$(document).ready(function(){
	$(".alphaover").fadeTo(0,1);
	$(".alphaover").hover(
		function(){$(this).fadeTo(150,1);},
		function(){$(this).fadeTo(150,1);}
	);
});




/* rollover */
jro = {};
jro.rollover = {
	init: function(){
		this.preload();
		$(".hover").hover(
			function () { $(this).attr( 'src', jro.rollover.newimage($(this).attr('src')) ); },
			function () { $(this).attr( 'src', jro.rollover.oldimage($(this).attr('src')) ); }
		);
	},
	preload: function(){
		$(window).bind('load', function() {
			$('.hover').each( function( key, elm ) { $('<img>').attr( 'src', jro.rollover.newimage( $(this).attr('src') ) ); });
		});
	},
	newimage: function( src ){
		src = src.replace(/_over/g, '');
		return src.substring( 0, src.search(/(\.[a-z]+)$/) ) + '_over' + src.match(/(\.[a-z]+)$/)[0];
	},
	oldimage: function( src ){
		return src.replace(/_over/g, '');
	}
};

/*smooth scroll*/
function SmoothScroll(targetID){
	if( !document.getElementById ) {return true;}
	var step=1;
	var max=200;
	var accel=5;
	var interval=30;
	var current_y = document.body.scrollTop	|| document.documentElement.scrollTop;
	var element=document.getElementById(targetID);
	if (!element){return true;}
	var target_y = 0;
	for (i = element;i.offsetParent;i=i.offsetParent ){
		target_y += i.offsetTop;
	}
	var count=0;
	if ( current_y > target_y ){ step = -(step); accel = -(accel);}
	var timerid = setInterval( function(){
		if (step<max) step += (count*accel);
		if ( Math.abs(current_y-target_y) < Math.abs(step) ){
			window.scrollTo((document.body.scrollTop || document.documentElement.scrollTop),target_y);
			clearInterval(timerid);
			return false;
		}else{
			window.scrollBy(0,step);
			current_y += step;
			count++;
		}
	},interval);
	return false;
}






/* font-family:ブラウザ分岐 */
var App = navigator.appName;
var Agent = navigator.userAgent;

//ここからブラウザとOS分岐(MAC)
if(Agent.indexOf('Mac') != -1) {
		document.open();
		document.write('<link rel="stylesheet" type="text/css" href="/css/style_mac.css" title="Mac_style">');
		document.close();
}