function checknull()
{
  if ( document.reply.name.value == '' )
  {
    alert( 'À̸§À» ÀÔ·ÂÇϼ¼¿ä^^' );
    document.reply.name.focus();
    return false;
  }
  if ( document.reply.password.value == '' )
  {
    alert( 'ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä^^ ' );
    document.reply.password.focus();
    return false;
  }                                        
  if ( document.reply.comment.value == '' )
  {
    alert( '´ä±ÛÀ» ÀÔ·ÂÇϼ¼¿ä^^ ' );
    document.reply.comment.focus();
    return false;
  }
return true;
}                   
function totopbottom() {
        if (document.body.scrollTop == 0) {
                window.scrollTo(0,document.body.scrollHeight);
        } else {
                window.scrollTo(0,0);
        }
}
function topbottom() {
        document.body.ondblclick = totopbottom;
}  

function newWindowOpen(theURL,winName,features) { //v2.0
 window.open(theURL,winName,features);
}