function SubMenu (submenu,mainmenu){
	submenu.style.visibility="visible";
	mainmenu.style.color = 'red';
	mainmenu.style.background = 'white';
	if (mainmenu == NowMenu) {
	} else {
		NowMenu.style.color = 'yellow';
		NowMenu.style.background = '#5544ff';
//		NowMenu.style.color = 'white';
	}
}

function nonSubMenu (submenu,mainmenu){
	submenu.style.visibility="hidden";
	mainmenu.style.color = 'white';
	mainmenu.style.background = '#5544ff';
	NowMenu.style.color = 'yellow';
	NowMenu.style.background = '#5544ff';
//	NowMenu.style.color = 'red';
//	NowMenu.style.background = 'white';
}

function pop(popbox,msg){
	x = event.clientX+document.body.scrollLeft;				//左からの位置
	y = event.clientY+document.body.scrollTop+20;				//上からの位置
	popbox.style.left = x;
	popbox.style.top = y;
	popbox.style.visibility = "visible";
	popbox.innerHTML = msg;
}

function nonPop(popbox){
	popbox.style.visibility = "hidden";
}

function chg_jpg(doc,cjpg){
    doc.src = cjpg;
}

function chg_color(doc,doccolor){
	doc.style.color = doccolor;
}