팝업 풀사이즈

function fullwin(targeturl){
 //window.open(targeturl,"","fullscreen,scrollbars")
    var winX = screen.availWidth;
    var winY = screen.availHeight;
    if(winX == '800') {
     winX = winX - winX/95;
     winY = winY - winY/18; //10
    } else {
     winX = winX - winX/100;
     winY = winY - winY/22; //12.5
    }
 remote = window.open("","_blank","status=no,resizable=yes,channelmode=0,directories=0,location=no,address=no,menubar=no,toolbar=no,scrollbars=yes,width="+winX+",height="+winY+",top=0,left=0");
 remote.opener = self;
 if (remote != null)
 {
  if (remote.opener == null) { remote.opener = self; }
  remote.location.href=targeturl;
  remote.focus();
 }
}

간단한 건 밑에꺼 그러나 가끔이상하다는 거 ㅠ ㅠ
window.open(this.href,'full', 'channelmode=yes,fullscreen,scrollbars');