function viewGnb(){
	if(document.getElementById("gnb-cnt").style.display != "block"){
		document.getElementById("gnb-cnt").style.display = "block";
		document.getElementById("login-gnb").style.zIndex= 30010 ;
	}
}

function hideGnb(){
	document.getElementById("gnb-cnt").style.display = "none";
	document.getElementById("login-gnb").style.zIndex= 0 ;
}

function viewFlashgame(){
	if(document.getElementById("flashgame-cnt").style.display != "block"){
		document.getElementById("flashgame-cnt").style.display = "block";
		document.getElementById("medalgame").style.zIndex= 30010 ;
	}
}

function hideFlashgame(){
	document.getElementById("flashgame-cnt").style.display = "none";
	document.getElementById("medalgame").style.zIndex= 0 ;
}

//add bookmark
function addBookmark(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
        window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
        return true;
    }
}