// JavaScript Document
function do_expand(name) {
	document.getElementById(name).style.display = "block"; 
}

function do_collapse(name) { 
	document.getElementById(name).style.display = "none"; 
}

function do_switch(name) {
	if (document.getElementById(name).style.display != "block") { 
		do_expand(name);
	} else {
		do_collapse(name);
	}
}