function onclick_sub_menu( event )
{
	var a_obj;
	var i;

	a_obj = $( "#menu > a" );

	for ( i = 0 ; i < a_obj.length ; i++ )
	{
		a_obj[ i ].style.backgroundImage = a_obj[ i ].non_act_image;
		a_obj[ i ].style.color = "#667B88";
	}

	event.style.backgroundImage = event.act_image;
	event.style.color = "#262626";
}

function set_onclick_sub_menu( page_index , act_image , non_act_image )
{
	var a_obj;
	var i;
	var index;

	a_obj = $( "#menu > a" );

	if ( page_index.length )
	{
		index = parseInt( page_index );
	}
	else
	{
		index = 0;
	}

	for ( i = 0 ; i < a_obj.length ; i++ )
	{
		a_obj[ i ].act_image = act_image;
		a_obj[ i ].non_act_image = non_act_image;
		a_obj[ i ].onclick = function() { onclick_sub_menu( this ); };
	}

	for ( i = 0 ; i < a_obj.length ; i++ )
	{
		if ( i == index )
		{
			onclick_sub_menu( a_obj[ i ] );
		}
	}
}