// イメージボタン
var IBTN = false;
var imgbtnOn; imgbtnOn = new Array;
var imgbtnOff; imgbtnOff = new Array;

if(IE4 || NN6 || OP6 || NN4){ IBTN = true; }


function btnOver(sName, num){
	if (IBTN == true){
		document.images[sName + num].src = imgbtnOn[sName].src;
	}
}
function btnOut(sName, num){
	if (IBTN == true){
		document.images[sName + num].src = imgbtnOff[sName].src;
	}
}

function LoadImgBtn(sName, sPath, sOn, sOff, sEnd){
	imgbtnOn[sName] = new Array;
	imgbtnOff[sName] = new Array;
	imgbtnOn[sName] = new Image;
	imgbtnOff[sName] = new Image;
	imgbtnOn[sName].src = sPath + sOn + sEnd;
	imgbtnOff[sName].src = sPath + sOff + sEnd;
}

// レイヤー
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_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;
}

chMenu=0;
function openmenu(tName){
tMenu=(document.all)?document.all(tName).style:document.getElementById(tName).style;
if(chMenu)chMenu.display="none";
if(chMenu==tMenu){chMenu=0;
}
else{chMenu=tMenu;
tMenu.display="block";}
}