function gid(id) {
  return document.getElementById?document.getElementById(id):null;
}
function gname(name) {
  return document.getElementsByTagName?document.getElementsByTagName(name):new Array()
}
function SetObjContent(objID,content){
 gid(objID).innerHTML=content;
}
function GetObjContent(objID){
 return gid(objID).innerHTML;
}
function ClearObjContent(objID){
SetObjContent(objID,"");
}
function SetObjStyleName(objID,sname)
{
    gid(objID).className=sname;
}
function HideObj(objID)
{
    gid(objID).style.display="none";
}
function ShowObj(objID)
{
    gid(objID).style.display="block";
}
function ShowHideObj(objID)
{
    if(gid(objID).style.display=="none")
    {
        gid(objID).style.display="block";
    }
    else
    {
        gid(objID).style.display="none";
    }
}
function enterkey(m) { if( event.keyCode == 13) {eval(m);} }
//»ñµÃä¯ÀÀÆ÷ÀàÐÍ
function Browser() {
  var ua, s;
  this.isIE = false;
  this.isNS = false;
  this.isOP = false;
  this.isSF = false;
  this.isFF = false;
  ua = navigator.userAgent.toLowerCase();
  s = "opera";
  this.isOP = ua.indexOf(s)!=-1; 
  s = "msie";
  this.isIE = ua.indexOf(s)!=-1; 
  s = "netscape";
  this.isNS= ua.indexOf(s)!=-1; 
  s = "gecko";
  this.isNS = ua.indexOf(s)!=-1; 
  s = "safari";
  this.isSF = ua.indexOf(s)!=-1; 
  s="firefox"
  this.isFF=ua.indexOf(s)!=-1; 
}