// 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;
}

var markerList = Array( );
var currentMarker = null;

function showRoutes ( markerId, map ) {
  for( var i in markerList ) {
    if( i.indexOf( markerId ) == 0 && markerId.indexOf( i ) != 0 ) {
      map.addOverlay( markerList[i] );
    }
  }
  currentMarker = markerId;
}

function hideRoutes ( markerId, map ) {
  if( currentMarker != null ) {
    for( var i in markerList ) {
      if( i.indexOf( markerId ) == 0 && markerId.indexOf( i ) != 0 ) {
        map.removeOverlay( markerList[i] );
      }
    }
  }
}

function setTooltips() { $(document).ready(function() { $('td.sricon img,div.iteminfosection img').cluetip({showTitle: false, positionBy: 'mouse'}); } ); }
function setRowHighlightOnClick( clickedObject ) { $("#resultstable tr").removeClass('rowOn'); $(clickedObject).parent().parent().addClass('rowOn'); }