/*------------------------------------------------------------------
Author:			Jay Contonio
Last change:	2008-12-19
-------------------------------------------------------------------*/

// current_menu holds the current dropdown menu
var current_menu;
// timer is the timeout variable for the dropdown menu
var timer;
// The current nav item
var currentNavItem;

/* Setup dropdowns 
------------------------------------------------------------------ */
function setupDropDowns() {
	dropdown_menus = $('.subnav');
	dropdown_menus.each(function() {
		$(this).mouseover(function() {
			clearTimeout(timer);
		});
	});
	dropdown_menus.each(function() {
		$(this).mouseout(function() {
			collapseMenu(this,10);
		});
	});
}


/* Dropdown functionality
------------------------------------------------------------------ */
function toggleMenu(navItem,element) {
	// Clear out any timer
	clearTimeout(timer);
	
	// If there is a menu already visible, hide it
	if(current_menu) {
		current_menu.hide();
		$(currentNavItem.firstChild).removeClass('highlight');
	}
	
	// Set the current navigation item
	currentNavItem = navItem;
	
	// Position that sucker
	var offset = $(navItem).offset();
	var xPos = offset.left;
	$(element).css({ left: xPos + 'px' });
	
	// Set the hover on the navigation item
	$(currentNavItem.firstChild).addClass('highlight');
	
	// Show the menu
	$(element).show();
	
	// set this menu as the current_menu
	current_menu = $(element);
	// TURNING OFF THE TIMED HIDE AS REQUESTED ON 9/8/09
	// var collapse = function() {
	// 		collapseMenu(current_menu);
	// 	}
	// timer = setTimeout(collapse, 0);
}
function collapseMenu(element,length) {
	if(!length) length = 1000;
	var collapse = function() {
		$(element).fadeOut('fast');
		$(currentNavItem.firstChild).removeClass('highlight');
	}
	timer = setTimeout(collapse, length);
}