function inject_infield(){
	$('input, textarea')
		.filter('[inplace]')
			.focus(inplace_onfocus)
		.end()
		.filter('[infield]')
			.focus(infield_onfocus)
	;
}
function inplace_onfocus(){
	var inp = $(this).attr('inplace')
	if (inp && (inp == $(this).val())){
		$(this).val('');
	}
}

function infield_onfocus(){
	var inf = $(this).attr('infield');
	if (inf) {
		var pass = $('#'+inf)
		$(this).addClass('hidden');
		pass.removeClass('hidden').focus();
	}
}

$(inject_infield);