// change.button //

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];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


// window.open //

function openwin(url) {
 w = window.open(url, 'win','width=640,height=400,status=no,scrollbars=yes,directories=no,menubar=no,resizable=no,toolbar=no');
}


// picture.fade //

nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;

    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}


/*
===========================================================
フォントサイズ変更スクリプト（タイプC）
insomnia!
http://insomnia.jp/
http://insomnia.jp/workshop/
===========================================================
*/

var fontSizeUnit = "%";

var perOrder = 10;

var defaultSize = 100;

var ckName = "pref_paper_or_jp";

var ckDays = 30;

var ckPath = "/"

var fsCK = GetCookie( ckName );

if ( fsCK == null ){
  var currentSize = defaultSize;
}
else{
  var currentSize = eval( fsCK );
}


document.writeln( '<style type="text/css">' );
document.write( 'body{font-size:' + currentSize + fontSizeUnit+ '}' );
document.writeln( '</style>' );


function fsc( CMD ){


  if ( CMD == "larger" ){
    var newSize = Number( currentSize + perOrder );
    SetCookie( ckName , newSize );
  }

  if ( CMD == "smaller" ){
    if ( currentSize != perOrder ){
      var newSize = Number( currentSize - perOrder );
      SetCookie( ckName , newSize );
    }
    else{
      var newSize = Number( currentSize );
    }
  }

  if ( CMD == "default" ){
    DeleteCookie( ckName );
  }

  location.reload();
}


function SetCookie( name , value ){
  var dobj = new Date();
  dobj.setTime(dobj.getTime() + 24 * 60 * 60 * ckDays * 1000);
  var expiryDate = dobj.toGMTString();
  document.cookie = name + '=' + escape(value) + ';expires=' + expiryDate + ';path=' + ckPath;
}


function GetCookie (name){
  var arg  = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen){
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
    return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break;
  }
  return null;
}


function getCookieVal (offset){
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset,endstr));
}


function DeleteCookie(name){
  if (GetCookie(name)){
    document.cookie = name + '=' +
    '; expires=Thu, 01-Jan-70 00:00:01 GMT;path='+ckPath;
  }
}


// window.scroll //

function getScrollLeft() {
if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
return document.documentElement.scrollLeft;
} else if (window.pageXOffset) {
return window.pageXOffset;
} else {
return 0;
}
}

function getScrollTop() {
if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
return document.documentElement.scrollTop;
} else if (window.pageYOffset) {
return window.pageYOffset;
} else {
return 0;
}
}

var pageScrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) {
if (pageScrollTimer) clearTimeout(pageScrollTimer);
if (!toX || toX < 0) toX = 0;
if (!toY || toY < 0) toY = 0;
if (!cuX) cuX = 0 + getScrollLeft();
if (!cuY) cuY = 0 + getScrollTop();
if (!frms) frms = 6;

if (toY > cuY && toY > (getAnchorPosObj('end','enddiv').y) - getInnerSize().height) toY = (getAnchorPosObj('end','enddiv').y - getInnerSize().height) + 1;
cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
var posX = Math.floor(cuX);
var posY = Math.floor(cuY);
window.scrollTo(posX, posY);

if (posX != toX || posY != toY) {
pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
}
}

function jumpToPageTop() {
pageScroll(0,0,5);
}


// image.mirror //

/* From prototype.js */
if (!document.myGetElementsByClassName) {
	document.myGetElementsByClassName = function(className) {
		var children = document.getElementsByTagName('*') || document.all;
		var elements = new Array();
	  
		for (var i = 0; i < children.length; i++) {
			var child = children[i];
			var classNames = child.className.split(' ');
			for (var j = 0; j < classNames.length; j++) {
				if (classNames[j] == className) {
					elements.push(child);
					break;
				}
			}
		}
		return elements;
	}
}

var Reflection = {
	defaultHeight : 0.5,
	defaultOpacity: 0.5,
	
	add: function(image, options) {
		Reflection.remove(image);
		
		doptions = { "height" : Reflection.defaultHeight, "opacity" : Reflection.defaultOpacity }
		if (options) {
			for (var i in doptions) {
				if (!options[i]) {
					options[i] = doptions[i];
				}
			}
		} else {
			options = doptions;
		}
	
		try {
			var d = document.createElement('div');
			var p = image;
			
			var classes = p.className.split(' ');
			var newClasses = '';
			for (j=0;j<classes.length;j++) {
				if (classes[j] != "reflect") {
					if (newClasses) {
						newClasses += ' '
					}
					
					newClasses += classes[j];
				}
			}

			var reflectionHeight = Math.floor(p.height*options['height']);
			var divHeight = Math.floor(p.height*(1+options['height']));
			
			var reflectionWidth = p.width;
			
			if (document.all && !window.opera) {
				/* Fix hyperlinks */
                if(p.parentElement.tagName == 'A') {
	                var d = document.createElement('a');
	                d.href = p.parentElement.href;
                }  
                    
				/* Copy original image's classes & styles to div */
				d.className = newClasses;
				p.className = 'reflected';
				
				d.style.cssText = p.style.cssText;
				p.style.cssText = 'vertical-align: bottom';
			
				var reflection = document.createElement('img');
				reflection.src = p.src;
				reflection.style.width = reflectionWidth+'px';
				reflection.style.display = 'block';
				reflection.style.height = p.height+"px";
				
				reflection.style.marginBottom = "-"+(p.height-reflectionHeight)+'px';
				reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
				
				d.style.width = reflectionWidth+'px';
				d.style.height = divHeight+'px';
				p.parentNode.replaceChild(d, p);
				
				d.appendChild(p);
				d.appendChild(reflection);
			} else {
				var canvas = document.createElement('canvas');
				if (canvas.getContext) {
					/* Copy original image's classes & styles to div */
					d.className = newClasses;
					p.className = 'reflected';
					
					d.style.cssText = p.style.cssText;
					p.style.cssText = 'vertical-align: bottom';
			
					var context = canvas.getContext("2d");
				
					canvas.style.height = reflectionHeight+'px';
					canvas.style.width = reflectionWidth+'px';
					canvas.height = reflectionHeight;
					canvas.width = reflectionWidth;
					
					d.style.width = reflectionWidth+'px';
					d.style.height = divHeight+'px';
					p.parentNode.replaceChild(d, p);
					
					d.appendChild(p);
					d.appendChild(canvas);
					
					context.save();
					
					context.translate(0,image.height-1);
					context.scale(1,-1);
					
					context.drawImage(image, 0, 0, reflectionWidth, image.height);
	
					context.restore();
					
					context.globalCompositeOperation = "destination-out";
					var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
					
					gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
					gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options['opacity'])+")");
		
					context.fillStyle = gradient;
					context.rect(0, 0, reflectionWidth, reflectionHeight*2);
					context.fill();
				}
			}
		} catch (e) {
	    }
	},
	
	remove : function(image) {
		if (image.className == "reflected") {
			image.className = image.parentNode.className;
			image.parentNode.parentNode.replaceChild(image, image.parentNode);
		}
	}
}

function addReflections() {
	var rimages = document.myGetElementsByClassName('reflect');
	for (i=0;i<rimages.length;i++) {
		var rheight = null;
		var ropacity = null;
		
		var classes = rimages[i].className.split(' ');
		for (j=0;j<classes.length;j++) {
			if (classes[j].indexOf("rheight") == 0) {
				var rheight = classes[j].substring(7)/100;
			} else if (classes[j].indexOf("ropacity") == 0) {
				var ropacity = classes[j].substring(8)/100;
			}
		}
		
		Reflection.add(rimages[i], { height: rheight, opacity : ropacity});
	}
}

var previousOnload = window.onload;
window.onload = function () { if(previousOnload) previousOnload(); addReflections(); }