/*ロールオーバー*/

function Rollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				fileName = new Array(images[i].getAttribute("src").replace("_off.", "_on."));
				preImages = new Array();
				for (j=0; j<fileName.length; j++)
				{
					preImages[j] = new Image();
					preImages[j].src = fileName[j];
				}
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", Rollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", Rollover);
}


/*コピーライト年号*/

function NowYear() {
   var now = new Date();
   var year = now.getFullYear();
   document.write(year);
}


/*ページの先頭へ*/

$(function () {
	if (! $.browser.safari) {
		$('.pagetop').click(function () {
			$(this).blur();
			$('html,body').animate({ scrollTop: 0 }, 'fast');
			return false;
		});
	}
});


/*トップバナー*/

function slideSwitch() {
	var $active = $('#topbanner img.active');
	if ( $active.length == 0 ) $active = $('#topbanner img:last');
	var $next =  $active.next().length ? $active.next() : $('#topbanner img:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, 1000, function() {
			$active.removeClass('active last-active');
		});
	}
	$(function() {
		setInterval( "slideSwitch()", 8000 );
});