jQuery.fn.labelOver = function(overClass) {
	return this.each(function() {
		var label = jQuery(this);
		var f = label.attr('for');
		if (f) {
			var input = jQuery('#' + f);

			this.hide = function() {
				label.css({ textIndent: -10000 })
			}

			this.show = function() {
				if (input.val() == '') label.css({ textIndent: 0 })
			}

			// handlers
			input.focus(this.hide);
			input.blur(this.show);
			label.addClass(overClass).click(function() { input.focus() });

			if (input.val() != '') this.hide();
		}
	})
}