function notice_getCookie( name ){
	var nameOfCookie = name + "=";
	var x = 0;
	while ( x <= document.cookie.length ){
		var y = (x+nameOfCookie.length);
        if ( document.cookie.substring( x, y ) == nameOfCookie ) {
        	if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
            	endOfCookie = document.cookie.length;
            return unescape( document.cookie.substring( y, endOfCookie ) );
        }
        x = document.cookie.indexOf( " ", x ) + 1;
        if ( x == 0 )
            break;
    }
    return "";
}

function notice_setCookie( name, value, expiredays ){ 
	var todayDate = new Date(); 
	todayDate.setDate( todayDate.getDate() + expiredays ); 
	document.cookie = name + '=' + escape( value ) + '; path=/; expires=' + todayDate.toGMTString() + ';' ;
}

function hideMe(layer){ 
	document.getElementById(layer).style.visibility="hidden";
} 

function showMe(){ 
	document.getElementById(layer).style.visibility="visible";
} 

function checkToViewLayerPopup(layer_name,key_cookie) { 
	if(notice_getCookie(key_cookie) == "done" ) { 
		hideMe(layer_name); 
	} 
}