/**
 * 
 */
function toggle_submenu(branch)
{
	var objBranch	= document.getElementById(branch).style;
	if (objBranch.display == "block") {
		objBranch.display = "none";
	} else {
		objBranch.display = "block";
	}
}

function hide_submenu(branch)
{
    var objBranch = document.getElementById(branch).style;
    objBranch.display = "none";   
}