function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

function menu(obj)
{
  for(var i=0;i<=8;i++)
  {  
		$('bar_menu_'+i).style.display="none";
  		if(i==0)
  			var class_name = "tit";
  		if(i>8)
  			var class_name = "tit";
  		if(i>0 && i<8) var class_name = "tit";
  		$('menu_'+i).className=class_name;          
  }
  if(obj>8) obj=0;
	 $('bar_menu_'+obj).style.display="";

  		if(obj==0)
  			var class_name = "tit";
  		if(obj>8)
  			var class_name = "tit";
  		if(obj>0 && obj<8) var class_name = "tit";
   $('menu_'+obj).className=class_name;
	 
 }


 function IframeAutoHeight(obj){
  var bobo=document.getElementById(obj); //iframe id
  if (document.getElementById){
   if (bobo && !window.opera){
    if (bobo.contentDocument && bobo.contentDocument.body.offsetHeight){
     bobo.height = bobo.contentDocument.body.offsetHeight;
    }else if(bobo.Document && bobo.Document.body.scrollHeight){
     bobo.height = bobo.Document.body.scrollHeight;
    }
   }
  }
 }