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

function closeWin() { 
    if ( document.notice_form.chkbox.checked ){ 
        setCookie( "Gnb_cookie", "done" , 6 ); 
    } 
    TopBanner.style.display="none"
}

document.write(" \
<style type=text/css> \
#TopBanner { margin:0 auto; text-align:left; width:100%; display:block; } \
#Gnb_banner { position:relative; padding:15px 0px 0px 0px; width:970; text-align:center; } \
#Gnb_close { position: absolute; z-index: 9999; right:50px; top:87px; margin:0px 0px 0px 0px; padding:0px 0px 0px 0px; text-align:right; } \
</style> \
");


document.write ("<div id='TopBanner' align='left'><table width='100%' border='0' cellpadding='0' cellspacing='0' bgcolor='#dadada'><tr><td>&nbsp;</td><td width='970' align='left'>"); 


var GnbAd = CatID.substring(0, 1);
if ( GnbAd==1 ) { 
document.write ("<div id='Gnb_banner'><IFRAME WIDTH=728 height=90 NORESIZE SCROLLING=No FRAMEBORDER=0 MARGINHEIGHT=0 MARGINWIDTH=0 SRC=http://cad.chosun.com/RealMedia/ads/adstream_sx.ads/www.chosun.com/s_news@Top1></IFRAME><div id='Gnb_close' class='basic_11'><form name='notice_form'><a href='javascript:closeWin();'><img src='http://image.chosun.com/cs/200710/images/close.gif' align=absmiddle border=0></a><input type='checkbox' name='chkbox' value='checkbox' onclick='javascript:closeWin();' checked style='visibility:hidden'></form></div> </div>"); 
} 
else if ( GnbAd==2 ) { 
document.write ("<div id='Gnb_banner'><IFRAME WIDTH=728 height=90 NORESIZE SCROLLING=No FRAMEBORDER=0 MARGINHEIGHT=0 MARGINWIDTH=0 SRC=http://cad.chosun.com/RealMedia/ads/adstream_sx.ads/www.chosun.com/ent_news@Top1></IFRAME><div id='Gnb_close' class='basic_11'><form name='notice_form'><a href='javascript:closeWin();'><img src='http://image.chosun.com/cs/200710/images/close.gif' align=absmiddle border=0></a><input type='checkbox' name='chkbox' value='checkbox' onclick='javascript:closeWin();' checked style='visibility:hidden'></form></div> </div>"); 
}
else { 
document.write ("<div id='Gnb_banner'><IFRAME WIDTH=728 height=90 NORESIZE SCROLLING=No FRAMEBORDER=0 MARGINHEIGHT=0 MARGINWIDTH=0 SRC=http://cad.chosun.com/RealMedia/ads/adstream_sx.ads/www.chosun.com/spn_news@Top1></IFRAME><div id='Gnb_close' class='basic_11'><form name='notice_form'><a href='javascript:closeWin();'><img src='http://image.chosun.com/cs/200710/images/close.gif' align=absmiddle border=0></a><input type='checkbox' name='chkbox' value='checkbox' onclick='javascript:closeWin();' checked style='visibility:hidden'></form></div> </div>"); 
} 



document.write ("</td><td>&nbsp;</td></tr></table></div>"); 



cookiedata = document.cookie;    
if ( cookiedata.indexOf("Gnb_cookie=done") < 0 ){      
    TopBanner.style.display="block"
    } 
    else {
    TopBanner.style.display="none"
}