else if(css && xDef(e.style.pixelTop)) {
    if(xNum(iY)) e.style.pixelTop=iY;
    else iY=e.style.pixelTop;
  }
  return iY;
}
// xVisibility, Copyright 2003-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xVisibility(e, bShow)
{
  if(!(e=xGetElementById(e))) return null;
  if(e.style && xDef(e.style.visibility)) {
    if (xDef(bShow)) e.style.visibility = bShow ? 'visible' : 'hidden';
    return e.style.visibility;
  }
  return null;
}

//function xVisibility(e,s)
//{
//  if(!(e=xGetElementById(e))) return null;
//  var v = 'visible', h = 'hidden';
//  if(e.style && xDef(e.style.visibility)) {
//    if (xDef(s)) {
//      // try to maintain backwards compatibility (???)
//      if (xStr(s)) e.style.visibility = s;
//      else e.style.visibility = s ? v : h;
//    }
//    return e.style.visibility;
//    // or...
//    // if (e.style.visibility.length) return e.style.visibility;
//    // else return xGetComputedStyle(e, 'visibility');
//  }
//  else if (xDef(e.visibility)) { // NN4
//    if (xDef(s)) {
//      // try to maintain backwards compatibility
//      if (xStr(s)) e.visibility = (s == v) ? 'show' : 'hide';
//      else e.visibility = s ? v : h;
//    }
//    return (e.visibility == 'show') ? v : h;
//  }
//  return null;
//}
// xWidth, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xWidth(e,w)
{
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(w)) {
    if (w<0) w = 0;
    else w=Math.round(w);
  }
  else w=-1;
  var css=xDef(e.style);
  if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    w = xClientWidth();
  }
  else if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {
    if(w>=0) {
      var pl=0,pr=0,bl=0,br=0;
      if (document.compatMode=='CSS1Compat') {
        var gcs = xGetComputedStyle;
        pl=gcs(e,'padding-left',1);
        if (pl !== null) {
          pr=gcs(e,'padding-right',1);
          bl=gcs(e,'border-left-width',1);
          br=gcs(e,'border-right-width',1);
        }
        // Should we try this as a last resort?
        // At this point getComputedStyle and currentStyle do not exist.
        else if(xDef(e.offsetWidth,e.style.width)){
          e.style.width=w+'px';
          pl=e.offsetWidth-w;
        }
      }
      w-=(pl+pr+bl+br);
      if(isNaN(w)||w<0) return;
      else e.style.width=w+'px';
    }
    w=e.offsetWidth;
  }
  else if(css && xDef(e.style.pixelWidth)) {
    if(w>=0) e.style.pixelWidth=w;
    w=e.style.pixelWidth;
  }
  return w;
}
// xZIndex, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xZIndex(e,uZ)
{
  if(!(e=xGetElementById(e))) return 0;
  if(e.style && xDef(e.style.zIndex)) {
    if(xNum(uZ)) e.style.zIndex=uZ;
    uZ=parseInt(e.style.zIndex);
  }
  return uZ;
}