var lastLetter;
function toggleAddress (letter) {
	//console.log(letter);
	if(lastLetter)
		lastLetter.removeClass('show');
	else
		$$('.mod_memberlist ul').each(function(el){ el.addClass('hide')} );
	lastLetter = $(letter);
	lastLetter.addClass('show');
	/*
	$$('div.mod_memberlist div.letter').each(function(el){
		
	}*/
return false;
}