/*
 * $Log: xbDOM.js,v $
 * Revision 1.1  2004/01/18 10:51:10  simon
 * Adding javascript libs and stylesheets
 *
 * Revision 1.1.1.1  2003/03/05 13:42:28  sirwally
 * Initial import
 *
 * Revision 1.6  2002/07/22 14:25:08  bc6ix
 * fix license path, remove old change log, reformat...
 *
 * Revision 1.5  2002/06/17 04:08:37  bc6ix
 * add get/set ScrollTop
 *
 * Revision 1.4  2002/05/14 16:52:52  bc6ix
 * use CVS Log for revision history
 *
 */

/* ***** BEGIN LICENSE BLOCK *****
 * Licensed under Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * Full Terms at http://bclary.com/lib/js/license/mpl-tri-license.txt
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Netscape code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s): Bob Clary <bclary@netscape.com>
 *
 * ***** END LICENSE BLOCK ***** */

function xbToInt(s)
{
  var i = parseInt(s, 10);
  if (isNaN(i))
    i = 0;

  return i;
}

function xbGetWindowWidth(windowRef)
{
  var width = 0;

  if (!windowRef)
    {
      windowRef = window;
    }
  
  if (typeof(windowRef.innerWidth) == 'number')
    {
      width = windowRef.innerWidth;
    }
  else if (windowRef.document.body && typeof(windowRef.document.body.clientWidth) == 'number')
    {
      width = windowRef.document.body.clientWidth;  
    }
    
  return width;
}

function xbGetWindowHeight(windowRef)
{
  var height = 0;
  
  if (!windowRef)
    {
      windowRef = window;
    }

  if (typeof(windowRef.innerWidth) == 'number')
    {
      height = windowRef.innerHeight;
    }
  else if (windowRef.document.body && typeof(windowRef.document.body.clientWidth) == 'number')
    {
      height = windowRef.document.body.clientHeight;    
    }
  return height;
}

function xbGetElementsByNameAndType(name, type, windowRef)
{
  if (!windowRef)
    windowRef = window;

  var elmlist = new Array();

  xbFindElementsByNameAndType(windowRef.document, name, type, elmlist);

  return elmlist;
}

function xbFindElementsByNameAndType(doc, name, type, elmlist)
{
  var i;
  var subdoc;
  
  for (i = 0; i < doc[type].length; ++i)
    {
      if (doc[type][i].name && name == doc[type][i].name)
	{
	  elmlist[elmlist.length] = doc[type][i];
	}
    }

  if (doc.layers)
    {
      for (i = 0; i < doc.layers.length; ++i)
	{
	  subdoc = doc.layers[i].document;
	  xbFindElementsByNameAndType(subdoc, name, type, elmlist);
	}
    }
}

if (document.layers)
{
  nav4FindLayer =
    function (doc, id)
    {
      var i;
      var subdoc;
      var obj;
    
      for (i = 0; i < doc.layers.length; ++i)
	{
	  if (doc.layers[i].id && id == doc.layers[i].id)
	    return doc.layers[i];
        
	  subdoc = doc.layers[i].document;
	  obj    = nav4FindLayer(subdoc, id);
	  if (obj != null)
	    return obj;
	}
      return null;
    }

    nav4FindElementsByName = 
    function (doc, name, elmlist)
    {
      var i;
      var j;
      var subdoc;
    
      for (i = 0; i < doc.images.length; ++i)
	{
	  if (doc.images[i].name && name == doc.images[i].name)
	    {
	      elmlist[elmlist.length] = doc.images[i];
	    }
	}

      for (i = 0; i < doc.forms.length; ++i)
	{
	  for (j = 0; j < doc.forms[i].elements.length; j++)
	    {
	      if (doc.forms[i].elements[j].name && name == doc.forms[i].elements[j].name)
		{
		  elmlist[elmlist.length] = doc.forms[i].elements[j];
		}
	    }

	  if (doc.forms[i].name && name == doc.forms[i].name)
	    {
	      elmlist[elmlist.length] = doc.forms[i];
	    }
	}

      for (i = 0; i < doc.anchors.length; ++i)
	{
	  if (doc.anchors[i].name && name == doc.anchors[i].name)
	    {
	      elmlist[elmlist.length] = doc.anchors[i];
	    }
	}

      for (i = 0; i < doc.links.length; ++i)
	{
	  if (doc.links[i].name && name == doc.links[i].name)
	    {
	      elmlist[elmlist.length] = doc.links[i];
	    }
	}

      for (i = 0; i < doc.applets.length; ++i)
	{
	  if (doc.applets[i].name && name == doc.applets[i].name)
	    {
	      elmlist[elmlist.length] = doc.applets[i];
	    }
	}

      for (i = 0; i < doc.embeds.length; ++i)
	{
	  if (doc.embeds[i].name && name == doc.embeds[i].name)
	    {
	      elmlist[elmlist.length] = doc.embeds[i];
	    }
	}

      for (i = 0; i < doc.layers.length; ++i)
	{
	  if (doc.layers[i].name && name == doc.layers[i].name)
	    {
	      elmlist[elmlist.length] = doc.layers[i];
	    }
        
	  subdoc = doc.layers[i].document;
	  nav4FindElementsByName(subdoc, name, elmlist);
	}
    }

    xbGetElementById = function (id, windowRef)
    {
      if (!windowRef)
	windowRef = window;

      return nav4FindLayer(windowRef.document, id);
    };

  xbGetElementsByName = function (name, windowRef)
  {
    if (!windowRef)
      windowRef = window;

    var elmlist = new Array();

    nav4FindElementsByName(windowRef.document, name, elmlist);

    return elmlist;
  };

}
else if (document.all)
{
  xbGetElementById = 
    function (id, windowRef) 
    { 
      alert('asdfasdf');
      if (!windowRef) 
	{
	  windowRef = window; 
	}
      var elm = windowRef.document.all[id]; 
      if (!elm) 
	{
	  elm = null; 
	}
      return elm; 
    };

  xbGetElementsByName = function (name, windowRef)
  {
    if (!windowRef)
      windowRef = window;
    
    var i;
    var idnamelist = windowRef.document.all[name];
    var elmlist = new Array();

    if (!idnamelist.length || idnamelist.name == name)
      {
	if (idnamelist)
	  elmlist[elmlist.length] = idnamelist;
      }
    else
      {
	for (i = 0; i < idnamelist.length; i++)
	  {
	    if (idnamelist[i].name == name)
	      elmlist[elmlist.length] = idnamelist[i];
	  }
      }

    return elmlist;
  }

    }
else if (document.getElementById)
{
  xbGetElementById = 
    function (id, windowRef) 
    { 
      if (!windowRef) 
	{
	  windowRef = window; 
	}
      return windowRef.document.getElementById(id); 
    };

  xbGetElementsByName = 
    function (name, windowRef) 
    { 
      if (!windowRef) 
	{
	  windowRef = window; 
	}
      return windowRef.document.getElementsByName(name); 
    };
}
else 
{
  xbGetElementById = 
    function (id, windowRef) 
    { 
      return null; 
    };

  xbGetElementsByName = 
    function (name, windowRef) 
    { 
      return new Array(); 
    };
}

function xbGetPageScrollX(windowRef)
{
  if (!windowRef) 
    {
      windowRef = window; 
    }

  if (typeof(windowRef.pageXOffset) == 'number')
    {
      return windowRef.pageXOffset;
    }

  if (typeof(windowRef.document.body && windowRef.document.body.scrollLeft) == 'number')
    {
      return windowRef.document.body.scrollLeft;
    }

  return 0;
}

function xbGetPageScrollY(windowRef)
{
  if (!windowRef) 
    {
      windowRef = window; 
    }

  if (typeof(windowRef.pageYOffset) == 'number')
    {
      return windowRef.pageYOffset;
    }

  if (typeof(windowRef.document.body && windowRef.document.body.scrollTop) == 'number')
    {
      return windowRef.document.body.scrollTop;
    }

  return 0;
}

if (document.layers)
{
  xbSetInnerHTML = 
    function (element, str) 
    { 
      element.document.write(str); 
      element.document.close(); 
    };
}
else 
{
  xbSetInnerHTML = function (element, str) 
  { 
    if (typeof(element.innerHTML) != 'undefined') 
      {
	element.innerHTML = str; 
      }
  };
}

// eof: xbDOM.js