/* event_attach() takes care of attaching event handlers (functions) to events. 
 * this simplifies the process of attaching multiple handlers to a single event
 *
 * NOTE: the onload stack is executed in a LIFO manner to mimic 
 *       IE's window.attachEvent function. However, Opera also has its own
 *       window.attachEvent function which executes the onload stack in a 
 *       FIFO manner. FIFO is better, but IE has a larger user base, so
 *       LIFO is the way we go.
 */
function event_attach( event , func )
{
	if ( window.attachEvent )
	{
		window.attachEvent( event , func );
	}
	else
	{
		if ( ( typeof( func ) ).toLowerCase() != 'function' )
		{
			return;
		}
		if ( ( typeof( document.event_handlers ) ).toLowerCase() == 'undefined' )
		{
			document.event_handlers = new Array();
		}
		if ( ( typeof( document.event_handlers[ event ] ) ).toLowerCase() == 'undefined' )
		{
			document.event_handlers[ event ] = new Array();
		}
		if ( ( typeof( eval( 'window.' + event ) ) ).toLowerCase() != 'function' )
		{
			eval( 'window.' + event + ' = function () { if ( ( typeof( document.event_handlers[ \'' + event + '\' ] ) ).toLowerCase() != \'undefined\' ) { for ( i = document.event_handlers[ \'' + event + '\' ].length - 1 ; i >= 0  ; i-- ) { document.event_handlers[ \'' + event + '\' ][ i ](); } } } ' );
		}
		document.event_handlers[ event ][ document.event_handlers[ event ].length ] = func;
	}
}


/* Cookie API  v1.0.1
 * documentation: http://www.dithered.com/javascript/cookies/index.html
 * license: http://creativecommons.org/licenses/by/1.0/
 * code (mostly) by Chris Nott (chris[at]dithered[dot]com)
 */
function setCookie( name, value, expires, path, domain, secure )
{
	var curCookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	//alert(curCookie)
	document.cookie = curCookie;
}
function getCookie( name )
{
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf( "; " + prefix );
	if ( begin == -1 )
	{
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	}
	else
	{
		begin += 2;
	}
	var end = document.cookie.indexOf( ";", begin );
	if ( end == -1 )
	{
		end = dc.length;
	}
	return unescape(dc.substring(begin + prefix.length, end));
}
function deleteCookie( name, path, domain )
{
	var value = getCookie( name );
	if ( value != null )
	{
		document.cookie = name + "=" + 
			((path) ? "; path=" + path : "") +
			((domain) ? "; domain=" + domain : "") +
			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
	return value;
}

/* font size functions operate on the body element's
 * style and defines sizes in percentages. because
 * the default font size is set to 0 in the array,
 * the first value in the font_sizes array should
 * _ALWAYS_ be 100.
 *
 *	var font_sizes = new Array( 100, 110, 120 );
 *	var current_font_size = 0;
 *	event_attach( 'onload' , loadFontSize );
 */
function loadFontSize ()
{
	current_font_size = parseInt( '0' + getCookie ( "font_size" ) );
	setFontSize ( current_font_size );
}
function setFontSize( size )
{
	
	if( size >= 0 && size < font_sizes.length )
	{
		current_font_size = size;
	}
	else if( ++current_font_size >= font_sizes.length )
	{
		current_font_size = 0;
	}
	if ( document.body )
	{
		document.body.style.fontSize = font_sizes[ current_font_size ] + '%';
		setCookie( "font_size" , current_font_size );
	}

}

	var font_sizes = new Array( 100, 110, 120 ); 
	var current_font_size = 0;

/* stylesheets should be defined in the HTML via a LINK tag
 * and rel attribute set to "alternate stylesheet". the title
 * attribute is then set in the format of "title : group"
 * this function will disable all but the stylesheet specified
 * by title in the group specified by group.
 *
 * Based on code by Paul Sowden
 * http://www.alistapart.com/articles/alternate/
 *        
 */
function setActiveStyleSheet( title , group )
{
	var i, a, b, g, t;
	if ( !title || !group )
	{
		return;
	}
	for ( i = 0; ( a = document.getElementsByTagName( "link" )[ i ] ); i++ ) 
	{
		if ( a.getAttribute( "rel" ).indexOf( "style" ) != -1 && a.getAttribute( "title" ) )
		{
			b = ( a.getAttribute( "title" ) ).split( ":" );
			g = trim( b[ b.length - 1 ] );
			if ( g.toLowerCase() == group.toLowerCase() )
			{
				a.disabled = true;
				t = trim( ( a.getAttribute( "title" ) ).substring( 0, a.getAttribute( "title" ).length - b[ b.length - 1 ].length - 1 ) );
				if( t.toLowerCase() == title.toLowerCase() )
				{
					a.disabled = false;
				}
			}
			setCookie( "style_" + g.toLowerCase() , title );
		}
	}
}
function getPreferredStylesheet ( group )
{
	return ( getCookie ( "style_" + group ) );
}


/* Select List Styling Script */

function selectReplacement(obj) {
  obj.className += ' replaced';
  var ul = document.createElement('ul');
  ul.className = 'selectReplacement';
  var opts = obj.options;
  var selectedOpt = (!obj.selectedIndex) ? 0 : obj.selectedIndex;
  for (var i=0; i<opts.length; i++) {
    var li = document.createElement('li');
    var txt = document.createTextNode(opts[i].text);
    li.appendChild(txt);
    li.selIndex = i;
    li.selectID = obj.id;
    li.onclick = function() {
      selectMe(this);
    };
    if (i == selectedOpt) {
      li.className = 'selected';
      li.onclick = function() {
        this.parentNode.className += ' selectOpen';
        this.onclick = function() {
          selectMe(this);
        };
      };
    }
    if (window.attachEvent) {
      li.onmouseover = function() {
        this.className += ' hover';
      };
      li.onmouseout = function() {
        this.className = 
          this.className.replace(new RegExp(" hover\\b"), '');
      };
    }
    ul.appendChild(li);
  }
  obj.onfocus = function() {
    ul.className += ' selectFocused';
  };
  obj.onblur = function() {
    ul.className = 'selectReplacement';
  };
  obj.onchange = function() {
    var idx = this.selectedIndex;
    selectMe(ul.childNodes[idx]);
  };
  obj.onkeypress = obj.onchange;
  obj.parentNode.insertBefore(ul,obj);
}
function selectMe(obj) {
  var lis = obj.parentNode.getElementsByTagName('li');
  for (var i=0; i<lis.length; i++) {
    if (lis[i] != obj) {
      lis[i].className='';
      lis[i].onclick = function() {
        selectMe(this);
      };
   } else {
      setVal(obj.selectID, obj.selIndex);
      obj.className='selected';
      obj.parentNode.className = 
        obj.parentNode.className.replace(new RegExp(" selectOpen\\b"), '');
      obj.onclick = function() {
        obj.parentNode.className += ' selectOpen';
        this.onclick = function() {
          selectMe(this);
        };
      };
    }
  }
}
function setVal(objID,val) {
  var obj = document.getElementById(objID);
  obj.selectedIndex = val;
}
function setForm() {
  /*
  // Changed select form elements to unordered lists on the fly.
  // Used for the language selection box.
  // Temporarily removing because it is affecting other select lists.
  var s = document.getElementsByTagName('select');
  for (var i=0; i<s.length; i++) {
    selectReplacement(s[i]);
  }
  */
}
window.onload = function() {
  (document.all && !window.print) ? null : setForm();
};


/* New window script */

function wopen(url, name, w, h)
{
// Fudge factors for window decoration space.
// w += 32;
h += 96;
 var win = window.open(url,
  name,
  'width=' + w + ', height=' + h + ', ' +
  'location=no, menubar=no, ' +
  'status=no, toolbar=no, scrollbars=no, resizable=yes');
 win.resizeTo(w, h);
 win.focus();
}