function updateNP()
{
	if( curInfoPage == 0 )
	{
		$("#b0_p").attr("src","/img/np0_x.gif");
	}
	else
	{
		$("#b0_p").attr("src","/img/np0_n.gif");
	}
	if( curInfoPage == numInfoPage-1 )
	{
		$("#b0_n").attr("src","/img/np1_x.gif");
	}
	else
	{
		$("#b0_n").attr("src","/img/np1_n.gif");
	}
	if( curPickupPage == 0 )
	{
		$("#b1_p").attr("src","/img/np0_x.gif");
	}
	else
	{
		$("#b1_p").attr("src","/img/np0_n.gif");
	}
	if( curPickupPage == numPickupPage-1 )
	{
		$("#b1_n").attr("src","/img/np1_x.gif");
	}
	else
	{
		$("#b1_n").attr("src","/img/np1_n.gif");
	}
	$(".b0").each(function(){
		if( $(this).attr("id") == 'b0_p'+curInfoPage )
		{
			$(this).removeClass("dh");
		}
		else
		{
			$(this).addClass("dh");
		}
	});
	$(".b1").each(function(){
		if( $(this).attr("id") == 'b1_p'+curPickupPage )
		{
			$(this).removeClass("dh");
		}
		else
		{
			$(this).addClass("dh");
		}
	});
}

$(function(){
	$("#b0_p").click(function(){
		if( curInfoPage > 0 )
		{
			curInfoPage--;
		}
		updateNP();
	});
	$("#b0_n").click(function(){
		if( curInfoPage < numInfoPage-1 )
		{
			curInfoPage++;
		}
		updateNP();
	});
	$("#b1_p").click(function(){
		if( curPickupPage > 0 )
		{
			curPickupPage--;
		}
		updateNP();
	});
	$("#b1_n").click(function(){
		if( curPickupPage < numPickupPage-1 )
		{
			curPickupPage++;
		}
		updateNP();
	});
  $(".np0").hover(
  	function()
  	{
			var urlStr = $(this).attr("src");
			if( urlStr.indexOf("_n.gif") !== -1 )
			{
				$(this).attr("src",urlStr.replace("_n","_a"));
			}
		},
		function()
		{
			var urlStr = $(this).attr("src");
			if( urlStr.indexOf("_a.gif") !== -1 )
			{
				$(this).attr("src",urlStr.replace("_a","_n"));
			}
		}
  );
  $(".np1").hover(
  	function()
  	{
			var urlStr = $(this).attr("src");
			if( urlStr.indexOf("_n.gif") !== -1 )
			{
				$(this).attr("src",urlStr.replace("_n","_a"));
			}
		},
		function()
		{
			var urlStr = $(this).attr("src");
			if( urlStr.indexOf("_a.gif") !== -1 )
			{
				$(this).attr("src",urlStr.replace("_a","_n"));
			}
		}
  );
  updateNP();
});