var section_menu_current = '';
var showme, hideme;
$each( $('main_menu').getElements('a'), function(a) {
	a.addEvents({
		'mouseenter' : function() {
			showme = setTimeout("showHeading('"+this.rel+"');",10);
		},
		'mouseleave' : function() {
			hideme = setTimeout("hideHeading('"+this.rel+"');",10);
		}
	});
});
$each( $('main_menu_wrapper').getElements('.section_menu'), function(el) {
	el.addEvents({
		'mouseenter' : function() {
			clearTimeout( hideme );
			$(this).setStyle('visibility','visible');
		},
		'mouseleave' : function() {
			clearTimeout( showme );
			$(this).setStyle('visibility','hidden');
			if ( section_menu_current != '' ) {
				$(section_menu_current).setStyle('visibility','visible');
				section_menu_current = '';
			}
			if ( $('section_menu_label') ) {
				$('section_menu_label').removeClass('hidden');
			}
			if ( $('header_project_selected') ) {
				$('header_project_selected').removeClass('hidden');
			}
		}
	});
});
function showHeading( idx ) {
	if ( $('section_menu_'+idx) ) {
		$each( $('main_menu_wrapper').getElements('.section_menu'), function(el) {
			$(el).setStyle('visibility','hidden');
		});
		$each( $('main_menu_wrapper').getElements('.section_menu_active'), function(el) {
			section_menu_current = el;
			$(el).setStyle('visibility','hidden');
		});
		$('section_menu_'+idx).setStyle('visibility','visible');
		if ( $('section_menu_label') ) {
			$('section_menu_label').addClass('hidden');
		}
		if ( $('header_project_selected') ) {
			$('header_project_selected').addClass('hidden');
		}
	}
}
function hideHeading( idx ) {
	if ( $('section_menu_'+idx) ) {
		$('section_menu_'+idx).setStyle('visibility','hidden');
		if ( section_menu_current != '' ) {
			$(section_menu_current).setStyle('visibility','visible');
			section_menu_current = '';
		}
		if ( $('section_menu_label') ) {
			$('section_menu_label').removeClass('hidden');
		}
		if ( $('header_project_selected') ) {
			$('header_project_selected').removeClass('hidden');
		}
	}
}