function toggleSubs(submenu1, submenu2) {
    if (document.getElementById(submenu1).style.display == 'none') {
        document.getElementById(submenu1).style.display = 'block'
				document.getElementById(submenu2).style.display = 'block'
    } else {
        document.getElementById(submenu1).style.display = 'none'
				document.getElementById(submenu2).style.display = 'none'
    }
}

function toggleAllSubs(items) {
	
	for (x in items) {
	    if (document.getElementById(items[x]).style.display == 'none') {
	        document.getElementById(items[x]).style.display = 'block'
	    } else {
	        document.getElementById(items[x]).style.display = 'none'	
	    }	
	}
}