var com = com || {};
com.site = com.site || {};




/**
	void show(String id)
	set $(id).style.display = '';
*/
com.site.show = function (id)
{
	com.site.hideCurrentMenu();
	com.site.currentMenuId = id;
	com.site.$(id).style.display = '';
};

/**
	void hide(HTMLElement myElement)
	set $(id).style.display = 'none';
*/

com.site.hide = function (id)
{
	com.site.currentMenuId = null;
	com.site.$(id).style.display = 'none';
};


/**
	void hideCurrentMenu()
	set $(id).style.display = '';
*/
com.site.hideCurrentMenu = function ()
{
	if (com.site.currentMenuId)
	{
		com.site.hide(com.site.currentMenuId);
	}
};

/**
	HTMLElement $(String id)
	returns document.getElementById(id)
*/
com.site.$ = function (id)
{
	return document.getElementById(id);
};