function inputPlaceholder(inputId, placeholder) {
	var elem = $('#'+inputId);
	elem.addClass('input-inactive');
	elem.val(placeholder);
	elem.focus(function() {
		if(elem.val() == placeholder) {
			elem.val('');
			elem.removeClass('input-inactive');
		}
	});
	elem.blur(function() {
		if(elem.val() == placeholder || elem.val() == '') {
			elem.addClass('input-inactive');
			elem.val(placeholder);
		}
	});
}