$(function(){

/* global nav */
	$("#global_navi ul li#menu03").hover(
		function () {$("#global_navi ul li#menu03 ul").css("display","block")},
		function () {$("#global_navi ul li#menu03 ul").css("display","none");}
	);
	$("#menu03").hover(
		function () {$("#menu03 a").css("background-position","0 -72px"); $("#menu03 ul li a").css("background-position","0 -20px");},
		function () {$("#menu03 a").css("background-position","0 0"); $("#menu03 ul li a").css("background-position","0 0");}
	);
	$("#global_navi ul li ul li a").hover(
		function () {$(this).css("background-position","0 -40px");},
		function () {$(this).css("background-position","0 -20px");}
	);
/* end global nav */

/* pagetop */
	var mainHeight = $("div#main_content").height()+8;
	var totalSize = $(this).scrollTop()+$(window).height()-200;
	var resultSize = Math.min(mainHeight-$("div#main_content").height(),totalSize-$("div#main_content").height());
	var pagetop_b=""+(resultSize)+"px";
	$("p#pagetop").css("left","28px");
	$("p#pagetop img").css("cursor","pointer");
	$("p#pagetop").css("top",pagetop_b);

	jQuery.easing.easeOutQuart = function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	}

	$(window).scroll(function () {
		$("p#pagetop").stop();
		var mainHeight = $("div#main").height()+8;
		var totalSize = $(this).scrollTop()+$(window).height()-150;
		var resultSize = Math.min(mainHeight-$("div#main").height(),totalSize-$("div#main").height());
		var pagetop_b=""+(resultSize)+"px";
		$("p#pagetop").css("left","28px");
		$("p#pagetop").animate({top: pagetop_b}, 450 , "easeOutQuart");
	});

	$("p#pagetop").click(function () {
		$('html,body').animate({ scrollTop: 0 }, 350, 'easeOutQuart');
	});
/* end pagetop */

/* portal nav */
	$("#portal_navi ul li:eq(0) a img").hover(
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav0o.gif");},
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav0.gif");}
	);

	$("#portal_navi ul li:eq(1) a img").hover(
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav1o.gif");},
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav1.gif");}
	);

	$("#portal_navi ul li:eq(2) a img").hover(
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav2o.gif");},
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav2.gif");}
	);

	$("#portal_navi ul li:eq(3) a img").hover(
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav3o.gif");},
		function(){$(this).eq(0).attr("src","http://www.webcre-map.net/img/common/nav3.gif");}
	);
/* end portal nav */

});