function open_hide_obj(idname){
	if( document.getElementById(idname).style.display == 'none'){
		document.getElementById(idname).style.display='block';
		return true;
	}else{
		document.getElementById(idname).style.display='none';
		return false;
	}
}

function chg_innerHTML(idmn, str){
	var temp;

	temp = document.getElementById(idmn);
	
	if( temp != null){
		temp.innerHTML = str;
	}
}

function post_form_openhide(){
	var flg = open_hide_obj('post_form');
	if( flg ){
		chg_innerHTML('opener_text', '�ª �V‹K“Š�e—“‚ð•Â‚¶‚é �ª');
	}else{
		chg_innerHTML('opener_text', '�« �V‹K“Š�e—“‚ðŠJ‚­ �«');
	}
}

function setClickStrToTurnOnChkBox(clcstrid, chkbox_nm){
	var clcstr = document.getElementById(clcstrid);
	
	clcstr.href = "javascript:void(0)";
	
	AddEvent(clcstrid, 'onclick', chgChkBox, chkbox_nm); 
}

function chgChkBox(chkbox_nm){
	var chkbox = document.getElementById(chkbox_nm);
	chkbox.checked = !chkbox.checked;
}

function AddEvent() {
  if(arguments.length<3) return;
  var args=new Array();
  for(var i=0;i<arguments.length;i++){
    args.push(arguments[i]);
  }
  var en = args.shift();
  var ev = args.shift();
  var func =args.shift();
  var el=document.getElementById(en);
  if(!el) return;
  for(var i=0;i<args.length;i++){
    if(args[i]==='this'){
      args[i]=el;
    }
  }
  ev=ev.replace(/^on/i,'');
  ev=ev.toLowerCase();
  if(!!el.addEventListener){
    el.addEventListener(ev, function(){func.apply(this,args)},false);
  }else if(!!el.attachEvent){
    el.attachEvent('on'+ev, function(){func.apply(this,args)});
  }else{
//  ”ñDOMƒuƒ‰ƒEƒU‚Í–¢‘Ήž
  }
}