// JavaScript Document

function change_display2(_id){
  if ( document.getElementById ) {
    var obj = document.getElementById(_id);
    if( obj.style.display!="none" ){obj.style.display = "none";}else{obj.style.display = "block";}
  }else if(document.all){
    var obj = document.all(_id);
    if( obj.style.display!="none" ){obj.style.display = "none";}else{obj.style.display = "block";}
  }
}

function change_display0(metas){

	targets = metas.split(',');

	for(i = 1; i < targets.length; i++){

		_id = targets[i];
		if ( document.getElementById ) {

			var obj = document.getElementById(_id);
			obj.style.display = "none";

			}else if(document.all){

			var obj = document.all(_id);
			obj.style.display = "none";

		}
	}
}