$(document).ready(function(){

	//	External links
	$('a[href^="http://"]').attr("target", "_blank");

	// ie6 1px bug
	if( is_ie6 )
	{
		$('#nav-main a.b1').each(function(){

			if( $(this).width()%2 == 1 )
			{
				$(this).width($(this).width()+1);
			}
		});
	}


	//	Menu positioning, center the submenus under the active tab
	$("#nav-main a").hover( function() {
		var button_id	= $(this).attr("id");
		var	menu_id		= "#m-" + button_id.substring( 2, button_id.length );

		var	absolute_left	= 10 + $("#menu-area").offset().left;

		var p = $( this );
		var offset = p.offset();

		var	button_width	= $("#"+button_id).width() + 52;
		var	menu_width		= $(menu_id).width();


		var	menu_offset		= offset.left - ( menu_width - button_width ) / 2;

		if( menu_offset < absolute_left )
		{
			menu_offset	= absolute_left;
		}

		if( menu_offset > ( absolute_left + 910  - menu_width ) )
		{
			menu_offset	= absolute_left + 910 - menu_width;
		}

		$( menu_id ).css( "left", menu_offset );
		$( menu_id ).css( "top", ( offset.top + $( this ).height() ) );

	}, function() {
	});









	//	Menu positioning, center the section menu on load

		var	active_item	= $("#nav-main").find("li.li-active a");

		if( active_item )
		{
			var button_id	= $(active_item).attr("id");
			var	menu_id		= "#nav-section";

			var	absolute_left	= 10 + $("#menu-area").offset().left;
	//		var	absolute_left	= 0;

			var p = $( active_item );
			var offset = p.offset();

			var	button_width	= $("#"+button_id).width() + 52;
			var	button_left		= offset.left - absolute_left;
			var	menu_width		= $(menu_id).width();


			var	menu_offset		= button_left - ( menu_width - button_width ) / 2;


			if( menu_offset < 0 )
			{
				menu_offset	= 0;
			}

			if( menu_offset > 910 )
			{
				menu_offset	= 910 - menu_width;
			}

			$( menu_id ).css( "left", 10 + menu_offset );
		}


});