var menu_status = new Array();
function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);
        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}
function downRight(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);
        if(menu_status[theid] != 'arrow_down') {
           switch_id.className = 'arrow_down';
           menu_status[theid] = 'arrow_down';
        }else{
           switch_id.className = 'arrow_right';
           menu_status[theid] = 'arrow_right';
        }
    }
}

function hide(idx){
if (document.getElementById && document.getElementById(idx))
	{
	obj = document.getElementById(idx);
    obj.style.display = "none";
  	}
};