//サブメニューの非表示
function hiddenMenu()
{
	var menucnt = 6;
	menuName = new Array("submenu1","submenu2","submenu3","submenu4","submenu5","submenu6","submenu7");

	for (i=0;i<=menucnt;i++){
		document.getElementById(menuName[i]).style.visibility="hidden";
	}
}

//サブメニューの表示
function visibleMenu(submenu,event)
{
	var x;
	var offset;

	hiddenMenu();

	if(document.all){	//for IE
		x = event.srcElement.offsetLeft;
		offset = event.srcElement.offsetParent;
	}else{	//for Firefox
		x = event.target.offsetLeft;
		offset = event.target.offsetParent;
	}
	while (offset){
		if(offset.offsetLeft)
			x += offset.offsetLeft
		offset = offset.offsetParent
	}
	x += 0;
	document.getElementById(submenu).style.left = x + "px";
	document.getElementById(submenu).style.visibility="visible";
	document.getElementById(submenu).style.zIndex=99;
}

//URLの指定
function jsList(url){
	location.href = url;
	return;
}