// JavaScript Document

/* 汎用定義 */

var doc = document;


/* contact */

var email = '<a href="mailto:mail@slss.info"><span>Mail</span></a>';


/* top header */

function rImgNum(){
    var imgNum= Math.floor(Math.random()*9);
    return imgNum;
}

function getImg(){
	var exImg = rImgNum();
	
	var imgName = new Array(9)
	imgName[0]= 'header01.jpg';
	imgName[1]= 'header02.jpg';
	imgName[2]= 'header03.jpg';
	imgName[3]= 'header04.jpg';
	imgName[4]= 'header05.jpg';
	imgName[5]= 'header06.jpg';
	imgName[6]= 'header07.jpg';
	imgName[7]= 'header08.jpg';
	imgName[8]= 'header09.jpg';
	return imgName[exImg]
}

var wImg = '<style type="text/css">#top div#header { background-image: url(../parts/top/' + getImg() + '); }</style>';


/* gallery */

var pg = '#gallery dd';
var pgt = '#gallery dt';
var pgtOn = {
	color: '#e00',
	cursor: 'pointer'
};
var pgtOff = {
	color:'#eee'
};
var pgtOpen = {
	backgroundImage: 'url(../parts/slss/pgtopen.gif)'
};
var pgtClose = {
	backgroundImage: 'url(../parts/slss/pgtclose.gif)'
};


/* log */

var logOn = {
	color: '#fc0',
	cursor: 'pointer',
	borderColor: '#fc0' 
};
var logOff = {
	color:'#e00',
	borderColor: '#e00'
};


/* roll over */

var yomotsuRollover = {
	
	main : function() {
		var img = document.images, ipt = document.getElementsByTagName('input'), i, preLoadImg = [];
		// img elements
		for (i = 0; i <img.length; i++) {
			if ((img[i].src.match(/.*_off\./))||(img[i].style.filter)){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = img[i].src.replace('_off.', '_on.');

				img[i].onmouseover = yomotsuRollover.over;
				img[i].onmouseout  = yomotsuRollover.out;
				try {img[i].addEventListener('click', yomotsuRollover.click, false);}
				catch(e){img[i].attachEvent('onclick', (function(el){return function(){yomotsuRollover.click.call(el);};})(img[i]));}
			}
		}
		// input[image] elements
		for (i = 0; i <ipt.length; i++) {
			if ((ipt[i].src.match(/.*_off\./))&&(ipt[i].getAttribute('type')=='image')){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = img[i].src.replace('_off.', '_on.');

				ipt[i].onmouseover = yomotsuRollover.over;
				ipt[i].onmouseout  = yomotsuRollover.out;
				try {ipt[i].addEventListener('click', yomotsuRollover.click, false);}
				catch(e){ipt[i].attachEvent('onclick', (function(el){return function(){yomotsuRollover.click.call(el);};})(ipt[i]));}
			}
		}
	}
	,
	
	over : function() {
		var imgSrc, preLoadImgSrc;
		if((this.style.filter)&&(this.style.filter.match(/_off\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_off.png', '_on.png');
		else
			this.src = this.src.replace('_off.', '_on.');
	},

	out : function(){
		if((this.style.filter)&&(this.style.filter.match(/_on\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_on.png', '_off.png');
		else
			this.src = this.src.replace('_on.', '_off.');
	},
	
	click : function(){
		if((this.style.filter)&&(this.style.filter.match(/_on\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_on.png', '_off.png');
		else
			this.src = this.src.replace('_on.', '_off.');
	},

	addEvent : function(){
		try {
			window.addEventListener('load', this.main, false);
		} catch (e) {
			window.attachEvent('onload', this.main);
		}
	}
}

yomotsuRollover.addEvent();

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf('#')!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf('?'))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}