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

function closeWin() { 
    if ( document.notice_form.chkbox.checked ){ 
        setCookie( "main_pop", "done" , 1 );
    } 
	window.close();
}

cookiedata = document.cookie; 

function openwin(){
	/*
	if ( cookiedata.indexOf("main_pop=done") < 0 ){ 
		window.open("/ysm/pop_up.html","pop_up",'toolbar=no,location=no,directories=no,menubar=no,scrollbars=yes,resizable=no,width=430,height=470');
	}
	*/
}