function slideSwitch() {
var $active = $('#slideshow img.active');
if ( $active.length == 0 ) $active = $('#slideshow img:last');
var $next =  $active.next().length ? $active.next() : $('#slideshow 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()", 4000 );
});

function link_op(num){
	var addr = new Array();
	var win_op = new Array();
	addr[1]="http://www.msc-ehime.jp/deai_event/";
	addr[2]="http://www.msc-ehime.jp/aimusubi/";
	addr[3]="http://www.msc-ehime.jp/aicon/";
	win_op[1]="_self";
	win_op[2]="_self";
	win_op[3]="_self";
	window.open(addr[num],win_op[num]);
}