/* Top BG image */
var bgImg = new Array(
"images/img01.png",
"images/img02.png"
);
function cbgImg(){
    var i = Math.floor(bgImg.length * Math.random());
    $("#topImg").css("background", "url(" + bgImg[i] + ")");
}




/* rollover */

jQuery(document).ready(function($) {
	var postfix = '_on';
	$('.rollover img,#pagetop img,.pagetop img').not('[src*="'+ postfix +'."]').each(function() {
		var img = $(this);
		var src = img.attr('src');
		var src_on = src.substr(0, src.lastIndexOf('.'))
		           + postfix
		           + src.substring(src.lastIndexOf('.'));
		$('<img>').attr('src', src_on);
		img.hover(
			function() {
				img.attr('src', src_on);
			},
			function() {
				img.attr('src', src);
			}
		);
	});
});

/**
 * External Link
 * 
 * Copyright (c) 2009 Kyosuke Nakamura (kyosuke.jp)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

$(function(){
	var siteUri = 'http://www.volvic.co.jp/';
	var siteUri2 = 'https://www.volvic.co.jp/';
	var windowOpen = true;
	var externalClass = 'externalLink';
	var externalIconSrc = 'img/icon_external.png';
	var externalIconClass = 'externalIcon';
	var pdfIconSrc = 'img/icon_pdf.png';
	var pdfIconClass = 'pdfIcon';

	var externalLinks = $('a[href^="http://"],a[href^="https://"]').not('a[href^="' + siteUri + '"],a[href^="' + siteUri2 + '"]');
	if (windowOpen) {
		externalLinks.click(function(){
			window.open($(this).attr('href'), '_blank');
			return false;
		});
	}
	externalLinks.addClass(externalClass);

	if (externalIconSrc) {
		externalLinks.not(':has(img)').after($('<span class="'+ externalIconClass +'">&nbsp;</span>'));
	}
	var pdfLinks = $('a[href$=".pdf"]');
	if (pdfIconSrc) {
		pdfLinks.not(':has(img)').after($('<span class="'+ pdfIconClass +'">&nbsp;</span>'));
	}
});


/* window open */

function openLinkPopup(wUrl,wWidth,wHeight){
	var wObj;
	var winName = Math.round(Math.random()*1000);
	scWidthCenter = screen.availWidth / 2;
	scHeightCenter = screen.availHeight / 2;
	wOption =
	"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width="
	+ wWidth + ",height=" + wHeight + ",left=" + (scWidthCenter - (wWidth /
	2)) + ",top=" + (scHeightCenter - (wHeight / 2));
	wObj = window.open(wUrl,winName,wOption);
	wObj.focus();
}