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

	if(obj.style.display == "none") {
	obj.style.display = "block";
	}
    else {
	obj.style.display = "none";
	}
}
function SwitchBlock_members(id)
{
    var obj;
	var parobj;
	
    obj = document.getElementById(id);
    parobj = document.getElementById('a' + id.substr(1));

	if(obj.style.display == "none") {
	obj.style.display = "block";
	obj.children(0).style.backgroundColor='#efefef';
	parobj.children(0).style.backgroundColor='#efefef';
	}
    else {
	obj.style.display = "none";
	obj.children(0).style.backgroundColor='#ffffff';
	parobj.children(0).style.backgroundColor='#ffffff';
	}
}