// Dropdown navigation
jQuery( document) . ready( function( $ ) {
	/** Sub-page dropdown menus */
	$( '.mainnav>li' ) . hover(
		function() {
			$( this ) . children( 'ul' ) . fadeIn();
		},
		function() {
			$( this ) . children( 'ul' ) . fadeOut();
		}
	);
	$( '.mainnav>li ul li' ) . hover(
		function() {
			var v_offset = $( this ) . height() * $( this ) . parents( 'ul' ) .children( 'li' ) . index( this );
			var h_offset = $( this ) . width();
			$( this ) . children( 'ul' ) . css( 'top', v_offset ) . css( 'left', h_offset ) . fadeIn();
		},
		function() {
			$( this ) . children( 'ul' ) . fadeOut();
		}
	);
} );