// JavaScript Document

/* -----------------------------------------------------------
	01 PageTop scroll = scrollsmoothly.js
	02 RollOver
	03 Current
	04 popup window
	05 dropdown
----------------------------------------------------------- */

/* -----------------------------------------------------------
 =02 RollOver
	ex. body onload="initRollovers();"
----------------------------------------------------------- */

/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

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);
			}
		}
	}
}



/* -----------------------------------------------------------
 =03 Current  imgはcurrent_gnavi_01.js
----------------------------------------------------------- */

/*ChangeImageNum*/
	function imgChangeNum(nam,num) {
		if(document.images && (checkObj != 1)) {
			document[nam].src = arrowSecond[num].src;
		}
	}

	/*ChangeImage*/
	imgId = "";
	stayId = "";
	function imgChange(imgName,imgState) {
		if(document.images) {
			stringId0 = imgName.substring(0,4);
			stringId = imgName
			if(((stringId0 == "navi") || (stringId0 == "navs")) && (stringId == imgId)){
				document[imgName].src = eval(imgName + "stay" + ".src");
			} else {
				document[imgName].src = eval(imgName + imgState + ".src");
			}
		}
	}

	function stayMenu(stayId){
		imgChange(stayId,"stay");
		imgId = stayId;
	}


/*  03-01 Navi curent
ex. body onload="curentImg_01();"
----------------------------------------------------------- */

function curentImg_01(){
	gnavi_01off.src = gnavi_01stay.src
	stayMenu('gnavi_01');
 	}

function curentImg_02(){
	gnavi_02off.src = gnavi_02stay.src
	stayMenu('gnavi_02');
 	}

function curentImg_03(){
	gnavi_03off.src = gnavi_03stay.src
	stayMenu('gnavi_03');
 	}

function curentImg_04(){
	gnavi_04off.src = gnavi_04stay.src
	stayMenu('gnavi_04');
 	}

function curentImg_05(){
	gnavi_05off.src = gnavi_05stay.src
	stayMenu('gnavi_05');
 	}
	
function curentImg_06(){
	gnavi_06off.src = gnavi_06stay.src
	stayMenu('gnavi_06');
 	}

function curentImg_07(){
	gnavi_07off.src = gnavi_07stay.src
	stayMenu('gnavi_07');
 	}

function curentImg_08(){
	gnavi_08off.src = gnavi_08stay.src
	stayMenu('gnavi_08');
 	}


/* -----------------------------------------------------------
 =04 popup window  位置指定有 スクロール有 os,ブラウザ別windowサイズ補正　位置中央
	ex. onClick="openwin4(this.href,'name',700,950);return document.MM_returnValue"
----------------------------------------------------------- */

function openwin4(file,name,h,w) {//位置指定_センター
	
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2
 	//h=screen.height

	
	mac = (navigator.appVersion.indexOf("Mac") != -1) ?true:false;
	ie = (navigator.appName.charAt(0) == "M") ?true:false;
	nn = (navigator.appName.charAt(0) == "N") ?true:false;
	
	if (mac){
		if (ie){
		// mac IE
		w+=1;
		h-=0;
		}
		
		else{
		// mac NN etc.
		w+=16;
		h-=0;
		}
	}
	else{
		if (ie){
		// win IE
		w+=17;
		h-=0;
		}
		else{
		// win NN etc.
		w+=16;
		h-=0;
		}
	}


newWin4= window.open(file,name,"height="+h+",width="+w+",top="+sh+",screenY="+sh+",left="+sw+",screenX="+sw+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1");
document.MM_returnValue = false;
newWin4.focus()
}



/* -----------------------------------------------------------
 =05 dropdown
----------------------------------------------------------- */

var DDSPEED = 5;
var DDTIMER = 5;

// main function to handle the mouse events //
function ddMenu(id,d){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearInterval(c.timer);
  if(d == 1){
    clearTimeout(h.timer);
    if(c.maxh && c.maxh <= c.offsetHeight){return}
    else if(!c.maxh){
      c.style.display = 'block';
      c.style.height = 'auto';
      c.maxh = c.offsetHeight;
      c.style.height = '0px';
    }
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }else{
    h.timer = setTimeout(function(){ddCollapse(c)},50);
  }
}

// collapse the menu //
function ddCollapse(c){
  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
}

// cancel the collapse if a user rolls over the dropdown //
function cancelHide(id){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearTimeout(h.timer);
  clearInterval(c.timer);
  if(c.offsetHeight < c.maxh){
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){
    dist = (Math.round((c.maxh - currh) / DDSPEED));
  }else{
    dist = (Math.round(currh / DDSPEED));
  }
  if(dist <= 1 && d == 1){
    dist = 1;
  }
  c.style.height = currh + (dist * d) + 'px';
  c.style.opacity = currh / c.maxh;
  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
    clearInterval(c.timer);
  }
}