var window_width = 488;

var open_windows = new Array();

function desktop_1( element ) {

  if ( screen.availLeft != undefined ) {
    var left = screen.availLeft;
  } else {
    var left = 0;
  }
  
  var params = 'scrollbars=yes,location=no,menubar=no,personalbar=no,status=no,titlebar=no,toolbar=no';
  
  var win = window.open( '/list.php?i=' + element, element, params + ',width=' + window_width + ',height=340,left=' + left + ',top=0' );
  win.focus();
  open_windows.push( win );

  return false;
}

function desktop_2_2( top_left, top_right, bottom_left, bottom_right ) {

  closeOpenWindows();
  
  if ( screen.availLeft != undefined ) {
    var left = screen.availLeft;
  } else {
    var left = 0;
  }
  
  var params = 'scrollbars=yes,location=no,menubar=no,personalbar=no,status=no,titlebar=no,toolbar=no';
  
  var win = window.open( '/list.php?i=' + top_left, top_left, params + ',width=' + window_width + ',height=340,left=' + left + ',top=0' );
  win.focus();
  open_windows.push( win );

  var win = window.open( '/list.php?i=' + top_right, top_right, params + ',width=' + window_width + ',height=340,left=' + ( left + window_width + 8 ) + ',top=0' );
  win.focus();
  open_windows.push( win );

  var win = window.open( '/list.php?i=' + bottom_left, bottom_left, params + ',width=' + window_width + ',height=340,left=' + left + ',top=421' );
  win.focus();
  open_windows.push( win );
  
  var win = window.open( '/list.php?i=' + bottom_right, bottom_right, params + ',width=' + window_width + ',height=340,left=' + ( left + window_width + 8 ) + ',top=421' );
  win.focus();
  open_windows.push( win );

  return false;
}

function desktop_1_2( left, top_right, bottom_right ) {

  closeOpenWindows();
  
  if ( screen.availLeft != undefined ) {
    var pos_left = screen.availLeft;
  } else {
    var pos_left = 0;
  }
  
  var params = 'scrollbars=yes,location=no,menubar=no,personalbar=no,status=no,titlebar=no,toolbar=no';
  
  var win = window.open( '/list.php?i=' + left, left, params + ',width=' + window_width + ',height=761,left=' + pos_left + ',top=0' );
  win.focus();
  open_windows.push( win );

  var win = window.open( '/list.php?i=' + top_right, top_right, params + ',width=' + window_width + ',height=340,left=' + ( pos_left + window_width + 8 ) + ',top=0' );
  win.focus();
  open_windows.push( win );

  var win = window.open( '/list.php?i=' + bottom_right, bottom_right, params + ',width=' + window_width + ',height=340,left=' + ( pos_left + window_width + 8 ) + ',top=421' );
  win.focus();
  open_windows.push( win );

  return false;
}

function closeOpenWindows() {
  open_windows.each(
    function( w ) { w.close(); }
  );
  open_windows = new Array();
}