Handling placeholders in IE

jquery.placeholder.js

(function($) {
	$.placeholder = function() {
		if(typeof document.createElement('input').placeholder == 'undefined') {
			$('[placeholder]').focus(function() {
				var input = $(this);
				if(input.val() == input.attr('placeholder')) {
					input.val('').removeClass('placeholder');
				}
			}).blur(function() {
				var input = $(this);
				if(input.val() == '' || input.val() == input.attr('placeholder')) {
					input.addClass('placeholder').val(input.attr('placeholder'));
				}
			}).blur().parents('form').submit(function() {
				$(this).find('[placeholder]').each(function(index, element) {
					var input = $(element);
					if(input.val() == input.attr('placeholder')) {
						input.val('');
					}
				});
			});
		}
	}
})(jQuery);

Written to work with jQuery 1.2.6 in Drupal 6.x