// イメージのスワップ
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 == 'over') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_over'+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('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;//-->



//プルダウンメニュー
var openedMenu = null;
var submenuTimer;

function menuOvr(id){
  if (openedMenu && openedMenu != id){
    CloseMenu(id);
  }
  OpenMenu(id);
}

function OpenMenu(id){ 
  if ( document.getElementById ){
    document.getElementById( id ).style.visibility = 'visible';
  }else if ( document.all ){
    document.all( id ).style.visibility = 'visible';
  }else if ( document.layers ){
    document.layers[ id ].visibility = 'show';
  }
  clearTimeout(submenuTimer);
  openedMenu = id;
}

function CloseMenu(){ 
  if ( document.getElementById ){
    document.getElementById( openedMenu ).style.visibility = 'hidden';
  }else if ( document.all ){
    document.all( openedMenu ).style.visibility = 'hidden';
  }else if ( document.layers ){
    document.layers[ openedMenu ].visibility = 'hide';
  }
  openedMenu = null;
}
//-->

//プルダウンメニュー：イメージのスワップ
function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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


function showHideLayers() { //v9.0
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(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 showHideLayers2() { //v9.0
  var i,p,v,obj,args=showHideLayers2.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
obj.display=v; }
}
//-->


//iframe
function GetHeight(ID,NAME)
{
if (document.height) 
{
document.getElementById(ID).style.height = parent.frames[NAME].document.height +"px" ;
}
else
{
document.getElementById(ID).style.height = parent.frames[NAME].document.body.scrollHeight +"px";
}
}