function treeMenu(tName,iName,iSrc1,iSrc2)
{
	if (!document.all) tMenu = 
	document.getElementById(tName).style;
	if (document.all) tMenu = document.all(tName).style;
	if (tMenu.display == 'none')
	{
		tMenu.display = "block";
		document.images[iName].src = iSrc2;
	}else{
		tMenu.display = "none";
		document.images[iName].src = iSrc1;
	}
}


//　画像入れ替え処理
function swapImage(iObj,iSrc)
{	iObj.src = iSrc;
}
// JavaScript Document