function om(mid){
	for(i=1;i<=7;i++){
		$("m" + i).className = "unlan";
		$("sm" + i).style.display = "none";
	}
	$("m" + mid).className="lan";
	$("sm" + mid).style.display = "block";
	mid = mid - 1;
	if(mid>0){
		$("m" + mid).className="blan";
	}
}

function SetCookie(mid){
	var sName = "CurrMenu";
	var sValue = mid
	var nDays = 1;
	var d = new Date();
	d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 );
	expires = "; expires=" + d.toGMTString();
	document.cookie = sName + "=" + sValue + expires + "; path=/";
}

function GetCookie(sName){
	var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" );
	var res = re.exec( document.cookie );
	return res != null ? res[3] : null;
}