// JavaScript Document
/**
 * ページトップへ戻る関数
 */
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}
/**
 * ロールオーバー関数
 */
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}


window.onload = initRollovers;

/**
 * ウィンドウを開く
 */
function openWin(){
	window.open(window.location.href,"printWindow");
}


function subwin(){

	window.close(); // サブウィンドウを閉じる

}

/**
 * リンクのプルダウン
 */
function commonLink(callValue) {
  if(callValue == "nop") {return true;}
  if(callValue.substring(0,7) != 'http://') {
    callValue = "http://nissin.jp/" + callValue;
  }
if(confirm == false) {return true;}
window.open(callValue,'Relation','toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes');
return false;
}

/**
 * 画像サイズと合ったポップアップウィンドウを開く関数
 * @param src string ポップアップ表示する画像
 */
function openImageSizedWindow(src){
    var i = new Image(); 
    i.onload = function() {
        var pop_win = window.open(
                          "",
                          "_blank",
                          "width="+i.width+",height="+i.height+",scrollbars=no,resizable=yes"
                      );
        if ( pop_win ) {
            pop_win.window.document.open();
            pop_win.window.document.write(
             '<html>'
            +'<head><title>'+i.alt+'</title></head>'
            +'<body style="margin:0;padding:0;border:0;">'
            +'<img src="'+i.src+'" width="100%" alt="" />'
            +'</body>'
            +'</html>'
            );
            pop_win.window.document.close();
        } else {
            location.href = i.src;
        }
        i.onload = function(){};
    }
    i.src = src;
}

/**
 * 画像切替
 * 2010/7/16 add v8
 */
function showImg(imgUrl){
    //document.imageM.src = imgUrl;
    var elem = document.getElementById('imageM');
    elem.src = imgUrl;

}

/**
 * チェック項目を複数ウィンドウをオープンして表示する
 * 2010/7/26 add v8
 * @notice  require prototype.js
 */
function chkboxIsChechedOpenWindow(baseurl){
   var elements = Form.getInputs('fChkList', 'checkbox');
   if(elements == ""){
       return false;
   }
   var jumpurl = "";
   var moveX=0,moveY=0;
   var windowName = "target_";
   var detwin;
   elements.each(
        function(val,idx) {
            if(val.checked){
                jumpurl = baseurl + String(val.value) + ".html#detail";
                windowName = windowName + String(idx);
                detwin = window.open(jumpurl, windowName,"width=750,height=750,toolbar=0,menubar=0,status=0,scrollbars=yes,resizable=yes");
                detwin.moveBy(moveX, moveY);
                moveX += 30;moveY += 30;
                detwin = null;
            }
        }
    );
    return false;
}

/**
 * ソート条件をフォームにセットしてサブミットする
 */
function sortSubmit(selectObj){
    if(!selectObj){
        return false;
    }
    var sortVal = selectObj.value;
    var targetForm = $("sortType");
    if("min" == sortVal){
        targetForm.value = "min";
    }else if("max" == sortVal){
        targetForm.value = "max";
    }else{
        return false;
    }

    var formobj = document.forms["srcForm"];
    formobj.submit();
    return false;
}
