function setCookie( name, value, expiredays ){ 
        var todayDate = new Date(); 
        todayDate.setDate( todayDate.getDate() + expiredays ); 
        document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
    }
	
	function 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 popup_close( popup_name ){
		setCookie(popup_name, 'done' , 1);
	}