/**
 * ユーティリティ js
 *
 * @version 2010.02.04
 *
 */

(function(){
   var easing = 0.25;
   var interval = 20;
   var d = document;
   var targetX = 0;
   var targetY = 0;
   var targetHash = '';
   var scrolling = false;
   var splitHref = location.href.split('#');
   var currentHref_WOHash = splitHref[0];
   var incomingHash = splitHref[1];
	 var splitRef    = document.referrer.split('#');
   var referrerUrl = splitRef[0];
   var prevX = null;
   var prevY = null;

   addEvent(window, 'load', init);
   addEvent(window, 'load', hideLinkLine);
   addEvent(window, 'load', autoPOP);

	 //リンク周りの点線を隠す
   function hideLinkLine(){

      var blur = function () { this.blur() };
      for (var i = 0; i < document.links.length; i++)
      document.links[i].onfocus = blur;
   }
	 //init
   function init(){

     setOnClickHandler();
		 
		 if(referrerUrl != currentHref_WOHash){
			   return;
     }
     if(incomingHash){
       if(window.attachEvent && !window.opera){
         setTimeout(function(){scrollTo(0,0);setScroll('#'+incomingHash);},50);

       }else{
         scrollTo(0, 0);
         setScroll('#'+incomingHash);
       }
     }
   }

   //イベント追加
   function addEvent(eventTarget, eventName, func){
     if(eventTarget.addEventListener){
       eventTarget.addEventListener(eventName, func, false);
     }else if(window.attachEvent){
       eventTarget.attachEvent('on'+eventName, function(){func.apply(eventTarget);});
     }
   }
   
   function setOnClickHandler(){
     var links = d.links;
     for(var i=0; i<links.length; i++){
       var link = links[i];
       var splitLinkHref = link.href.split('#');
       if(currentHref_WOHash == splitLinkHref[0] && d.getElementById(splitLinkHref[1])){
         addEvent(link, 'click', startScroll);
       }
     }
   }

   function startScroll(event){
     if(event){
       event.preventDefault();
     }else if(window.event){ // IE
       window.event.returnValue = false;
     }
     setScroll(this.hash);
   }

   function setScroll(hash){
     var targetEle = d.getElementById(hash.substr(1));
     if(!targetEle)return;
     var ele = targetEle;
     var x = 0;
     var y = 0;
     while(ele){
       x += ele.offsetLeft;
       y += ele.offsetTop;
       ele = ele.offsetParent;
     }
     var maxScroll = getScrollMaxXY();
     targetX = Math.min(x, maxScroll.x);
     targetY = Math.min(y, maxScroll.y);
     targetHash = hash;
     if(!scrolling){
       scrolling = true;
       scroll();
     }
   }

   function scroll(){
     var currentX = d.documentElement.scrollLeft||d.body.scrollLeft;
     var currentY = d.documentElement.scrollTop||d.body.scrollTop;
     var vx = (targetX - currentX) * easing;
     var vy = (targetY - currentY) * easing;
     var nextX = currentX + vx;
     var nextY = currentY + vy;
     if((Math.abs(vx) < 1 && Math.abs(vy) < 1)
       || (prevX === currentX && prevY === currentY)){
       scrollTo(targetX, targetY);
       scrolling = false;
       location.hash = targetHash;
       prevX = prevY = null;
       return;
     }else{
       scrollTo(parseInt(nextX), parseInt(nextY));
       prevX = currentX;
       prevY = currentY;
       setTimeout(function(){scroll()},interval);
     }
   }
   
   function getDocumentSize(){
     return {width:Math.max(document.body.scrollWidth, document.documentElement.scrollWidth), height:Math.max(document.body.scrollHeight, document.documentElement.scrollHeight)};
   }

   function getWindowSize(){
     var result = {};
     if(window.innerWidth){
       var box = d.createElement('div');
       with(box.style){
         position = 'absolute';
         top = '0px';
         left = '0px';
         width = '100%';
         height = '100%';
         margin = '0px';
         padding = '0px';
         border = 'none';
         visibility = 'hidden';
       }
       d.body.appendChild(box);
       var width = box.offsetWidth;
       var height = box.offsetHeight;
       d.body.removeChild(box);
       result = {width:width, height:height};
     }else{
       result = {width:d.documentElement.clientWidth || d.body.clientWidth, height:d.documentElement.clientHeight || d.body.clientHeight};
     }
     return result;
   }
   
   function getScrollMaxXY() {
     if(window.scrollMaxX && window.scrollMaxY){
       return {x:window.scrollMaxX, y:window.scrollMaxY};
     }
     var documentSize = getDocumentSize();
     var windowSize = getWindowSize();
     return {x:documentSize.width - windowSize.width, y:documentSize.height - windowSize.height};
   }
   
 }());

     /**
     * 削除アラート
     * 
     */
    function diag(msg){
    
        if (msg) {
            res = confirm(msg);
        } else {
            res = confirm('本当に削除してよろしいですか？');
        }
        if(res == true) {
            return true;
        }
        return false;
    }

    /**
     * サブミット
     * 
     */
    function submitForm() {
      
        var digit2 = document.getElementById('prdcode').value;

        if(digit2.length >= 2){
    
            document.forms['extract'].submit();
        }
        if(digit2.length == 0){
    
            document.forms['extract'].submit();
        }
    }
		
		function autoPOP(){
			
			var x = document.getElementsByTagName('a');
			for (var i=0;i<x.length;i++){
			
				if (x[i].getAttribute('className') == 'popup' || x[i].getAttribute('class') == 'popup'){
					x[i].onclick = function () {
						return winOpen(this.href)
					}
				x[i].title += '別ウィンドウで開きます';
				}
			}
		};
		
		function winOpen(url) {
			window.open(
			url,
			'popup',
			'width=760,height=760,scrollbars=1,resizable=1'
			);
			return false;
		};
		
		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_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_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 changeFontSize(size){

        var fontSize = size;

        $.cookie('font', fontSize,{ expires :7});
        document.getElementById('body').className = fontSize;
        //alert('フォントサイズは' + fontSize + 'ですa');
    }