(function($){
	  //feature detection
	  var hasPlaceholder = 'placeholder' in document.createElement('input');

	  //sniffy sniff sniff -- just to give extra left padding for the older
	  //graphics for type=email and type=url
	  var isOldOpera = $.browser.opera && $.browser.version < 10.5;

	  $.fn.placeholder = function(options) {
	    //merge in passed in options, if any
	    var options = $.extend({}, $.fn.placeholder.defaults, options),
	    //cache the original 'left' value, for use by Opera later
	    o_left = options.placeholderCSS.left;

	    //first test for native placeholder support before continuing
	    //feature detection inspired by ye olde jquery 1.4 hawtness, with paul irish
	    return (hasPlaceholder) ? this : this.each(function() {
	   //TODO: if this element already has a placeholder, exit

	      //local vars
	      var $this = $(this),
	          inputVal = $.trim($this.val()),
	          inputWidth = $this.width(),
	          inputHeight = $this.height(),

	          //grab the inputs id for the <label @for>, or make a new one from the Date
	          inputId = (this.id) ? this.id : 'placeholder' + (+new Date()),
	          placeholderText = $this.attr('placeholder'),
	          placeholder = $('<label for='+ inputId +'>'+ placeholderText + '</label>');

	          //stuff in some calculated values into the placeholderCSS object
	          options.placeholderCSS['width'] = inputWidth;
	          options.placeholderCSS['height'] = inputHeight;

	          // adjust position of placeholder
	          options.placeholderCSS.left = (isOldOpera && (this.type == 'email' || this.type == 'url')) ?
	            '11%' : o_left;
	          placeholder.css(options.placeholderCSS);

	      //place the placeholder
	      $this.wrap(options.inputWrapper);
	      $this.attr('id', inputId).after(placeholder);

	      //if the input isn't empty
	      if (inputVal){
	        placeholder.hide();
	      };

	      //hide placeholder on focus
	      $this.focus(function(){
	        if (!$.trim($this.val())){
	          placeholder.hide();
	        };
	      });

	      //show placeholder if the input is empty
	      $this.blur(function(){
	        if (!$.trim($this.val())){
	          placeholder.show();
	        };
	      });
	    });
	  };

	  //expose defaults
	  $.fn.placeholder.defaults = {
	    //you can pass in a custom wrapper
	    inputWrapper: '<span style="position:relative"></span>',

	    //more or less just emulating what webkit does here
	    //tweak to your hearts content
	    placeholderCSS: {
	      'font':'12px sans-serif',
	      'color':'#bababa',
	      'position': 'absolute',
	      'left':'5px',
	      'overflow': 'hidden',
	      'top': '-10px'
	    }
	  };
	})(jQuery);