MediaWiki:Gadget-CellShowHide.js

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var showText = '[Show]';
var showPseudoLink = $( '<a>' ).addClass( 'cargoToggle' ).text( showText );
var hideText = '[Hide]';

$('span.cargoMinimizedText')
	.hide()
	.parent().prepend( showPseudoLink );

$('a.cargoToggle').click( function() {
	if ( $(this).text() == showText ) {
		$(this).siblings('.cargoMinimizedText').show(100).css('display', 'inline');
		$(this).text(hideText);
	} else {
		$(this).siblings('.cargoMinimizedText').hide(100);
		$(this).text(showText);
	}
});