// this function closes each previously clicked submenu 

menu_status = new Array();

var last_expanded = '';

function showHide(id)
{
var obj = document.getElementById(id);

var status = obj.className;

if (status == 'hide') {

if (last_expanded != '') {
var last_obj = document.getElementById(last_expanded);
last_obj.className = 'hide';
}

obj.className = 'show';

last_expanded = id;
} else {
obj.className = 'hide';
}
}

// this function leaves each clicked submenu open 

// 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';
//        }
//    }
//}