function genderchange(divId)
	{
		if(divId==null||divId=='') {
			divId=document.getElementById('aUser[gender]').value;
		}
		if(divId == '330') {
			hide('bday1');
			show('bday2');
		}else{
			show('bday1');
			hide('bday2');
		}
	}
	var state = 'none';

	function show(layer_ref) 
	{
		if (state == 'none') {
		state = 'block';
		}
		if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
		}
		if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
		}
		if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
		}
	}
	function hide(layer_ref) 
	{
		if (state == 'block') {
		state = 'none';
		} 
		if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
		}
		if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
		}
		if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
		}
	}