//--- License ---
//  Author: André Luiz Costa
//  E-mail: mr.andrecosta@gmail.com
//  Site: http://dreamsmithy.deviantart.com
//  Date(IS0 8601): 2006-11-30
//  Some rights reserved. This work is licensed under a
//  Creative Commons Attribution-Noncommercial-Share Alike 2.5 License.
//     http://creativecommons.org/licenses/by-nc-sa/2.5/
//---------------


function submenus(id) {
var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('submenu_'+i)) { document.getElementById('submenu_'+i).style.display='none';}
		}
	if(id!= null){
		var arrayOfCombos = document.getElementsByTagName("select");
		var iCount = arrayOfCombos.length;
		for(s=0;s<iCount;s++){
			arrayOfCombos[s].style.visibility = 'hidden';
			}
		}
	else {
		var arrayOfCombos = document.getElementsByTagName("select");
		var iCount = arrayOfCombos.length;
		for(s=0;s<iCount;s++){
			arrayOfCombos[s].style.visibility = 'visible';
			}
		}
if (d) {d.style.display='block';}
}