function rndmIdxTtlBkg () {
	document.getElementById("idxttlarea").style.backgroundPosition="-"+(((Math.floor(Math.floor((5-1)+1)*Math.random()+1))*960)-960)+"px 0px";
}
function chIdxMenu (name) {
	var idxmenu	= document.getElementById("idxmenu");
	if (idxmenu) {
		switch (name) {
			case "card":	idxmenu.style.backgroundPosition = "-2475px 0px"; break;
			case "press":	idxmenu.style.backgroundPosition = "-1980px 0px"; break;
			case "blog":	idxmenu.style.backgroundPosition = "-1485px 0px"; break;
			case "shop":	idxmenu.style.backgroundPosition = "-990px 0px"; break;
			case "recommend":	idxmenu.style.backgroundPosition = "-495px 0px"; break;
			default:	idxmenu.style.backgroundPosition = "0px 0px"; break;
		}
	}
}

function blankWin (url) {
	if (url != "") {
		window.open(url);
	}
	return false;
}