// tracks which previous option was selected for radio groups
var previousOption = Array( );
var previousType = Array( );

function buttonOn( b ) {
  if( b.src.slice( -10 ) == 'spacer.png' && b.style.filter ) {
    b.style.filter = b.style.filter.replace( '_off.', '_over.' );
  }
  else {
    b.src = b.src.replace( '_off.', '_over.' );
  }
}

function buttonOff( b ) {
  if( b.src.slice( -10 ) == 'spacer.png' && b.style.filter ) {
    b.style.filter = b.style.filter.replace( '_over.', '_off.' );
  }
  else {
    b.src = b.src.replace( '_over.', '_off.' );
  }
}

function highlightOption ( pName, oName, clearPrev ) {
  if( oName != previousOption[pName] || !clearPrev ) {
    o = document.getElementById( oName );
    if( o != null ) {
      var c = o.className;
      if( c.indexOf( 'option_on' ) != -1 ) {
        var l = c.length;
        c = c.substr( 0, l - 10 );
        o.className = c;
      }
      else {
        o.className = o.className + ' option_on';
        if( clearPrev ) {
          highlightOption( pName, previousOption[pName], false );
        }
        previousOption[pName] = oName;
      }
    }
  }
}

function setTypeOptions ( o ) {
  var op = document.getElementById( 'type_option_container' );

  // hide the previous type if we've selected a new type
  if( o.value != previousType[o.name] ) {
    if( previousType[o.name] != null ) {
      var d = document.getElementById( previousType[o.name] + '_options' );
      if( d != null ) {
        d.className = d.className.replace( '_on', '_off' );
        previousType[o.name] = null;
      }
    }
  }

  // toggle the entire panel
  if( o.value == 'all' ) {
    op.style.display = 'none';
  }
  else {
    op.style.display = '';
  }

  // show the newly selected type
  var d = document.getElementById( o.value + '_options' );
  if( d != null ) {
    d.className = d.className.replace( '_off', '_on' );
  }

  // remember the type
  previousType[o.name] = o.value;
}

function setTooltips() { $(document).ready(function() { $('.icon,td.sricon img,span.sricon a,span.sricon img').cluetip({showTitle: false, positionBy: 'mouse'}); } ); }

/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 *  Maintainers: [[**MAINTAINERS**]]
 */
var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
 
function collapseTable( tableIndex ) {
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
	if ( !Table || !Button ) {
		return false;
	}
 
	var Rows = Table.rows;
 
	if ( Button.firstChild.data == collapseCaption ) {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}
 
function createCollapseButtons() {
	var tableIndex = 0;
	var NavigationBoxes = new Object();
	var Tables = document.getElementsByTagName( 'table' );
 
	for ( var i = 0; i < Tables.length; i++ ) {
		if ( hasClass( Tables[i], 'collapsible' ) ) {
			/* only add button and increment count if there is a header row to work with */
			var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
			if( !HeaderRow ) continue;
			var Header = HeaderRow.getElementsByTagName( 'th' )[0];
			if( !Header ) continue;
 
			NavigationBoxes[tableIndex] = Tables[i];
			Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
			var Button     = document.createElement( 'span' );
			var ButtonLink = document.createElement( 'a' );
			var ButtonText = document.createTextNode( collapseCaption );
 
			Button.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css
 
			ButtonLink.style.color = Header.style.color;
			ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
			ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
			ButtonLink.appendChild( ButtonText );
 
			Button.appendChild( document.createTextNode( '[' ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( ']' ) );
 
			Header.insertBefore( Button, Header.childNodes[0] );
			tableIndex++;
		}
	}
 
	for ( var i = 0;  i < tableIndex; i++ ) {
		if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
			collapseTable( i );
		}
	}
}
 
addOnloadHook( createCollapseButtons );
 
/** Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 */
 
var hasClass = (function() {
	var reCache = {};
	return function( element, className ) {
		return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
	};
})();