Watermark fields

watermark.js

(function($){
    $.fn.watermark = function(){
        return this.each(function(){
            var $this = $(this),
                tag = this.nodeName.toLowerCase(),
                txt;
            if(tag == "input" || tag == "textarea"){
                txt = $this.val();
                $this.bind("focus.watermark", function(){
                    if($this.val() == txt){ $this.val(""); }
                })
	            .bind("blur.watermark", function(){
                    if($this.val() == ""){ $this.val(txt); }
                });
           }
        });
   }
})(jQuery);