WordPress/wp-admin/js/link.js

jQuery(document).ready( function($) {
	// close postboxes that should be closed
	jQuery('.if-js-closed').removeClass('if-js-closed').addClass('closed');

	jQuery('#link_name').focus();
	// postboxes
	postboxes.add_postbox_toggles('link');

	// category tabs
	var categoryTabs = jQuery('#category-tabs').tabs();

	// Ajax Cat
	var newCat = jQuery('#newcat').one( 'focus', function() { jQuery(this).val( '' ).removeClass( 'form-input-tip' ) } );
	jQuery('#category-add-sumbit').click( function() { newCat.focus(); } );
	var noSyncChecks = false; // prophylactic. necessary?
	var syncChecks = function() {
		if ( noSyncChecks )
			return;
		noSyncChecks = true;
		var th = jQuery(this);
		var c = th.is(':checked');
		var id = th.val().toString();
		jQuery('#in-category-' + id + ', #in-popular-category-' + id).attr( 'checked', c );
		noSyncChecks = false;
	};
	var catAddAfter = function( r, s ) {
		jQuery(s.what + ' response_data', r).each( function() {
			var t = jQuery(jQuery(this).text());
			t.find( 'label' ).each( function() {
				var th = jQuery(this);
				var val = th.find('input').val();
				var id = th.find('input')[0].id
				jQuery('#' + id).change( syncChecks );
				var name = jQuery.trim( th.text() );
				var o = jQuery( '<option value="' +  parseInt( val, 10 ) + '"></option>' ).text( name );
			} );
		} );
	};
	jQuery('#categorychecklist').wpList( {
		alt: '',
		what: 'link-category',
		response: 'category-ajax-response',
		addAfter: catAddAfter
	} );
	jQuery('#category-add-toggle').click( function() {
		jQuery(this).parents('div:first').toggleClass( 'wp-hidden-children' );
		categoryTabs.tabsClick( 1 );
		return false;
	} );
	jQuery('.categorychecklist :checkbox').change( syncChecks ).filter( ':checked' ).change();

	// Edit Settings
	$('#show-settings-link').click(function () {
		$('#edit-settings').slideDown('normal', function(){
			$('#show-settings-link').hide();
			$('#hide-settings-link').show();
			
		});
		$('#show-settings').addClass('show-settings-opened');
		return false;
	});
	
	$('#hide-settings-link').click(function () {
		$('#edit-settings').slideUp('normal', function(){
			$('#hide-settings-link').hide();
			$('#show-settings-link').show();
			$('#show-settings').removeClass('show-settings-opened');
		});
		
		return false;
	});
});